<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source to the Rust file `src/error.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>error.rs.html -- source</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><script src="../../storage.js"></script></head><body class="rustdoc source"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><pre class="line-numbers"><span id="1"> 1</span>
<span id="2"> 2</span>
<span id="3"> 3</span>
<span id="4"> 4</span>
<span id="5"> 5</span>
<span id="6"> 6</span>
<span id="7"> 7</span>
<span id="8"> 8</span>
<span id="9"> 9</span>
<span id="10"> 10</span>
<span id="11"> 11</span>
<span id="12"> 12</span>
<span id="13"> 13</span>
<span id="14"> 14</span>
<span id="15"> 15</span>
<span id="16"> 16</span>
<span id="17"> 17</span>
<span id="18"> 18</span>
<span id="19"> 19</span>
<span id="20"> 20</span>
<span id="21"> 21</span>
<span id="22"> 22</span>
<span id="23"> 23</span>
<span id="24"> 24</span>
<span id="25"> 25</span>
<span id="26"> 26</span>
<span id="27"> 27</span>
<span id="28"> 28</span>
<span id="29"> 29</span>
<span id="30"> 30</span>
<span id="31"> 31</span>
<span id="32"> 32</span>
<span id="33"> 33</span>
<span id="34"> 34</span>
<span id="35"> 35</span>
<span id="36"> 36</span>
<span id="37"> 37</span>
<span id="38"> 38</span>
<span id="39"> 39</span>
<span id="40"> 40</span>
<span id="41"> 41</span>
<span id="42"> 42</span>
<span id="43"> 43</span>
<span id="44"> 44</span>
<span id="45"> 45</span>
<span id="46"> 46</span>
<span id="47"> 47</span>
<span id="48"> 48</span>
<span id="49"> 49</span>
<span id="50"> 50</span>
<span id="51"> 51</span>
<span id="52"> 52</span>
<span id="53"> 53</span>
<span id="54"> 54</span>
<span id="55"> 55</span>
<span id="56"> 56</span>
<span id="57"> 57</span>
<span id="58"> 58</span>
<span id="59"> 59</span>
<span id="60"> 60</span>
<span id="61"> 61</span>
<span id="62"> 62</span>
<span id="63"> 63</span>
<span id="64"> 64</span>
<span id="65"> 65</span>
<span id="66"> 66</span>
<span id="67"> 67</span>
<span id="68"> 68</span>
<span id="69"> 69</span>
<span id="70"> 70</span>
<span id="71"> 71</span>
<span id="72"> 72</span>
<span id="73"> 73</span>
<span id="74"> 74</span>
<span id="75"> 75</span>
<span id="76"> 76</span>
<span id="77"> 77</span>
<span id="78"> 78</span>
<span id="79"> 79</span>
<span id="80"> 80</span>
<span id="81"> 81</span>
<span id="82"> 82</span>
<span id="83"> 83</span>
<span id="84"> 84</span>
<span id="85"> 85</span>
<span id="86"> 86</span>
<span id="87"> 87</span>
<span id="88"> 88</span>
<span id="89"> 89</span>
<span id="90"> 90</span>
<span id="91"> 91</span>
<span id="92"> 92</span>
<span id="93"> 93</span>
<span id="94"> 94</span>
<span id="95"> 95</span>
<span id="96"> 96</span>
<span id="97"> 97</span>
<span id="98"> 98</span>
<span id="99"> 99</span>
<span id="100"> 100</span>
<span id="101"> 101</span>
<span id="102"> 102</span>
<span id="103"> 103</span>
<span id="104"> 104</span>
<span id="105"> 105</span>
<span id="106"> 106</span>
<span id="107"> 107</span>
<span id="108"> 108</span>
<span id="109"> 109</span>
<span id="110"> 110</span>
<span id="111"> 111</span>
<span id="112"> 112</span>
<span id="113"> 113</span>
<span id="114"> 114</span>
<span id="115"> 115</span>
<span id="116"> 116</span>
<span id="117"> 117</span>
<span id="118"> 118</span>
<span id="119"> 119</span>
<span id="120"> 120</span>
<span id="121"> 121</span>
<span id="122"> 122</span>
<span id="123"> 123</span>
<span id="124"> 124</span>
<span id="125"> 125</span>
<span id="126"> 126</span>
<span id="127"> 127</span>
<span id="128"> 128</span>
<span id="129"> 129</span>
<span id="130"> 130</span>
<span id="131"> 131</span>
<span id="132"> 132</span>
<span id="133"> 133</span>
<span id="134"> 134</span>
<span id="135"> 135</span>
<span id="136"> 136</span>
<span id="137"> 137</span>
<span id="138"> 138</span>
<span id="139"> 139</span>
<span id="140"> 140</span>
<span id="141"> 141</span>
<span id="142"> 142</span>
<span id="143"> 143</span>
<span id="144"> 144</span>
<span id="145"> 145</span>
<span id="146"> 146</span>
<span id="147"> 147</span>
<span id="148"> 148</span>
<span id="149"> 149</span>
<span id="150"> 150</span>
<span id="151"> 151</span>
<span id="152"> 152</span>
<span id="153"> 153</span>
<span id="154"> 154</span>
<span id="155"> 155</span>
<span id="156"> 156</span>
<span id="157"> 157</span>
<span id="158"> 158</span>
<span id="159"> 159</span>
<span id="160"> 160</span>
<span id="161"> 161</span>
<span id="162"> 162</span>
<span id="163"> 163</span>
<span id="164"> 164</span>
<span id="165"> 165</span>
<span id="166"> 166</span>
<span id="167"> 167</span>
<span id="168"> 168</span>
<span id="169"> 169</span>
<span id="170"> 170</span>
<span id="171"> 171</span>
<span id="172"> 172</span>
<span id="173"> 173</span>
<span id="174"> 174</span>
<span id="175"> 175</span>
<span id="176"> 176</span>
<span id="177"> 177</span>
<span id="178"> 178</span>
<span id="179"> 179</span>
<span id="180"> 180</span>
<span id="181"> 181</span>
<span id="182"> 182</span>
<span id="183"> 183</span>
<span id="184"> 184</span>
<span id="185"> 185</span>
<span id="186"> 186</span>
<span id="187"> 187</span>
<span id="188"> 188</span>
<span id="189"> 189</span>
<span id="190"> 190</span>
<span id="191"> 191</span>
<span id="192"> 192</span>
<span id="193"> 193</span>
<span id="194"> 194</span>
<span id="195"> 195</span>
<span id="196"> 196</span>
<span id="197"> 197</span>
<span id="198"> 198</span>
<span id="199"> 199</span>
<span id="200"> 200</span>
<span id="201"> 201</span>
<span id="202"> 202</span>
<span id="203"> 203</span>
<span id="204"> 204</span>
<span id="205"> 205</span>
<span id="206"> 206</span>
<span id="207"> 207</span>
<span id="208"> 208</span>
<span id="209"> 209</span>
<span id="210"> 210</span>
<span id="211"> 211</span>
<span id="212"> 212</span>
<span id="213"> 213</span>
<span id="214"> 214</span>
<span id="215"> 215</span>
<span id="216"> 216</span>
<span id="217"> 217</span>
<span id="218"> 218</span>
<span id="219"> 219</span>
<span id="220"> 220</span>
<span id="221"> 221</span>
<span id="222"> 222</span>
<span id="223"> 223</span>
<span id="224"> 224</span>
<span id="225"> 225</span>
<span id="226"> 226</span>
<span id="227"> 227</span>
<span id="228"> 228</span>
<span id="229"> 229</span>
<span id="230"> 230</span>
<span id="231"> 231</span>
<span id="232"> 232</span>
<span id="233"> 233</span>
<span id="234"> 234</span>
<span id="235"> 235</span>
<span id="236"> 236</span>
<span id="237"> 237</span>
<span id="238"> 238</span>
<span id="239"> 239</span>
<span id="240"> 240</span>
<span id="241"> 241</span>
<span id="242"> 242</span>
<span id="243"> 243</span>
<span id="244"> 244</span>
<span id="245"> 245</span>
<span id="246"> 246</span>
<span id="247"> 247</span>
<span id="248"> 248</span>
<span id="249"> 249</span>
<span id="250"> 250</span>
<span id="251"> 251</span>
<span id="252"> 252</span>
<span id="253"> 253</span>
<span id="254"> 254</span>
<span id="255"> 255</span>
<span id="256"> 256</span>
<span id="257"> 257</span>
<span id="258"> 258</span>
<span id="259"> 259</span>
<span id="260"> 260</span>
<span id="261"> 261</span>
<span id="262"> 262</span>
<span id="263"> 263</span>
<span id="264"> 264</span>
<span id="265"> 265</span>
<span id="266"> 266</span>
<span id="267"> 267</span>
<span id="268"> 268</span>
<span id="269"> 269</span>
<span id="270"> 270</span>
<span id="271"> 271</span>
<span id="272"> 272</span>
<span id="273"> 273</span>
<span id="274"> 274</span>
<span id="275"> 275</span>
<span id="276"> 276</span>
<span id="277"> 277</span>
<span id="278"> 278</span>
<span id="279"> 279</span>
<span id="280"> 280</span>
<span id="281"> 281</span>
<span id="282"> 282</span>
<span id="283"> 283</span>
<span id="284"> 284</span>
<span id="285"> 285</span>
<span id="286"> 286</span>
<span id="287"> 287</span>
<span id="288"> 288</span>
<span id="289"> 289</span>
<span id="290"> 290</span>
<span id="291"> 291</span>
<span id="292"> 292</span>
<span id="293"> 293</span>
<span id="294"> 294</span>
<span id="295"> 295</span>
<span id="296"> 296</span>
<span id="297"> 297</span>
<span id="298"> 298</span>
<span id="299"> 299</span>
<span id="300"> 300</span>
<span id="301"> 301</span>
<span id="302"> 302</span>
<span id="303"> 303</span>
<span id="304"> 304</span>
<span id="305"> 305</span>
<span id="306"> 306</span>
<span id="307"> 307</span>
<span id="308"> 308</span>
<span id="309"> 309</span>
<span id="310"> 310</span>
<span id="311"> 311</span>
<span id="312"> 312</span>
<span id="313"> 313</span>
<span id="314"> 314</span>
<span id="315"> 315</span>
<span id="316"> 316</span>
<span id="317"> 317</span>
<span id="318"> 318</span>
<span id="319"> 319</span>
<span id="320"> 320</span>
<span id="321"> 321</span>
<span id="322"> 322</span>
<span id="323"> 323</span>
<span id="324"> 324</span>
<span id="325"> 325</span>
<span id="326"> 326</span>
<span id="327"> 327</span>
<span id="328"> 328</span>
<span id="329"> 329</span>
<span id="330"> 330</span>
<span id="331"> 331</span>
<span id="332"> 332</span>
<span id="333"> 333</span>
<span id="334"> 334</span>
<span id="335"> 335</span>
<span id="336"> 336</span>
<span id="337"> 337</span>
<span id="338"> 338</span>
<span id="339"> 339</span>
<span id="340"> 340</span>
<span id="341"> 341</span>
<span id="342"> 342</span>
<span id="343"> 343</span>
<span id="344"> 344</span>
<span id="345"> 345</span>
<span id="346"> 346</span>
<span id="347"> 347</span>
<span id="348"> 348</span>
<span id="349"> 349</span>
<span id="350"> 350</span>
<span id="351"> 351</span>
<span id="352"> 352</span>
<span id="353"> 353</span>
<span id="354"> 354</span>
<span id="355"> 355</span>
<span id="356"> 356</span>
<span id="357"> 357</span>
<span id="358"> 358</span>
<span id="359"> 359</span>
<span id="360"> 360</span>
<span id="361"> 361</span>
<span id="362"> 362</span>
<span id="363"> 363</span>
<span id="364"> 364</span>
<span id="365"> 365</span>
<span id="366"> 366</span>
<span id="367"> 367</span>
<span id="368"> 368</span>
<span id="369"> 369</span>
<span id="370"> 370</span>
<span id="371"> 371</span>
<span id="372"> 372</span>
<span id="373"> 373</span>
<span id="374"> 374</span>
<span id="375"> 375</span>
<span id="376"> 376</span>
<span id="377"> 377</span>
<span id="378"> 378</span>
<span id="379"> 379</span>
<span id="380"> 380</span>
<span id="381"> 381</span>
<span id="382"> 382</span>
<span id="383"> 383</span>
<span id="384"> 384</span>
<span id="385"> 385</span>
<span id="386"> 386</span>
<span id="387"> 387</span>
<span id="388"> 388</span>
<span id="389"> 389</span>
<span id="390"> 390</span>
<span id="391"> 391</span>
<span id="392"> 392</span>
<span id="393"> 393</span>
<span id="394"> 394</span>
<span id="395"> 395</span>
<span id="396"> 396</span>
<span id="397"> 397</span>
<span id="398"> 398</span>
<span id="399"> 399</span>
<span id="400"> 400</span>
<span id="401"> 401</span>
<span id="402"> 402</span>
<span id="403"> 403</span>
<span id="404"> 404</span>
<span id="405"> 405</span>
<span id="406"> 406</span>
<span id="407"> 407</span>
<span id="408"> 408</span>
<span id="409"> 409</span>
<span id="410"> 410</span>
<span id="411"> 411</span>
<span id="412"> 412</span>
<span id="413"> 413</span>
<span id="414"> 414</span>
<span id="415"> 415</span>
<span id="416"> 416</span>
<span id="417"> 417</span>
<span id="418"> 418</span>
<span id="419"> 419</span>
<span id="420"> 420</span>
<span id="421"> 421</span>
<span id="422"> 422</span>
<span id="423"> 423</span>
<span id="424"> 424</span>
<span id="425"> 425</span>
<span id="426"> 426</span>
<span id="427"> 427</span>
<span id="428"> 428</span>
<span id="429"> 429</span>
<span id="430"> 430</span>
<span id="431"> 431</span>
<span id="432"> 432</span>
<span id="433"> 433</span>
<span id="434"> 434</span>
<span id="435"> 435</span>
<span id="436"> 436</span>
<span id="437"> 437</span>
<span id="438"> 438</span>
<span id="439"> 439</span>
<span id="440"> 440</span>
<span id="441"> 441</span>
<span id="442"> 442</span>
<span id="443"> 443</span>
<span id="444"> 444</span>
<span id="445"> 445</span>
<span id="446"> 446</span>
<span id="447"> 447</span>
<span id="448"> 448</span>
<span id="449"> 449</span>
<span id="450"> 450</span>
<span id="451"> 451</span>
<span id="452"> 452</span>
<span id="453"> 453</span>
<span id="454"> 454</span>
<span id="455"> 455</span>
<span id="456"> 456</span>
<span id="457"> 457</span>
<span id="458"> 458</span>
<span id="459"> 459</span>
<span id="460"> 460</span>
<span id="461"> 461</span>
<span id="462"> 462</span>
<span id="463"> 463</span>
<span id="464"> 464</span>
<span id="465"> 465</span>
<span id="466"> 466</span>
<span id="467"> 467</span>
<span id="468"> 468</span>
<span id="469"> 469</span>
<span id="470"> 470</span>
<span id="471"> 471</span>
<span id="472"> 472</span>
<span id="473"> 473</span>
<span id="474"> 474</span>
<span id="475"> 475</span>
<span id="476"> 476</span>
<span id="477"> 477</span>
<span id="478"> 478</span>
<span id="479"> 479</span>
<span id="480"> 480</span>
<span id="481"> 481</span>
<span id="482"> 482</span>
<span id="483"> 483</span>
<span id="484"> 484</span>
<span id="485"> 485</span>
<span id="486"> 486</span>
<span id="487"> 487</span>
<span id="488"> 488</span>
<span id="489"> 489</span>
<span id="490"> 490</span>
<span id="491"> 491</span>
<span id="492"> 492</span>
<span id="493"> 493</span>
<span id="494"> 494</span>
<span id="495"> 495</span>
<span id="496"> 496</span>
<span id="497"> 497</span>
<span id="498"> 498</span>
<span id="499"> 499</span>
<span id="500"> 500</span>
<span id="501"> 501</span>
<span id="502"> 502</span>
<span id="503"> 503</span>
<span id="504"> 504</span>
<span id="505"> 505</span>
<span id="506"> 506</span>
<span id="507"> 507</span>
<span id="508"> 508</span>
<span id="509"> 509</span>
<span id="510"> 510</span>
<span id="511"> 511</span>
<span id="512"> 512</span>
<span id="513"> 513</span>
<span id="514"> 514</span>
<span id="515"> 515</span>
<span id="516"> 516</span>
<span id="517"> 517</span>
<span id="518"> 518</span>
<span id="519"> 519</span>
<span id="520"> 520</span>
<span id="521"> 521</span>
<span id="522"> 522</span>
<span id="523"> 523</span>
<span id="524"> 524</span>
<span id="525"> 525</span>
<span id="526"> 526</span>
<span id="527"> 527</span>
<span id="528"> 528</span>
<span id="529"> 529</span>
<span id="530"> 530</span>
<span id="531"> 531</span>
<span id="532"> 532</span>
<span id="533"> 533</span>
<span id="534"> 534</span>
<span id="535"> 535</span>
<span id="536"> 536</span>
<span id="537"> 537</span>
<span id="538"> 538</span>
<span id="539"> 539</span>
<span id="540"> 540</span>
<span id="541"> 541</span>
<span id="542"> 542</span>
<span id="543"> 543</span>
<span id="544"> 544</span>
<span id="545"> 545</span>
<span id="546"> 546</span>
<span id="547"> 547</span>
<span id="548"> 548</span>
<span id="549"> 549</span>
<span id="550"> 550</span>
<span id="551"> 551</span>
<span id="552"> 552</span>
<span id="553"> 553</span>
<span id="554"> 554</span>
<span id="555"> 555</span>
<span id="556"> 556</span>
<span id="557"> 557</span>
<span id="558"> 558</span>
<span id="559"> 559</span>
<span id="560"> 560</span>
<span id="561"> 561</span>
<span id="562"> 562</span>
<span id="563"> 563</span>
<span id="564"> 564</span>
<span id="565"> 565</span>
<span id="566"> 566</span>
<span id="567"> 567</span>
<span id="568"> 568</span>
<span id="569"> 569</span>
<span id="570"> 570</span>
<span id="571"> 571</span>
<span id="572"> 572</span>
<span id="573"> 573</span>
<span id="574"> 574</span>
<span id="575"> 575</span>
<span id="576"> 576</span>
<span id="577"> 577</span>
<span id="578"> 578</span>
<span id="579"> 579</span>
<span id="580"> 580</span>
<span id="581"> 581</span>
<span id="582"> 582</span>
<span id="583"> 583</span>
<span id="584"> 584</span>
<span id="585"> 585</span>
<span id="586"> 586</span>
<span id="587"> 587</span>
<span id="588"> 588</span>
<span id="589"> 589</span>
<span id="590"> 590</span>
<span id="591"> 591</span>
<span id="592"> 592</span>
<span id="593"> 593</span>
<span id="594"> 594</span>
<span id="595"> 595</span>
<span id="596"> 596</span>
<span id="597"> 597</span>
<span id="598"> 598</span>
<span id="599"> 599</span>
<span id="600"> 600</span>
<span id="601"> 601</span>
<span id="602"> 602</span>
<span id="603"> 603</span>
<span id="604"> 604</span>
<span id="605"> 605</span>
<span id="606"> 606</span>
<span id="607"> 607</span>
<span id="608"> 608</span>
<span id="609"> 609</span>
<span id="610"> 610</span>
<span id="611"> 611</span>
<span id="612"> 612</span>
<span id="613"> 613</span>
<span id="614"> 614</span>
<span id="615"> 615</span>
<span id="616"> 616</span>
<span id="617"> 617</span>
<span id="618"> 618</span>
<span id="619"> 619</span>
<span id="620"> 620</span>
<span id="621"> 621</span>
<span id="622"> 622</span>
<span id="623"> 623</span>
<span id="624"> 624</span>
<span id="625"> 625</span>
<span id="626"> 626</span>
<span id="627"> 627</span>
<span id="628"> 628</span>
<span id="629"> 629</span>
<span id="630"> 630</span>
<span id="631"> 631</span>
<span id="632"> 632</span>
<span id="633"> 633</span>
<span id="634"> 634</span>
<span id="635"> 635</span>
<span id="636"> 636</span>
<span id="637"> 637</span>
<span id="638"> 638</span>
<span id="639"> 639</span>
<span id="640"> 640</span>
<span id="641"> 641</span>
<span id="642"> 642</span>
<span id="643"> 643</span>
<span id="644"> 644</span>
<span id="645"> 645</span>
<span id="646"> 646</span>
<span id="647"> 647</span>
<span id="648"> 648</span>
<span id="649"> 649</span>
<span id="650"> 650</span>
<span id="651"> 651</span>
<span id="652"> 652</span>
<span id="653"> 653</span>
<span id="654"> 654</span>
<span id="655"> 655</span>
<span id="656"> 656</span>
<span id="657"> 657</span>
<span id="658"> 658</span>
<span id="659"> 659</span>
<span id="660"> 660</span>
<span id="661"> 661</span>
<span id="662"> 662</span>
<span id="663"> 663</span>
<span id="664"> 664</span>
<span id="665"> 665</span>
<span id="666"> 666</span>
<span id="667"> 667</span>
<span id="668"> 668</span>
<span id="669"> 669</span>
<span id="670"> 670</span>
<span id="671"> 671</span>
<span id="672"> 672</span>
<span id="673"> 673</span>
<span id="674"> 674</span>
<span id="675"> 675</span>
<span id="676"> 676</span>
<span id="677"> 677</span>
<span id="678"> 678</span>
<span id="679"> 679</span>
<span id="680"> 680</span>
<span id="681"> 681</span>
<span id="682"> 682</span>
<span id="683"> 683</span>
<span id="684"> 684</span>
<span id="685"> 685</span>
<span id="686"> 686</span>
<span id="687"> 687</span>
<span id="688"> 688</span>
<span id="689"> 689</span>
<span id="690"> 690</span>
<span id="691"> 691</span>
<span id="692"> 692</span>
<span id="693"> 693</span>
<span id="694"> 694</span>
<span id="695"> 695</span>
<span id="696"> 696</span>
<span id="697"> 697</span>
<span id="698"> 698</span>
<span id="699"> 699</span>
<span id="700"> 700</span>
<span id="701"> 701</span>
<span id="702"> 702</span>
<span id="703"> 703</span>
<span id="704"> 704</span>
<span id="705"> 705</span>
<span id="706"> 706</span>
<span id="707"> 707</span>
<span id="708"> 708</span>
<span id="709"> 709</span>
<span id="710"> 710</span>
<span id="711"> 711</span>
<span id="712"> 712</span>
<span id="713"> 713</span>
<span id="714"> 714</span>
<span id="715"> 715</span>
<span id="716"> 716</span>
<span id="717"> 717</span>
<span id="718"> 718</span>
<span id="719"> 719</span>
<span id="720"> 720</span>
<span id="721"> 721</span>
<span id="722"> 722</span>
<span id="723"> 723</span>
<span id="724"> 724</span>
<span id="725"> 725</span>
<span id="726"> 726</span>
<span id="727"> 727</span>
<span id="728"> 728</span>
<span id="729"> 729</span>
<span id="730"> 730</span>
<span id="731"> 731</span>
<span id="732"> 732</span>
<span id="733"> 733</span>
<span id="734"> 734</span>
<span id="735"> 735</span>
<span id="736"> 736</span>
<span id="737"> 737</span>
<span id="738"> 738</span>
<span id="739"> 739</span>
<span id="740"> 740</span>
<span id="741"> 741</span>
<span id="742"> 742</span>
<span id="743"> 743</span>
<span id="744"> 744</span>
<span id="745"> 745</span>
<span id="746"> 746</span>
<span id="747"> 747</span>
<span id="748"> 748</span>
<span id="749"> 749</span>
<span id="750"> 750</span>
<span id="751"> 751</span>
<span id="752"> 752</span>
<span id="753"> 753</span>
<span id="754"> 754</span>
<span id="755"> 755</span>
<span id="756"> 756</span>
<span id="757"> 757</span>
<span id="758"> 758</span>
<span id="759"> 759</span>
<span id="760"> 760</span>
<span id="761"> 761</span>
<span id="762"> 762</span>
<span id="763"> 763</span>
<span id="764"> 764</span>
<span id="765"> 765</span>
<span id="766"> 766</span>
<span id="767"> 767</span>
<span id="768"> 768</span>
<span id="769"> 769</span>
<span id="770"> 770</span>
<span id="771"> 771</span>
<span id="772"> 772</span>
<span id="773"> 773</span>
<span id="774"> 774</span>
<span id="775"> 775</span>
<span id="776"> 776</span>
<span id="777"> 777</span>
<span id="778"> 778</span>
<span id="779"> 779</span>
<span id="780"> 780</span>
<span id="781"> 781</span>
<span id="782"> 782</span>
<span id="783"> 783</span>
<span id="784"> 784</span>
<span id="785"> 785</span>
<span id="786"> 786</span>
<span id="787"> 787</span>
<span id="788"> 788</span>
<span id="789"> 789</span>
<span id="790"> 790</span>
<span id="791"> 791</span>
<span id="792"> 792</span>
<span id="793"> 793</span>
<span id="794"> 794</span>
<span id="795"> 795</span>
<span id="796"> 796</span>
<span id="797"> 797</span>
<span id="798"> 798</span>
<span id="799"> 799</span>
<span id="800"> 800</span>
<span id="801"> 801</span>
<span id="802"> 802</span>
<span id="803"> 803</span>
<span id="804"> 804</span>
<span id="805"> 805</span>
<span id="806"> 806</span>
<span id="807"> 807</span>
<span id="808"> 808</span>
<span id="809"> 809</span>
<span id="810"> 810</span>
<span id="811"> 811</span>
<span id="812"> 812</span>
<span id="813"> 813</span>
<span id="814"> 814</span>
<span id="815"> 815</span>
<span id="816"> 816</span>
<span id="817"> 817</span>
<span id="818"> 818</span>
<span id="819"> 819</span>
<span id="820"> 820</span>
<span id="821"> 821</span>
<span id="822"> 822</span>
<span id="823"> 823</span>
<span id="824"> 824</span>
<span id="825"> 825</span>
<span id="826"> 826</span>
<span id="827"> 827</span>
<span id="828"> 828</span>
<span id="829"> 829</span>
<span id="830"> 830</span>
<span id="831"> 831</span>
<span id="832"> 832</span>
<span id="833"> 833</span>
<span id="834"> 834</span>
<span id="835"> 835</span>
<span id="836"> 836</span>
<span id="837"> 837</span>
<span id="838"> 838</span>
<span id="839"> 839</span>
<span id="840"> 840</span>
<span id="841"> 841</span>
<span id="842"> 842</span>
<span id="843"> 843</span>
<span id="844"> 844</span>
<span id="845"> 845</span>
<span id="846"> 846</span>
<span id="847"> 847</span>
<span id="848"> 848</span>
<span id="849"> 849</span>
<span id="850"> 850</span>
<span id="851"> 851</span>
<span id="852"> 852</span>
<span id="853"> 853</span>
<span id="854"> 854</span>
<span id="855"> 855</span>
<span id="856"> 856</span>
<span id="857"> 857</span>
<span id="858"> 858</span>
<span id="859"> 859</span>
<span id="860"> 860</span>
<span id="861"> 861</span>
<span id="862"> 862</span>
<span id="863"> 863</span>
<span id="864"> 864</span>
<span id="865"> 865</span>
<span id="866"> 866</span>
<span id="867"> 867</span>
<span id="868"> 868</span>
<span id="869"> 869</span>
<span id="870"> 870</span>
<span id="871"> 871</span>
<span id="872"> 872</span>
<span id="873"> 873</span>
<span id="874"> 874</span>
<span id="875"> 875</span>
<span id="876"> 876</span>
<span id="877"> 877</span>
<span id="878"> 878</span>
<span id="879"> 879</span>
<span id="880"> 880</span>
<span id="881"> 881</span>
<span id="882"> 882</span>
<span id="883"> 883</span>
<span id="884"> 884</span>
<span id="885"> 885</span>
<span id="886"> 886</span>
<span id="887"> 887</span>
<span id="888"> 888</span>
<span id="889"> 889</span>
<span id="890"> 890</span>
<span id="891"> 891</span>
<span id="892"> 892</span>
<span id="893"> 893</span>
<span id="894"> 894</span>
<span id="895"> 895</span>
<span id="896"> 896</span>
<span id="897"> 897</span>
<span id="898"> 898</span>
<span id="899"> 899</span>
<span id="900"> 900</span>
<span id="901"> 901</span>
<span id="902"> 902</span>
<span id="903"> 903</span>
<span id="904"> 904</span>
<span id="905"> 905</span>
<span id="906"> 906</span>
<span id="907"> 907</span>
<span id="908"> 908</span>
<span id="909"> 909</span>
<span id="910"> 910</span>
<span id="911"> 911</span>
<span id="912"> 912</span>
<span id="913"> 913</span>
<span id="914"> 914</span>
<span id="915"> 915</span>
<span id="916"> 916</span>
<span id="917"> 917</span>
<span id="918"> 918</span>
<span id="919"> 919</span>
<span id="920"> 920</span>
<span id="921"> 921</span>
<span id="922"> 922</span>
<span id="923"> 923</span>
<span id="924"> 924</span>
<span id="925"> 925</span>
<span id="926"> 926</span>
<span id="927"> 927</span>
<span id="928"> 928</span>
<span id="929"> 929</span>
<span id="930"> 930</span>
<span id="931"> 931</span>
<span id="932"> 932</span>
<span id="933"> 933</span>
<span id="934"> 934</span>
<span id="935"> 935</span>
<span id="936"> 936</span>
<span id="937"> 937</span>
<span id="938"> 938</span>
<span id="939"> 939</span>
<span id="940"> 940</span>
<span id="941"> 941</span>
<span id="942"> 942</span>
<span id="943"> 943</span>
<span id="944"> 944</span>
<span id="945"> 945</span>
<span id="946"> 946</span>
<span id="947"> 947</span>
<span id="948"> 948</span>
<span id="949"> 949</span>
<span id="950"> 950</span>
<span id="951"> 951</span>
<span id="952"> 952</span>
<span id="953"> 953</span>
<span id="954"> 954</span>
<span id="955"> 955</span>
<span id="956"> 956</span>
<span id="957"> 957</span>
<span id="958"> 958</span>
<span id="959"> 959</span>
<span id="960"> 960</span>
<span id="961"> 961</span>
<span id="962"> 962</span>
<span id="963"> 963</span>
<span id="964"> 964</span>
<span id="965"> 965</span>
<span id="966"> 966</span>
<span id="967"> 967</span>
<span id="968"> 968</span>
<span id="969"> 969</span>
<span id="970"> 970</span>
<span id="971"> 971</span>
<span id="972"> 972</span>
<span id="973"> 973</span>
<span id="974"> 974</span>
<span id="975"> 975</span>
<span id="976"> 976</span>
<span id="977"> 977</span>
<span id="978"> 978</span>
<span id="979"> 979</span>
<span id="980"> 980</span>
<span id="981"> 981</span>
<span id="982"> 982</span>
<span id="983"> 983</span>
<span id="984"> 984</span>
<span id="985"> 985</span>
<span id="986"> 986</span>
<span id="987"> 987</span>
<span id="988"> 988</span>
<span id="989"> 989</span>
<span id="990"> 990</span>
<span id="991"> 991</span>
<span id="992"> 992</span>
<span id="993"> 993</span>
<span id="994"> 994</span>
<span id="995"> 995</span>
<span id="996"> 996</span>
<span id="997"> 997</span>
<span id="998"> 998</span>
<span id="999"> 999</span>
<span id="1000">1000</span>
<span id="1001">1001</span>
<span id="1002">1002</span>
<span id="1003">1003</span>
<span id="1004">1004</span>
<span id="1005">1005</span>
<span id="1006">1006</span>
<span id="1007">1007</span>
<span id="1008">1008</span>
<span id="1009">1009</span>
<span id="1010">1010</span>
<span id="1011">1011</span>
<span id="1012">1012</span>
<span id="1013">1013</span>
<span id="1014">1014</span>
<span id="1015">1015</span>
<span id="1016">1016</span>
<span id="1017">1017</span>
<span id="1018">1018</span>
<span id="1019">1019</span>
<span id="1020">1020</span>
<span id="1021">1021</span>
<span id="1022">1022</span>
<span id="1023">1023</span>
<span id="1024">1024</span>
<span id="1025">1025</span>
<span id="1026">1026</span>
<span id="1027">1027</span>
<span id="1028">1028</span>
<span id="1029">1029</span>
<span id="1030">1030</span>
<span id="1031">1031</span>
<span id="1032">1032</span>
<span id="1033">1033</span>
<span id="1034">1034</span>
<span id="1035">1035</span>
<span id="1036">1036</span>
<span id="1037">1037</span>
<span id="1038">1038</span>
<span id="1039">1039</span>
<span id="1040">1040</span>
<span id="1041">1041</span>
<span id="1042">1042</span>
<span id="1043">1043</span>
<span id="1044">1044</span>
<span id="1045">1045</span>
<span id="1046">1046</span>
<span id="1047">1047</span>
<span id="1048">1048</span>
<span id="1049">1049</span>
<span id="1050">1050</span>
<span id="1051">1051</span>
<span id="1052">1052</span>
<span id="1053">1053</span>
<span id="1054">1054</span>
<span id="1055">1055</span>
<span id="1056">1056</span>
<span id="1057">1057</span>
<span id="1058">1058</span>
<span id="1059">1059</span>
<span id="1060">1060</span>
<span id="1061">1061</span>
<span id="1062">1062</span>
<span id="1063">1063</span>
<span id="1064">1064</span>
<span id="1065">1065</span>
<span id="1066">1066</span>
<span id="1067">1067</span>
<span id="1068">1068</span>
<span id="1069">1069</span>
<span id="1070">1070</span>
<span id="1071">1071</span>
<span id="1072">1072</span>
<span id="1073">1073</span>
<span id="1074">1074</span>
<span id="1075">1075</span>
<span id="1076">1076</span>
<span id="1077">1077</span>
<span id="1078">1078</span>
<span id="1079">1079</span>
<span id="1080">1080</span>
<span id="1081">1081</span>
<span id="1082">1082</span>
<span id="1083">1083</span>
<span id="1084">1084</span>
<span id="1085">1085</span>
<span id="1086">1086</span>
<span id="1087">1087</span>
<span id="1088">1088</span>
<span id="1089">1089</span>
<span id="1090">1090</span>
<span id="1091">1091</span>
<span id="1092">1092</span>
<span id="1093">1093</span>
<span id="1094">1094</span>
<span id="1095">1095</span>
<span id="1096">1096</span>
<span id="1097">1097</span>
<span id="1098">1098</span>
<span id="1099">1099</span>
<span id="1100">1100</span>
<span id="1101">1101</span>
<span id="1102">1102</span>
<span id="1103">1103</span>
<span id="1104">1104</span>
<span id="1105">1105</span>
<span id="1106">1106</span>
<span id="1107">1107</span>
<span id="1108">1108</span>
<span id="1109">1109</span>
<span id="1110">1110</span>
<span id="1111">1111</span>
<span id="1112">1112</span>
<span id="1113">1113</span>
<span id="1114">1114</span>
<span id="1115">1115</span>
<span id="1116">1116</span>
<span id="1117">1117</span>
<span id="1118">1118</span>
<span id="1119">1119</span>
<span id="1120">1120</span>
<span id="1121">1121</span>
</pre><pre class="rust ">
<span class="doccomment">//! Error and Result module</span>
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>::<span class="ident">Error</span> <span class="kw">as</span> <span class="ident">IoError</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">str</span>::<span class="ident">Utf8Error</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">string</span>::<span class="ident">FromUtf8Error</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">sync</span>::<span class="ident">Mutex</span>;
<span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">fmt</span>, <span class="ident">io</span>, <span class="ident">result</span>};
<span class="kw">use</span> <span class="ident">actix</span>::<span class="ident">MailboxError</span>;
<span class="kw">use</span> <span class="ident">cookie</span>;
<span class="kw">use</span> <span class="ident">failure</span>::{<span class="self">self</span>, <span class="ident">Backtrace</span>, <span class="ident">Fail</span>};
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">Canceled</span>;
<span class="kw">use</span> <span class="ident">http</span>::<span class="ident">uri</span>::<span class="ident">InvalidUri</span>;
<span class="kw">use</span> <span class="ident">http</span>::{<span class="ident">header</span>, <span class="ident">Error</span> <span class="kw">as</span> <span class="ident">HttpError</span>, <span class="ident">StatusCode</span>};
<span class="kw">use</span> <span class="ident">http2</span>::<span class="ident">Error</span> <span class="kw">as</span> <span class="ident">Http2Error</span>;
<span class="kw">use</span> <span class="ident">httparse</span>;
<span class="kw">use</span> <span class="ident">serde</span>::<span class="ident">de</span>::<span class="ident">value</span>::<span class="ident">Error</span> <span class="kw">as</span> <span class="ident">DeError</span>;
<span class="kw">use</span> <span class="ident">serde_json</span>::<span class="ident">error</span>::<span class="ident">Error</span> <span class="kw">as</span> <span class="ident">JsonError</span>;
<span class="kw">use</span> <span class="ident">serde_urlencoded</span>::<span class="ident">ser</span>::<span class="ident">Error</span> <span class="kw">as</span> <span class="ident">FormError</span>;
<span class="kw">use</span> <span class="ident">tokio_timer</span>::<span class="ident">Error</span> <span class="kw">as</span> <span class="ident">TimerError</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="ident">url</span>::<span class="ident">ParseError</span> <span class="kw">as</span> <span class="ident">UrlParseError</span>;
<span class="comment">// re-exports</span>
<span class="kw">pub</span> <span class="kw">use</span> <span class="ident">cookie</span>::<span class="ident">ParseError</span> <span class="kw">as</span> <span class="ident">CookieParseError</span>;
<span class="kw">use</span> <span class="ident">handler</span>::<span class="ident">Responder</span>;
<span class="kw">use</span> <span class="ident">httprequest</span>::<span class="ident">HttpRequest</span>;
<span class="kw">use</span> <span class="ident">httpresponse</span>::{<span class="ident">HttpResponse</span>, <span class="ident">HttpResponseParts</span>};
<span class="doccomment">/// A specialized [`Result`](https://doc.rust-lang.org/std/result/enum.Result.html)</span>
<span class="doccomment">/// for actix web operations</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This typedef is generally used to avoid writing out</span>
<span class="doccomment">/// `actix_web::error::Error` directly and is otherwise a direct mapping to</span>
<span class="doccomment">/// `Result`.</span>
<span class="kw">pub</span> <span class="kw">type</span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">T</span>, <span class="ident">E</span> <span class="op">=</span> <span class="ident">Error</span><span class="op">></span> <span class="op">=</span> <span class="ident">result</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">T</span>, <span class="ident">E</span><span class="op">></span>;
<span class="doccomment">/// General purpose actix web error.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// An actix web error is used to carry errors from `failure` or `std::error`</span>
<span class="doccomment">/// through actix in a convenient way. It can be created through</span>
<span class="doccomment">/// converting errors with `into()`.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Whenever it is created from an external object a response error is created</span>
<span class="doccomment">/// for it that can be used to create an http response from it this means that</span>
<span class="doccomment">/// if you have access to an actix `Error` you can always get a</span>
<span class="doccomment">/// `ResponseError` reference from it.</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Error</span> {
<span class="ident">cause</span>: <span class="ident">Box</span><span class="op"><</span><span class="ident">ResponseError</span><span class="op">></span>,
<span class="ident">backtrace</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Backtrace</span><span class="op">></span>,
}
<span class="kw">impl</span> <span class="ident">Error</span> {
<span class="doccomment">/// Deprecated way to reference the underlying response error.</span>
<span class="attribute">#[<span class="ident">deprecated</span>(
<span class="ident">since</span> <span class="op">=</span> <span class="string">"0.6.0"</span>, <span class="ident">note</span> <span class="op">=</span> <span class="string">"please use `Error::as_response_error()` instead"</span>
)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">cause</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="ident">ResponseError</span> {
<span class="self">self</span>.<span class="ident">cause</span>.<span class="ident">as_ref</span>()
}
<span class="doccomment">/// Returns a reference to the underlying cause of this `Error` as `Fail`</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">as_fail</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="ident">Fail</span> {
<span class="self">self</span>.<span class="ident">cause</span>.<span class="ident">as_fail</span>()
}
<span class="doccomment">/// Returns the reference to the underlying `ResponseError`.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">as_response_error</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="ident">ResponseError</span> {
<span class="self">self</span>.<span class="ident">cause</span>.<span class="ident">as_ref</span>()
}
<span class="doccomment">/// Returns a reference to the Backtrace carried by this error, if it</span>
<span class="doccomment">/// carries one.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This uses the same `Backtrace` type that `failure` uses.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">backtrace</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="ident">Backtrace</span> {
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">bt</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">cause</span>.<span class="ident">backtrace</span>() {
<span class="ident">bt</span>
} <span class="kw">else</span> {
<span class="self">self</span>.<span class="ident">backtrace</span>.<span class="ident">as_ref</span>().<span class="ident">unwrap</span>()
}
}
<span class="doccomment">/// Attempts to downcast this `Error` to a particular `Fail` type by</span>
<span class="doccomment">/// reference.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// If the underlying error is not of type `T`, this will return `None`.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">downcast_ref</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">Fail</span><span class="op">></span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw-2">&</span><span class="ident">T</span><span class="op">></span> {
<span class="comment">// in the most trivial way the cause is directly of the requested type.</span>
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">rv</span>) <span class="op">=</span> <span class="ident">Fail</span>::<span class="ident">downcast_ref</span>(<span class="self">self</span>.<span class="ident">cause</span>.<span class="ident">as_fail</span>()) {
<span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">rv</span>);
}
<span class="comment">// in the more complex case the error has been constructed from a failure</span>
<span class="comment">// error. This happens because we implement From<failure::Error> by</span>
<span class="comment">// calling compat() and then storing it here. In failure this is</span>
<span class="comment">// represented by a failure::Error being wrapped in a failure::Compat.</span>
<span class="comment">//</span>
<span class="comment">// So we first downcast into that compat, to then further downcast through</span>
<span class="comment">// the failure's Error downcasting system into the original failure.</span>
<span class="comment">//</span>
<span class="comment">// This currently requires a transmute. This could be avoided if failure</span>
<span class="comment">// provides a deref: https://github.com/rust-lang-nursery/failure/pull/213</span>
<span class="kw">let</span> <span class="ident">compat</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw-2">&</span><span class="ident">failure</span>::<span class="ident">Compat</span><span class="op"><</span><span class="ident">failure</span>::<span class="ident">Error</span><span class="op">>></span> <span class="op">=</span>
<span class="ident">Fail</span>::<span class="ident">downcast_ref</span>(<span class="self">self</span>.<span class="ident">cause</span>.<span class="ident">as_fail</span>());
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">compat</span>) <span class="op">=</span> <span class="ident">compat</span> {
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">CompatWrappedError</span> {
<span class="ident">error</span>: <span class="ident">failure</span>::<span class="ident">Error</span>,
}
<span class="kw">let</span> <span class="ident">compat</span>: <span class="kw-2">&</span><span class="ident">CompatWrappedError</span> <span class="op">=</span>
<span class="kw">unsafe</span> { <span class="kw-2">&</span><span class="kw-2">*</span>(<span class="ident">compat</span> <span class="kw">as</span> <span class="kw-2">*</span><span class="kw">const</span> <span class="kw">_</span> <span class="kw">as</span> <span class="kw-2">*</span><span class="kw">const</span> <span class="ident">CompatWrappedError</span>) };
<span class="ident">compat</span>.<span class="ident">error</span>.<span class="ident">downcast_ref</span>()
} <span class="kw">else</span> {
<span class="prelude-val">None</span>
}
}
}
<span class="doccomment">/// Helper trait to downcast a response error into a fail.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This is currently not exposed because it's unclear if this is the best way</span>
<span class="doccomment">/// to achieve the downcasting on `Error` for which this is needed.</span>
<span class="attribute">#[<span class="ident">doc</span>(<span class="ident">hidden</span>)]</span>
<span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">InternalResponseErrorAsFail</span> {
<span class="attribute">#[<span class="ident">doc</span>(<span class="ident">hidden</span>)]</span>
<span class="kw">fn</span> <span class="ident">as_fail</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="ident">Fail</span>;
<span class="attribute">#[<span class="ident">doc</span>(<span class="ident">hidden</span>)]</span>
<span class="kw">fn</span> <span class="ident">as_mut_fail</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">Fail</span>;
}
<span class="attribute">#[<span class="ident">doc</span>(<span class="ident">hidden</span>)]</span>
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ResponseError</span><span class="op">></span> <span class="ident">InternalResponseErrorAsFail</span> <span class="kw">for</span> <span class="ident">T</span> {
<span class="kw">fn</span> <span class="ident">as_fail</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="ident">Fail</span> {
<span class="self">self</span>
}
<span class="kw">fn</span> <span class="ident">as_mut_fail</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">Fail</span> {
<span class="self">self</span>
}
}
<span class="doccomment">/// Error that can be converted to `HttpResponse`</span>
<span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">ResponseError</span>: <span class="ident">Fail</span> <span class="op">+</span> <span class="ident">InternalResponseErrorAsFail</span> {
<span class="doccomment">/// Create response for error</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Internal server error is generated by default.</span>
<span class="kw">fn</span> <span class="ident">error_response</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">HttpResponse</span> {
<span class="ident">HttpResponse</span>::<span class="ident">new</span>(<span class="ident">StatusCode</span>::<span class="ident">INTERNAL_SERVER_ERROR</span>)
}
}
<span class="kw">impl</span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="kw">for</span> <span class="ident">Error</span> {
<span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">fmt</span>::<span class="ident">Formatter</span>) <span class="op">-></span> <span class="ident">fmt</span>::<span class="prelude-ty">Result</span> {
<span class="ident">fmt</span>::<span class="ident">Display</span>::<span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">cause</span>, <span class="ident">f</span>)
}
}
<span class="kw">impl</span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="kw">for</span> <span class="ident">Error</span> {
<span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">fmt</span>::<span class="ident">Formatter</span>) <span class="op">-></span> <span class="ident">fmt</span>::<span class="prelude-ty">Result</span> {
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">bt</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">cause</span>.<span class="ident">backtrace</span>() {
<span class="macro">write</span><span class="macro">!</span>(<span class="ident">f</span>, <span class="string">"{:?}\n\n{:?}"</span>, <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">cause</span>, <span class="ident">bt</span>)
} <span class="kw">else</span> {
<span class="macro">write</span><span class="macro">!</span>(
<span class="ident">f</span>,
<span class="string">"{:?}\n\n{:?}"</span>,
<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">cause</span>,
<span class="self">self</span>.<span class="ident">backtrace</span>.<span class="ident">as_ref</span>().<span class="ident">unwrap</span>()
)
}
}
}
<span class="doccomment">/// Convert `Error` to a `HttpResponse` instance</span>
<span class="kw">impl</span> <span class="ident">From</span><span class="op"><</span><span class="ident">Error</span><span class="op">></span> <span class="kw">for</span> <span class="ident">HttpResponse</span> {
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">err</span>: <span class="ident">Error</span>) <span class="op">-></span> <span class="self">Self</span> {
<span class="ident">HttpResponse</span>::<span class="ident">from_error</span>(<span class="ident">err</span>)
}
}
<span class="doccomment">/// `Error` for any error that implements `ResponseError`</span>
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ResponseError</span><span class="op">></span> <span class="ident">From</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="kw">for</span> <span class="ident">Error</span> {
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">err</span>: <span class="ident">T</span>) <span class="op">-></span> <span class="ident">Error</span> {
<span class="kw">let</span> <span class="ident">backtrace</span> <span class="op">=</span> <span class="kw">if</span> <span class="ident">err</span>.<span class="ident">backtrace</span>().<span class="ident">is_none</span>() {
<span class="prelude-val">Some</span>(<span class="ident">Backtrace</span>::<span class="ident">new</span>())
} <span class="kw">else</span> {
<span class="prelude-val">None</span>
};
<span class="ident">Error</span> {
<span class="ident">cause</span>: <span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">err</span>),
<span class="ident">backtrace</span>,
}
}
}
<span class="doccomment">/// Compatibility for `failure::Error`</span>
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="ident">ResponseError</span> <span class="kw">for</span> <span class="ident">failure</span>::<span class="ident">Compat</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="ident">Send</span> <span class="op">+</span> <span class="lifetime">'static</span>
{}
<span class="kw">impl</span> <span class="ident">From</span><span class="op"><</span><span class="ident">failure</span>::<span class="ident">Error</span><span class="op">></span> <span class="kw">for</span> <span class="ident">Error</span> {
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">err</span>: <span class="ident">failure</span>::<span class="ident">Error</span>) <span class="op">-></span> <span class="ident">Error</span> {
<span class="ident">err</span>.<span class="ident">compat</span>().<span class="ident">into</span>()
}
}
<span class="doccomment">/// `InternalServerError` for `JsonError`</span>
<span class="kw">impl</span> <span class="ident">ResponseError</span> <span class="kw">for</span> <span class="ident">JsonError</span> {}
<span class="doccomment">/// `InternalServerError` for `FormError`</span>
<span class="kw">impl</span> <span class="ident">ResponseError</span> <span class="kw">for</span> <span class="ident">FormError</span> {}
<span class="doccomment">/// `InternalServerError` for `TimerError`</span>
<span class="kw">impl</span> <span class="ident">ResponseError</span> <span class="kw">for</span> <span class="ident">TimerError</span> {}
<span class="doccomment">/// `InternalServerError` for `UrlParseError`</span>
<span class="kw">impl</span> <span class="ident">ResponseError</span> <span class="kw">for</span> <span class="ident">UrlParseError</span> {}
<span class="doccomment">/// Return `BAD_REQUEST` for `de::value::Error`</span>
<span class="kw">impl</span> <span class="ident">ResponseError</span> <span class="kw">for</span> <span class="ident">DeError</span> {
<span class="kw">fn</span> <span class="ident">error_response</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">HttpResponse</span> {
<span class="ident">HttpResponse</span>::<span class="ident">new</span>(<span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>)
}
}
<span class="doccomment">/// Return `BAD_REQUEST` for `Utf8Error`</span>
<span class="kw">impl</span> <span class="ident">ResponseError</span> <span class="kw">for</span> <span class="ident">Utf8Error</span> {
<span class="kw">fn</span> <span class="ident">error_response</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">HttpResponse</span> {
<span class="ident">HttpResponse</span>::<span class="ident">new</span>(<span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>)
}
}
<span class="doccomment">/// Return `InternalServerError` for `HttpError`,</span>
<span class="doccomment">/// Response generation can return `HttpError`, so it is internal error</span>
<span class="kw">impl</span> <span class="ident">ResponseError</span> <span class="kw">for</span> <span class="ident">HttpError</span> {}
<span class="doccomment">/// Return `InternalServerError` for `io::Error`</span>
<span class="kw">impl</span> <span class="ident">ResponseError</span> <span class="kw">for</span> <span class="ident">io</span>::<span class="ident">Error</span> {
<span class="kw">fn</span> <span class="ident">error_response</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">HttpResponse</span> {
<span class="kw">match</span> <span class="self">self</span>.<span class="ident">kind</span>() {
<span class="ident">io</span>::<span class="ident">ErrorKind</span>::<span class="ident">NotFound</span> <span class="op">=></span> <span class="ident">HttpResponse</span>::<span class="ident">new</span>(<span class="ident">StatusCode</span>::<span class="ident">NOT_FOUND</span>),
<span class="ident">io</span>::<span class="ident">ErrorKind</span>::<span class="ident">PermissionDenied</span> <span class="op">=></span> <span class="ident">HttpResponse</span>::<span class="ident">new</span>(<span class="ident">StatusCode</span>::<span class="ident">FORBIDDEN</span>),
<span class="kw">_</span> <span class="op">=></span> <span class="ident">HttpResponse</span>::<span class="ident">new</span>(<span class="ident">StatusCode</span>::<span class="ident">INTERNAL_SERVER_ERROR</span>),
}
}
}
<span class="doccomment">/// `BadRequest` for `InvalidHeaderValue`</span>
<span class="kw">impl</span> <span class="ident">ResponseError</span> <span class="kw">for</span> <span class="ident">header</span>::<span class="ident">InvalidHeaderValue</span> {
<span class="kw">fn</span> <span class="ident">error_response</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">HttpResponse</span> {
<span class="ident">HttpResponse</span>::<span class="ident">new</span>(<span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>)
}
}
<span class="doccomment">/// `BadRequest` for `InvalidHeaderValue`</span>
<span class="kw">impl</span> <span class="ident">ResponseError</span> <span class="kw">for</span> <span class="ident">header</span>::<span class="ident">InvalidHeaderValueBytes</span> {
<span class="kw">fn</span> <span class="ident">error_response</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">HttpResponse</span> {
<span class="ident">HttpResponse</span>::<span class="ident">new</span>(<span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>)
}
}
<span class="doccomment">/// `InternalServerError` for `futures::Canceled`</span>
<span class="kw">impl</span> <span class="ident">ResponseError</span> <span class="kw">for</span> <span class="ident">Canceled</span> {}
<span class="doccomment">/// `InternalServerError` for `actix::MailboxError`</span>
<span class="kw">impl</span> <span class="ident">ResponseError</span> <span class="kw">for</span> <span class="ident">MailboxError</span> {}
<span class="doccomment">/// A set of errors that can occur during parsing HTTP streams</span>
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Fail</span>, <span class="ident">Debug</span>)]</span>
<span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">ParseError</span> {
<span class="doccomment">/// An invalid `Method`, such as `GE.T`.</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Invalid Method specified"</span>)]</span>
<span class="ident">Method</span>,
<span class="doccomment">/// An invalid `Uri`, such as `exam ple.domain`.</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Uri error: {}"</span>, <span class="ident">_0</span>)]</span>
<span class="ident">Uri</span>(<span class="ident">InvalidUri</span>),
<span class="doccomment">/// An invalid `HttpVersion`, such as `HTP/1.1`</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Invalid HTTP version specified"</span>)]</span>
<span class="ident">Version</span>,
<span class="doccomment">/// An invalid `Header`.</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Invalid Header provided"</span>)]</span>
<span class="ident">Header</span>,
<span class="doccomment">/// A message head is too large to be reasonable.</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Message head is too large"</span>)]</span>
<span class="ident">TooLarge</span>,
<span class="doccomment">/// A message reached EOF, but is not complete.</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Message is incomplete"</span>)]</span>
<span class="ident">Incomplete</span>,
<span class="doccomment">/// An invalid `Status`, such as `1337 ELITE`.</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Invalid Status provided"</span>)]</span>
<span class="ident">Status</span>,
<span class="doccomment">/// A timeout occurred waiting for an IO event.</span>
<span class="attribute">#[<span class="ident">allow</span>(<span class="ident">dead_code</span>)]</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Timeout"</span>)]</span>
<span class="ident">Timeout</span>,
<span class="doccomment">/// An `io::Error` that occurred while trying to read or write to a network</span>
<span class="doccomment">/// stream.</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"IO error: {}"</span>, <span class="ident">_0</span>)]</span>
<span class="ident">Io</span>(<span class="attribute">#[<span class="ident">cause</span>]</span> <span class="ident">IoError</span>),
<span class="doccomment">/// Parsing a field as string failed</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"UTF8 error: {}"</span>, <span class="ident">_0</span>)]</span>
<span class="ident">Utf8</span>(<span class="attribute">#[<span class="ident">cause</span>]</span> <span class="ident">Utf8Error</span>),
}
<span class="doccomment">/// Return `BadRequest` for `ParseError`</span>
<span class="kw">impl</span> <span class="ident">ResponseError</span> <span class="kw">for</span> <span class="ident">ParseError</span> {
<span class="kw">fn</span> <span class="ident">error_response</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">HttpResponse</span> {
<span class="ident">HttpResponse</span>::<span class="ident">new</span>(<span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>)
}
}
<span class="kw">impl</span> <span class="ident">From</span><span class="op"><</span><span class="ident">IoError</span><span class="op">></span> <span class="kw">for</span> <span class="ident">ParseError</span> {
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">err</span>: <span class="ident">IoError</span>) <span class="op">-></span> <span class="ident">ParseError</span> {
<span class="ident">ParseError</span>::<span class="ident">Io</span>(<span class="ident">err</span>)
}
}
<span class="kw">impl</span> <span class="ident">From</span><span class="op"><</span><span class="ident">InvalidUri</span><span class="op">></span> <span class="kw">for</span> <span class="ident">ParseError</span> {
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">err</span>: <span class="ident">InvalidUri</span>) <span class="op">-></span> <span class="ident">ParseError</span> {
<span class="ident">ParseError</span>::<span class="ident">Uri</span>(<span class="ident">err</span>)
}
}
<span class="kw">impl</span> <span class="ident">From</span><span class="op"><</span><span class="ident">Utf8Error</span><span class="op">></span> <span class="kw">for</span> <span class="ident">ParseError</span> {
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">err</span>: <span class="ident">Utf8Error</span>) <span class="op">-></span> <span class="ident">ParseError</span> {
<span class="ident">ParseError</span>::<span class="ident">Utf8</span>(<span class="ident">err</span>)
}
}
<span class="kw">impl</span> <span class="ident">From</span><span class="op"><</span><span class="ident">FromUtf8Error</span><span class="op">></span> <span class="kw">for</span> <span class="ident">ParseError</span> {
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">err</span>: <span class="ident">FromUtf8Error</span>) <span class="op">-></span> <span class="ident">ParseError</span> {
<span class="ident">ParseError</span>::<span class="ident">Utf8</span>(<span class="ident">err</span>.<span class="ident">utf8_error</span>())
}
}
<span class="kw">impl</span> <span class="ident">From</span><span class="op"><</span><span class="ident">httparse</span>::<span class="ident">Error</span><span class="op">></span> <span class="kw">for</span> <span class="ident">ParseError</span> {
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">err</span>: <span class="ident">httparse</span>::<span class="ident">Error</span>) <span class="op">-></span> <span class="ident">ParseError</span> {
<span class="kw">match</span> <span class="ident">err</span> {
<span class="ident">httparse</span>::<span class="ident">Error</span>::<span class="ident">HeaderName</span>
<span class="op">|</span> <span class="ident">httparse</span>::<span class="ident">Error</span>::<span class="ident">HeaderValue</span>
<span class="op">|</span> <span class="ident">httparse</span>::<span class="ident">Error</span>::<span class="ident">NewLine</span>
<span class="op">|</span> <span class="ident">httparse</span>::<span class="ident">Error</span>::<span class="ident">Token</span> <span class="op">=></span> <span class="ident">ParseError</span>::<span class="ident">Header</span>,
<span class="ident">httparse</span>::<span class="ident">Error</span>::<span class="ident">Status</span> <span class="op">=></span> <span class="ident">ParseError</span>::<span class="ident">Status</span>,
<span class="ident">httparse</span>::<span class="ident">Error</span>::<span class="ident">TooManyHeaders</span> <span class="op">=></span> <span class="ident">ParseError</span>::<span class="ident">TooLarge</span>,
<span class="ident">httparse</span>::<span class="ident">Error</span>::<span class="ident">Version</span> <span class="op">=></span> <span class="ident">ParseError</span>::<span class="ident">Version</span>,
}
}
}
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Fail</span>, <span class="ident">Debug</span>)]</span>
<span class="doccomment">/// A set of errors that can occur during payload parsing</span>
<span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">PayloadError</span> {
<span class="doccomment">/// A payload reached EOF, but is not complete.</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"A payload reached EOF, but is not complete."</span>)]</span>
<span class="ident">Incomplete</span>,
<span class="doccomment">/// Content encoding stream corruption</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Can not decode content-encoding."</span>)]</span>
<span class="ident">EncodingCorrupted</span>,
<span class="doccomment">/// A payload reached size limit.</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"A payload reached size limit."</span>)]</span>
<span class="ident">Overflow</span>,
<span class="doccomment">/// A payload length is unknown.</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"A payload length is unknown."</span>)]</span>
<span class="ident">UnknownLength</span>,
<span class="doccomment">/// Io error</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"{}"</span>, <span class="ident">_0</span>)]</span>
<span class="ident">Io</span>(<span class="attribute">#[<span class="ident">cause</span>]</span> <span class="ident">IoError</span>),
<span class="doccomment">/// Http2 error</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"{}"</span>, <span class="ident">_0</span>)]</span>
<span class="ident">Http2</span>(<span class="attribute">#[<span class="ident">cause</span>]</span> <span class="ident">Http2Error</span>),
}
<span class="kw">impl</span> <span class="ident">From</span><span class="op"><</span><span class="ident">IoError</span><span class="op">></span> <span class="kw">for</span> <span class="ident">PayloadError</span> {
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">err</span>: <span class="ident">IoError</span>) <span class="op">-></span> <span class="ident">PayloadError</span> {
<span class="ident">PayloadError</span>::<span class="ident">Io</span>(<span class="ident">err</span>)
}
}
<span class="doccomment">/// `PayloadError` returns two possible results:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// - `Overflow` returns `PayloadTooLarge`</span>
<span class="doccomment">/// - Other errors returns `BadRequest`</span>
<span class="kw">impl</span> <span class="ident">ResponseError</span> <span class="kw">for</span> <span class="ident">PayloadError</span> {
<span class="kw">fn</span> <span class="ident">error_response</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">HttpResponse</span> {
<span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span> {
<span class="ident">PayloadError</span>::<span class="ident">Overflow</span> <span class="op">=></span> <span class="ident">HttpResponse</span>::<span class="ident">new</span>(<span class="ident">StatusCode</span>::<span class="ident">PAYLOAD_TOO_LARGE</span>),
<span class="kw">_</span> <span class="op">=></span> <span class="ident">HttpResponse</span>::<span class="ident">new</span>(<span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>),
}
}
}
<span class="doccomment">/// Return `BadRequest` for `cookie::ParseError`</span>
<span class="kw">impl</span> <span class="ident">ResponseError</span> <span class="kw">for</span> <span class="ident">cookie</span>::<span class="ident">ParseError</span> {
<span class="kw">fn</span> <span class="ident">error_response</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">HttpResponse</span> {
<span class="ident">HttpResponse</span>::<span class="ident">new</span>(<span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>)
}
}
<span class="doccomment">/// A set of errors that can occur during parsing multipart streams</span>
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Fail</span>, <span class="ident">Debug</span>)]</span>
<span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">MultipartError</span> {
<span class="doccomment">/// Content-Type header is not found</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"No Content-type header found"</span>)]</span>
<span class="ident">NoContentType</span>,
<span class="doccomment">/// Can not parse Content-Type header</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Can not parse Content-Type header"</span>)]</span>
<span class="ident">ParseContentType</span>,
<span class="doccomment">/// Multipart boundary is not found</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Multipart boundary is not found"</span>)]</span>
<span class="ident">Boundary</span>,
<span class="doccomment">/// Multipart stream is incomplete</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Multipart stream is incomplete"</span>)]</span>
<span class="ident">Incomplete</span>,
<span class="doccomment">/// Error during field parsing</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"{}"</span>, <span class="ident">_0</span>)]</span>
<span class="ident">Parse</span>(<span class="attribute">#[<span class="ident">cause</span>]</span> <span class="ident">ParseError</span>),
<span class="doccomment">/// Payload error</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"{}"</span>, <span class="ident">_0</span>)]</span>
<span class="ident">Payload</span>(<span class="attribute">#[<span class="ident">cause</span>]</span> <span class="ident">PayloadError</span>),
}
<span class="kw">impl</span> <span class="ident">From</span><span class="op"><</span><span class="ident">ParseError</span><span class="op">></span> <span class="kw">for</span> <span class="ident">MultipartError</span> {
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">err</span>: <span class="ident">ParseError</span>) <span class="op">-></span> <span class="ident">MultipartError</span> {
<span class="ident">MultipartError</span>::<span class="ident">Parse</span>(<span class="ident">err</span>)
}
}
<span class="kw">impl</span> <span class="ident">From</span><span class="op"><</span><span class="ident">PayloadError</span><span class="op">></span> <span class="kw">for</span> <span class="ident">MultipartError</span> {
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">err</span>: <span class="ident">PayloadError</span>) <span class="op">-></span> <span class="ident">MultipartError</span> {
<span class="ident">MultipartError</span>::<span class="ident">Payload</span>(<span class="ident">err</span>)
}
}
<span class="doccomment">/// Return `BadRequest` for `MultipartError`</span>
<span class="kw">impl</span> <span class="ident">ResponseError</span> <span class="kw">for</span> <span class="ident">MultipartError</span> {
<span class="kw">fn</span> <span class="ident">error_response</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">HttpResponse</span> {
<span class="ident">HttpResponse</span>::<span class="ident">new</span>(<span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>)
}
}
<span class="doccomment">/// Error during handling `Expect` header</span>
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Fail</span>, <span class="ident">PartialEq</span>, <span class="ident">Debug</span>)]</span>
<span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">ExpectError</span> {
<span class="doccomment">/// Expect header value can not be converted to utf8</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Expect header value can not be converted to utf8"</span>)]</span>
<span class="ident">Encoding</span>,
<span class="doccomment">/// Unknown expect value</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Unknown expect value"</span>)]</span>
<span class="ident">UnknownExpect</span>,
}
<span class="kw">impl</span> <span class="ident">ResponseError</span> <span class="kw">for</span> <span class="ident">ExpectError</span> {
<span class="kw">fn</span> <span class="ident">error_response</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">HttpResponse</span> {
<span class="ident">HttpResponse</span>::<span class="ident">with_body</span>(<span class="ident">StatusCode</span>::<span class="ident">EXPECTATION_FAILED</span>, <span class="string">"Unknown Expect"</span>)
}
}
<span class="doccomment">/// A set of error that can occure during parsing content type</span>
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Fail</span>, <span class="ident">PartialEq</span>, <span class="ident">Debug</span>)]</span>
<span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">ContentTypeError</span> {
<span class="doccomment">/// Can not parse content type</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Can not parse content type"</span>)]</span>
<span class="ident">ParseError</span>,
<span class="doccomment">/// Unknown content encoding</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Unknown content encoding"</span>)]</span>
<span class="ident">UnknownEncoding</span>,
}
<span class="doccomment">/// Return `BadRequest` for `ContentTypeError`</span>
<span class="kw">impl</span> <span class="ident">ResponseError</span> <span class="kw">for</span> <span class="ident">ContentTypeError</span> {
<span class="kw">fn</span> <span class="ident">error_response</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">HttpResponse</span> {
<span class="ident">HttpResponse</span>::<span class="ident">new</span>(<span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>)
}
}
<span class="doccomment">/// A set of errors that can occur during parsing urlencoded payloads</span>
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Fail</span>, <span class="ident">Debug</span>)]</span>
<span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">UrlencodedError</span> {
<span class="doccomment">/// Can not decode chunked transfer encoding</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Can not decode chunked transfer encoding"</span>)]</span>
<span class="ident">Chunked</span>,
<span class="doccomment">/// Payload size is bigger than allowed. (default: 256kB)</span>
<span class="attribute">#[<span class="ident">fail</span>(
<span class="ident">display</span> <span class="op">=</span> <span class="string">"Urlencoded payload size is bigger than allowed. (default: 256kB)"</span>
)]</span>
<span class="ident">Overflow</span>,
<span class="doccomment">/// Payload size is now known</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Payload size is now known"</span>)]</span>
<span class="ident">UnknownLength</span>,
<span class="doccomment">/// Content type error</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Content type error"</span>)]</span>
<span class="ident">ContentType</span>,
<span class="doccomment">/// Parse error</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Parse error"</span>)]</span>
<span class="ident">Parse</span>,
<span class="doccomment">/// Payload error</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Error that occur during reading payload: {}"</span>, <span class="ident">_0</span>)]</span>
<span class="ident">Payload</span>(<span class="attribute">#[<span class="ident">cause</span>]</span> <span class="ident">PayloadError</span>),
}
<span class="doccomment">/// Return `BadRequest` for `UrlencodedError`</span>
<span class="kw">impl</span> <span class="ident">ResponseError</span> <span class="kw">for</span> <span class="ident">UrlencodedError</span> {
<span class="kw">fn</span> <span class="ident">error_response</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">HttpResponse</span> {
<span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span> {
<span class="ident">UrlencodedError</span>::<span class="ident">Overflow</span> <span class="op">=></span> {
<span class="ident">HttpResponse</span>::<span class="ident">new</span>(<span class="ident">StatusCode</span>::<span class="ident">PAYLOAD_TOO_LARGE</span>)
}
<span class="ident">UrlencodedError</span>::<span class="ident">UnknownLength</span> <span class="op">=></span> {
<span class="ident">HttpResponse</span>::<span class="ident">new</span>(<span class="ident">StatusCode</span>::<span class="ident">LENGTH_REQUIRED</span>)
}
<span class="kw">_</span> <span class="op">=></span> <span class="ident">HttpResponse</span>::<span class="ident">new</span>(<span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>),
}
}
}
<span class="kw">impl</span> <span class="ident">From</span><span class="op"><</span><span class="ident">PayloadError</span><span class="op">></span> <span class="kw">for</span> <span class="ident">UrlencodedError</span> {
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">err</span>: <span class="ident">PayloadError</span>) <span class="op">-></span> <span class="ident">UrlencodedError</span> {
<span class="ident">UrlencodedError</span>::<span class="ident">Payload</span>(<span class="ident">err</span>)
}
}
<span class="doccomment">/// A set of errors that can occur during parsing json payloads</span>
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Fail</span>, <span class="ident">Debug</span>)]</span>
<span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">JsonPayloadError</span> {
<span class="doccomment">/// Payload size is bigger than allowed. (default: 256kB)</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Json payload size is bigger than allowed. (default: 256kB)"</span>)]</span>
<span class="ident">Overflow</span>,
<span class="doccomment">/// Content type error</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Content type error"</span>)]</span>
<span class="ident">ContentType</span>,
<span class="doccomment">/// Deserialize error</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Json deserialize error: {}"</span>, <span class="ident">_0</span>)]</span>
<span class="ident">Deserialize</span>(<span class="attribute">#[<span class="ident">cause</span>]</span> <span class="ident">JsonError</span>),
<span class="doccomment">/// Payload error</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Error that occur during reading payload: {}"</span>, <span class="ident">_0</span>)]</span>
<span class="ident">Payload</span>(<span class="attribute">#[<span class="ident">cause</span>]</span> <span class="ident">PayloadError</span>),
}
<span class="doccomment">/// Return `BadRequest` for `UrlencodedError`</span>
<span class="kw">impl</span> <span class="ident">ResponseError</span> <span class="kw">for</span> <span class="ident">JsonPayloadError</span> {
<span class="kw">fn</span> <span class="ident">error_response</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">HttpResponse</span> {
<span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span> {
<span class="ident">JsonPayloadError</span>::<span class="ident">Overflow</span> <span class="op">=></span> {
<span class="ident">HttpResponse</span>::<span class="ident">new</span>(<span class="ident">StatusCode</span>::<span class="ident">PAYLOAD_TOO_LARGE</span>)
}
<span class="kw">_</span> <span class="op">=></span> <span class="ident">HttpResponse</span>::<span class="ident">new</span>(<span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>),
}
}
}
<span class="kw">impl</span> <span class="ident">From</span><span class="op"><</span><span class="ident">PayloadError</span><span class="op">></span> <span class="kw">for</span> <span class="ident">JsonPayloadError</span> {
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">err</span>: <span class="ident">PayloadError</span>) <span class="op">-></span> <span class="ident">JsonPayloadError</span> {
<span class="ident">JsonPayloadError</span>::<span class="ident">Payload</span>(<span class="ident">err</span>)
}
}
<span class="kw">impl</span> <span class="ident">From</span><span class="op"><</span><span class="ident">JsonError</span><span class="op">></span> <span class="kw">for</span> <span class="ident">JsonPayloadError</span> {
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">err</span>: <span class="ident">JsonError</span>) <span class="op">-></span> <span class="ident">JsonPayloadError</span> {
<span class="ident">JsonPayloadError</span>::<span class="ident">Deserialize</span>(<span class="ident">err</span>)
}
}
<span class="doccomment">/// Error type returned when reading body as lines.</span>
<span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">ReadlinesError</span> {
<span class="doccomment">/// Error when decoding a line.</span>
<span class="ident">EncodingError</span>,
<span class="doccomment">/// Payload error.</span>
<span class="ident">PayloadError</span>(<span class="ident">PayloadError</span>),
<span class="doccomment">/// Line limit exceeded.</span>
<span class="ident">LimitOverflow</span>,
<span class="doccomment">/// ContentType error.</span>
<span class="ident">ContentTypeError</span>(<span class="ident">ContentTypeError</span>),
}
<span class="kw">impl</span> <span class="ident">From</span><span class="op"><</span><span class="ident">PayloadError</span><span class="op">></span> <span class="kw">for</span> <span class="ident">ReadlinesError</span> {
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">err</span>: <span class="ident">PayloadError</span>) <span class="op">-></span> <span class="self">Self</span> {
<span class="ident">ReadlinesError</span>::<span class="ident">PayloadError</span>(<span class="ident">err</span>)
}
}
<span class="kw">impl</span> <span class="ident">From</span><span class="op"><</span><span class="ident">ContentTypeError</span><span class="op">></span> <span class="kw">for</span> <span class="ident">ReadlinesError</span> {
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">err</span>: <span class="ident">ContentTypeError</span>) <span class="op">-></span> <span class="self">Self</span> {
<span class="ident">ReadlinesError</span>::<span class="ident">ContentTypeError</span>(<span class="ident">err</span>)
}
}
<span class="doccomment">/// Errors which can occur when attempting to interpret a segment string as a</span>
<span class="doccomment">/// valid path segment.</span>
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Fail</span>, <span class="ident">Debug</span>, <span class="ident">PartialEq</span>)]</span>
<span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">UriSegmentError</span> {
<span class="doccomment">/// The segment started with the wrapped invalid character.</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"The segment started with the wrapped invalid character"</span>)]</span>
<span class="ident">BadStart</span>(<span class="ident">char</span>),
<span class="doccomment">/// The segment contained the wrapped invalid character.</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"The segment contained the wrapped invalid character"</span>)]</span>
<span class="ident">BadChar</span>(<span class="ident">char</span>),
<span class="doccomment">/// The segment ended with the wrapped invalid character.</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"The segment ended with the wrapped invalid character"</span>)]</span>
<span class="ident">BadEnd</span>(<span class="ident">char</span>),
}
<span class="doccomment">/// Return `BadRequest` for `UriSegmentError`</span>
<span class="kw">impl</span> <span class="ident">ResponseError</span> <span class="kw">for</span> <span class="ident">UriSegmentError</span> {
<span class="kw">fn</span> <span class="ident">error_response</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">HttpResponse</span> {
<span class="ident">HttpResponse</span>::<span class="ident">new</span>(<span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>)
}
}
<span class="doccomment">/// Errors which can occur when attempting to generate resource uri.</span>
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Fail</span>, <span class="ident">Debug</span>, <span class="ident">PartialEq</span>)]</span>
<span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">UrlGenerationError</span> {
<span class="doccomment">/// Resource not found</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Resource not found"</span>)]</span>
<span class="ident">ResourceNotFound</span>,
<span class="doccomment">/// Not all path pattern covered</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Not all path pattern covered"</span>)]</span>
<span class="ident">NotEnoughElements</span>,
<span class="doccomment">/// URL parse error</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"{}"</span>, <span class="ident">_0</span>)]</span>
<span class="ident">ParseError</span>(<span class="attribute">#[<span class="ident">cause</span>]</span> <span class="ident">UrlParseError</span>),
}
<span class="doccomment">/// `InternalServerError` for `UrlGeneratorError`</span>
<span class="kw">impl</span> <span class="ident">ResponseError</span> <span class="kw">for</span> <span class="ident">UrlGenerationError</span> {}
<span class="kw">impl</span> <span class="ident">From</span><span class="op"><</span><span class="ident">UrlParseError</span><span class="op">></span> <span class="kw">for</span> <span class="ident">UrlGenerationError</span> {
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">err</span>: <span class="ident">UrlParseError</span>) <span class="op">-></span> <span class="self">Self</span> {
<span class="ident">UrlGenerationError</span>::<span class="ident">ParseError</span>(<span class="ident">err</span>)
}
}
<span class="doccomment">/// Errors which can occur when serving static files.</span>
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Fail</span>, <span class="ident">Debug</span>, <span class="ident">PartialEq</span>)]</span>
<span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">StaticFileError</span> {
<span class="doccomment">/// Path is not a directory</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Path is not a directory. Unable to serve static files"</span>)]</span>
<span class="ident">IsNotDirectory</span>,
<span class="doccomment">/// Cannot render directory</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"Unable to render directory without index file"</span>)]</span>
<span class="ident">IsDirectory</span>,
}
<span class="doccomment">/// Return `NotFound` for `StaticFileError`</span>
<span class="kw">impl</span> <span class="ident">ResponseError</span> <span class="kw">for</span> <span class="ident">StaticFileError</span> {
<span class="kw">fn</span> <span class="ident">error_response</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">HttpResponse</span> {
<span class="ident">HttpResponse</span>::<span class="ident">new</span>(<span class="ident">StatusCode</span>::<span class="ident">NOT_FOUND</span>)
}
}
<span class="doccomment">/// Helper type that can wrap any error and generate custom response.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// In following example any `io::Error` will be converted into "BAD REQUEST"</span>
<span class="doccomment">/// response as opposite to *INTERNAL SERVER ERROR* which is defined by</span>
<span class="doccomment">/// default.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```rust</span>
<span class="doccomment">/// # extern crate actix_web;</span>
<span class="doccomment">/// # use actix_web::*;</span>
<span class="doccomment">/// use actix_web::fs::NamedFile;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// fn index(req: HttpRequest) -> Result<fs::NamedFile> {</span>
<span class="doccomment">/// let f = NamedFile::open("test.txt").map_err(error::ErrorBadRequest)?;</span>
<span class="doccomment">/// Ok(f)</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// # fn main() {}</span>
<span class="doccomment">/// ```</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">InternalError</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> {
<span class="ident">cause</span>: <span class="ident">T</span>,
<span class="ident">status</span>: <span class="ident">InternalErrorType</span>,
<span class="ident">backtrace</span>: <span class="ident">Backtrace</span>,
}
<span class="kw">enum</span> <span class="ident">InternalErrorType</span> {
<span class="ident">Status</span>(<span class="ident">StatusCode</span>),
<span class="ident">Response</span>(<span class="ident">Box</span><span class="op"><</span><span class="ident">Mutex</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">HttpResponseParts</span><span class="op">>></span><span class="op">></span>),
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="ident">InternalError</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> {
<span class="doccomment">/// Create `InternalError` instance</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">cause</span>: <span class="ident">T</span>, <span class="ident">status</span>: <span class="ident">StatusCode</span>) <span class="op">-></span> <span class="self">Self</span> {
<span class="ident">InternalError</span> {
<span class="ident">cause</span>,
<span class="ident">status</span>: <span class="ident">InternalErrorType</span>::<span class="ident">Status</span>(<span class="ident">status</span>),
<span class="ident">backtrace</span>: <span class="ident">Backtrace</span>::<span class="ident">new</span>(),
}
}
<span class="doccomment">/// Create `InternalError` with predefined `HttpResponse`.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">from_response</span>(<span class="ident">cause</span>: <span class="ident">T</span>, <span class="ident">response</span>: <span class="ident">HttpResponse</span>) <span class="op">-></span> <span class="self">Self</span> {
<span class="kw">let</span> <span class="ident">resp</span> <span class="op">=</span> <span class="ident">response</span>.<span class="ident">into_parts</span>();
<span class="ident">InternalError</span> {
<span class="ident">cause</span>,
<span class="ident">status</span>: <span class="ident">InternalErrorType</span>::<span class="ident">Response</span>(<span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">Mutex</span>::<span class="ident">new</span>(<span class="prelude-val">Some</span>(<span class="ident">resp</span>)))),
<span class="ident">backtrace</span>: <span class="ident">Backtrace</span>::<span class="ident">new</span>(),
}
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="ident">Fail</span> <span class="kw">for</span> <span class="ident">InternalError</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="op">+</span> <span class="lifetime">'static</span>,
{
<span class="kw">fn</span> <span class="ident">backtrace</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw-2">&</span><span class="ident">Backtrace</span><span class="op">></span> {
<span class="prelude-val">Some</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">backtrace</span>)
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="kw">for</span> <span class="ident">InternalError</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="op">+</span> <span class="lifetime">'static</span>,
{
<span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">fmt</span>::<span class="ident">Formatter</span>) <span class="op">-></span> <span class="ident">fmt</span>::<span class="prelude-ty">Result</span> {
<span class="ident">fmt</span>::<span class="ident">Debug</span>::<span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">cause</span>, <span class="ident">f</span>)
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="kw">for</span> <span class="ident">InternalError</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="op">+</span> <span class="lifetime">'static</span>,
{
<span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">fmt</span>::<span class="ident">Formatter</span>) <span class="op">-></span> <span class="ident">fmt</span>::<span class="prelude-ty">Result</span> {
<span class="ident">fmt</span>::<span class="ident">Display</span>::<span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">cause</span>, <span class="ident">f</span>)
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="ident">ResponseError</span> <span class="kw">for</span> <span class="ident">InternalError</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="op">+</span> <span class="lifetime">'static</span>,
{
<span class="kw">fn</span> <span class="ident">error_response</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">HttpResponse</span> {
<span class="kw">match</span> <span class="self">self</span>.<span class="ident">status</span> {
<span class="ident">InternalErrorType</span>::<span class="ident">Status</span>(<span class="ident">st</span>) <span class="op">=></span> <span class="ident">HttpResponse</span>::<span class="ident">new</span>(<span class="ident">st</span>),
<span class="ident">InternalErrorType</span>::<span class="ident">Response</span>(<span class="kw-2">ref</span> <span class="ident">resp</span>) <span class="op">=></span> {
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">resp</span>) <span class="op">=</span> <span class="ident">resp</span>.<span class="ident">lock</span>().<span class="ident">unwrap</span>().<span class="ident">take</span>() {
<span class="ident">HttpResponse</span>::<span class="ident">from_parts</span>(<span class="ident">resp</span>)
} <span class="kw">else</span> {
<span class="ident">HttpResponse</span>::<span class="ident">new</span>(<span class="ident">StatusCode</span>::<span class="ident">INTERNAL_SERVER_ERROR</span>)
}
}
}
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="ident">Responder</span> <span class="kw">for</span> <span class="ident">InternalError</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="op">+</span> <span class="lifetime">'static</span>,
{
<span class="kw">type</span> <span class="ident">Item</span> <span class="op">=</span> <span class="ident">HttpResponse</span>;
<span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">Error</span>;
<span class="kw">fn</span> <span class="ident">respond_to</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>(<span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&</span><span class="ident">HttpRequest</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>) <span class="op">-></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">HttpResponse</span>, <span class="ident">Error</span><span class="op">></span> {
<span class="prelude-val">Err</span>(<span class="self">self</span>.<span class="ident">into</span>())
}
}
<span class="doccomment">/// Helper function that creates wrapper of any error and generate *BAD</span>
<span class="doccomment">/// REQUEST* response.</span>
<span class="attribute">#[<span class="ident">allow</span>(<span class="ident">non_snake_case</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">ErrorBadRequest</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="ident">err</span>: <span class="ident">T</span>) <span class="op">-></span> <span class="ident">Error</span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="op">+</span> <span class="lifetime">'static</span>,
{
<span class="ident">InternalError</span>::<span class="ident">new</span>(<span class="ident">err</span>, <span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>).<span class="ident">into</span>()
}
<span class="doccomment">/// Helper function that creates wrapper of any error and generate</span>
<span class="doccomment">/// *UNAUTHORIZED* response.</span>
<span class="attribute">#[<span class="ident">allow</span>(<span class="ident">non_snake_case</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">ErrorUnauthorized</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="ident">err</span>: <span class="ident">T</span>) <span class="op">-></span> <span class="ident">Error</span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="op">+</span> <span class="lifetime">'static</span>,
{
<span class="ident">InternalError</span>::<span class="ident">new</span>(<span class="ident">err</span>, <span class="ident">StatusCode</span>::<span class="ident">UNAUTHORIZED</span>).<span class="ident">into</span>()
}
<span class="doccomment">/// Helper function that creates wrapper of any error and generate *FORBIDDEN*</span>
<span class="doccomment">/// response.</span>
<span class="attribute">#[<span class="ident">allow</span>(<span class="ident">non_snake_case</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">ErrorForbidden</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="ident">err</span>: <span class="ident">T</span>) <span class="op">-></span> <span class="ident">Error</span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="op">+</span> <span class="lifetime">'static</span>,
{
<span class="ident">InternalError</span>::<span class="ident">new</span>(<span class="ident">err</span>, <span class="ident">StatusCode</span>::<span class="ident">FORBIDDEN</span>).<span class="ident">into</span>()
}
<span class="doccomment">/// Helper function that creates wrapper of any error and generate *NOT FOUND*</span>
<span class="doccomment">/// response.</span>
<span class="attribute">#[<span class="ident">allow</span>(<span class="ident">non_snake_case</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">ErrorNotFound</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="ident">err</span>: <span class="ident">T</span>) <span class="op">-></span> <span class="ident">Error</span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="op">+</span> <span class="lifetime">'static</span>,
{
<span class="ident">InternalError</span>::<span class="ident">new</span>(<span class="ident">err</span>, <span class="ident">StatusCode</span>::<span class="ident">NOT_FOUND</span>).<span class="ident">into</span>()
}
<span class="doccomment">/// Helper function that creates wrapper of any error and generate *METHOD NOT</span>
<span class="doccomment">/// ALLOWED* response.</span>
<span class="attribute">#[<span class="ident">allow</span>(<span class="ident">non_snake_case</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">ErrorMethodNotAllowed</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="ident">err</span>: <span class="ident">T</span>) <span class="op">-></span> <span class="ident">Error</span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="op">+</span> <span class="lifetime">'static</span>,
{
<span class="ident">InternalError</span>::<span class="ident">new</span>(<span class="ident">err</span>, <span class="ident">StatusCode</span>::<span class="ident">METHOD_NOT_ALLOWED</span>).<span class="ident">into</span>()
}
<span class="doccomment">/// Helper function that creates wrapper of any error and generate *REQUEST</span>
<span class="doccomment">/// TIMEOUT* response.</span>
<span class="attribute">#[<span class="ident">allow</span>(<span class="ident">non_snake_case</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">ErrorRequestTimeout</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="ident">err</span>: <span class="ident">T</span>) <span class="op">-></span> <span class="ident">Error</span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="op">+</span> <span class="lifetime">'static</span>,
{
<span class="ident">InternalError</span>::<span class="ident">new</span>(<span class="ident">err</span>, <span class="ident">StatusCode</span>::<span class="ident">REQUEST_TIMEOUT</span>).<span class="ident">into</span>()
}
<span class="doccomment">/// Helper function that creates wrapper of any error and generate *CONFLICT*</span>
<span class="doccomment">/// response.</span>
<span class="attribute">#[<span class="ident">allow</span>(<span class="ident">non_snake_case</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">ErrorConflict</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="ident">err</span>: <span class="ident">T</span>) <span class="op">-></span> <span class="ident">Error</span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="op">+</span> <span class="lifetime">'static</span>,
{
<span class="ident">InternalError</span>::<span class="ident">new</span>(<span class="ident">err</span>, <span class="ident">StatusCode</span>::<span class="ident">CONFLICT</span>).<span class="ident">into</span>()
}
<span class="doccomment">/// Helper function that creates wrapper of any error and generate *GONE*</span>
<span class="doccomment">/// response.</span>
<span class="attribute">#[<span class="ident">allow</span>(<span class="ident">non_snake_case</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">ErrorGone</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="ident">err</span>: <span class="ident">T</span>) <span class="op">-></span> <span class="ident">Error</span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="op">+</span> <span class="lifetime">'static</span>,
{
<span class="ident">InternalError</span>::<span class="ident">new</span>(<span class="ident">err</span>, <span class="ident">StatusCode</span>::<span class="ident">GONE</span>).<span class="ident">into</span>()
}
<span class="doccomment">/// Helper function that creates wrapper of any error and generate</span>
<span class="doccomment">/// *PRECONDITION FAILED* response.</span>
<span class="attribute">#[<span class="ident">allow</span>(<span class="ident">non_snake_case</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">ErrorPreconditionFailed</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="ident">err</span>: <span class="ident">T</span>) <span class="op">-></span> <span class="ident">Error</span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="op">+</span> <span class="lifetime">'static</span>,
{
<span class="ident">InternalError</span>::<span class="ident">new</span>(<span class="ident">err</span>, <span class="ident">StatusCode</span>::<span class="ident">PRECONDITION_FAILED</span>).<span class="ident">into</span>()
}
<span class="doccomment">/// Helper function that creates wrapper of any error and generate</span>
<span class="doccomment">/// *EXPECTATION FAILED* response.</span>
<span class="attribute">#[<span class="ident">allow</span>(<span class="ident">non_snake_case</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">ErrorExpectationFailed</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="ident">err</span>: <span class="ident">T</span>) <span class="op">-></span> <span class="ident">Error</span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="op">+</span> <span class="lifetime">'static</span>,
{
<span class="ident">InternalError</span>::<span class="ident">new</span>(<span class="ident">err</span>, <span class="ident">StatusCode</span>::<span class="ident">EXPECTATION_FAILED</span>).<span class="ident">into</span>()
}
<span class="doccomment">/// Helper function that creates wrapper of any error and</span>
<span class="doccomment">/// generate *INTERNAL SERVER ERROR* response.</span>
<span class="attribute">#[<span class="ident">allow</span>(<span class="ident">non_snake_case</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">ErrorInternalServerError</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="ident">err</span>: <span class="ident">T</span>) <span class="op">-></span> <span class="ident">Error</span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="op">+</span> <span class="lifetime">'static</span>,
{
<span class="ident">InternalError</span>::<span class="ident">new</span>(<span class="ident">err</span>, <span class="ident">StatusCode</span>::<span class="ident">INTERNAL_SERVER_ERROR</span>).<span class="ident">into</span>()
}
<span class="doccomment">/// Helper function that creates wrapper of any error and</span>
<span class="doccomment">/// generate *NOT IMPLEMENTED* response.</span>
<span class="attribute">#[<span class="ident">allow</span>(<span class="ident">non_snake_case</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">ErrorNotImplemented</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="ident">err</span>: <span class="ident">T</span>) <span class="op">-></span> <span class="ident">Error</span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="op">+</span> <span class="lifetime">'static</span>,
{
<span class="ident">InternalError</span>::<span class="ident">new</span>(<span class="ident">err</span>, <span class="ident">StatusCode</span>::<span class="ident">NOT_IMPLEMENTED</span>).<span class="ident">into</span>()
}
<span class="doccomment">/// Helper function that creates wrapper of any error and</span>
<span class="doccomment">/// generate *BAD GATEWAY* response.</span>
<span class="attribute">#[<span class="ident">allow</span>(<span class="ident">non_snake_case</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">ErrorBadGateway</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="ident">err</span>: <span class="ident">T</span>) <span class="op">-></span> <span class="ident">Error</span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="op">+</span> <span class="lifetime">'static</span>,
{
<span class="ident">InternalError</span>::<span class="ident">new</span>(<span class="ident">err</span>, <span class="ident">StatusCode</span>::<span class="ident">BAD_GATEWAY</span>).<span class="ident">into</span>()
}
<span class="doccomment">/// Helper function that creates wrapper of any error and</span>
<span class="doccomment">/// generate *SERVICE UNAVAILABLE* response.</span>
<span class="attribute">#[<span class="ident">allow</span>(<span class="ident">non_snake_case</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">ErrorServiceUnavailable</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="ident">err</span>: <span class="ident">T</span>) <span class="op">-></span> <span class="ident">Error</span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="op">+</span> <span class="lifetime">'static</span>,
{
<span class="ident">InternalError</span>::<span class="ident">new</span>(<span class="ident">err</span>, <span class="ident">StatusCode</span>::<span class="ident">SERVICE_UNAVAILABLE</span>).<span class="ident">into</span>()
}
<span class="doccomment">/// Helper function that creates wrapper of any error and</span>
<span class="doccomment">/// generate *GATEWAY TIMEOUT* response.</span>
<span class="attribute">#[<span class="ident">allow</span>(<span class="ident">non_snake_case</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">ErrorGatewayTimeout</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="ident">err</span>: <span class="ident">T</span>) <span class="op">-></span> <span class="ident">Error</span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="op">+</span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="op">+</span> <span class="lifetime">'static</span>,
{
<span class="ident">InternalError</span>::<span class="ident">new</span>(<span class="ident">err</span>, <span class="ident">StatusCode</span>::<span class="ident">GATEWAY_TIMEOUT</span>).<span class="ident">into</span>()
}
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">test</span>)]</span>
<span class="kw">mod</span> <span class="ident">tests</span> {
<span class="kw">use</span> <span class="kw">super</span>::<span class="kw-2">*</span>;
<span class="kw">use</span> <span class="ident">cookie</span>::<span class="ident">ParseError</span> <span class="kw">as</span> <span class="ident">CookieParseError</span>;
<span class="kw">use</span> <span class="ident">failure</span>;
<span class="kw">use</span> <span class="ident">http</span>::{<span class="ident">Error</span> <span class="kw">as</span> <span class="ident">HttpError</span>, <span class="ident">StatusCode</span>};
<span class="kw">use</span> <span class="ident">httparse</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">env</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">error</span>::<span class="ident">Error</span> <span class="kw">as</span> <span class="ident">StdError</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>;
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">actix_nightly</span>)]</span>
<span class="kw">fn</span> <span class="ident">test_nightly</span>() {
<span class="kw">let</span> <span class="ident">resp</span>: <span class="ident">HttpResponse</span> <span class="op">=</span>
<span class="ident">IoError</span>::<span class="ident">new</span>(<span class="ident">io</span>::<span class="ident">ErrorKind</span>::<span class="ident">Other</span>, <span class="string">"test"</span>).<span class="ident">error_response</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">resp</span>.<span class="ident">status</span>(), <span class="ident">StatusCode</span>::<span class="ident">INTERNAL_SERVER_ERROR</span>);
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_into_response</span>() {
<span class="kw">let</span> <span class="ident">resp</span>: <span class="ident">HttpResponse</span> <span class="op">=</span> <span class="ident">ParseError</span>::<span class="ident">Incomplete</span>.<span class="ident">error_response</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">resp</span>.<span class="ident">status</span>(), <span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>);
<span class="kw">let</span> <span class="ident">resp</span>: <span class="ident">HttpResponse</span> <span class="op">=</span> <span class="ident">CookieParseError</span>::<span class="ident">EmptyName</span>.<span class="ident">error_response</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">resp</span>.<span class="ident">status</span>(), <span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>);
<span class="kw">let</span> <span class="ident">resp</span>: <span class="ident">HttpResponse</span> <span class="op">=</span> <span class="ident">MultipartError</span>::<span class="ident">Boundary</span>.<span class="ident">error_response</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">resp</span>.<span class="ident">status</span>(), <span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>);
<span class="kw">let</span> <span class="ident">err</span>: <span class="ident">HttpError</span> <span class="op">=</span> <span class="ident">StatusCode</span>::<span class="ident">from_u16</span>(<span class="number">10000</span>).<span class="ident">err</span>().<span class="ident">unwrap</span>().<span class="ident">into</span>();
<span class="kw">let</span> <span class="ident">resp</span>: <span class="ident">HttpResponse</span> <span class="op">=</span> <span class="ident">err</span>.<span class="ident">error_response</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">resp</span>.<span class="ident">status</span>(), <span class="ident">StatusCode</span>::<span class="ident">INTERNAL_SERVER_ERROR</span>);
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_as_fail</span>() {
<span class="kw">let</span> <span class="ident">orig</span> <span class="op">=</span> <span class="ident">io</span>::<span class="ident">Error</span>::<span class="ident">new</span>(<span class="ident">io</span>::<span class="ident">ErrorKind</span>::<span class="ident">Other</span>, <span class="string">"other"</span>);
<span class="kw">let</span> <span class="ident">desc</span> <span class="op">=</span> <span class="ident">orig</span>.<span class="ident">description</span>().<span class="ident">to_owned</span>();
<span class="kw">let</span> <span class="ident">e</span> <span class="op">=</span> <span class="ident">ParseError</span>::<span class="ident">Io</span>(<span class="ident">orig</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">format</span><span class="macro">!</span>(<span class="string">"{}"</span>, <span class="ident">e</span>.<span class="ident">cause</span>().<span class="ident">unwrap</span>()), <span class="ident">desc</span>);
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_backtrace</span>() {
<span class="kw">let</span> <span class="ident">e</span> <span class="op">=</span> <span class="ident">ErrorBadRequest</span>(<span class="string">"err"</span>);
<span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="ident">e</span>.<span class="ident">backtrace</span>();
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_error_cause</span>() {
<span class="kw">let</span> <span class="ident">orig</span> <span class="op">=</span> <span class="ident">io</span>::<span class="ident">Error</span>::<span class="ident">new</span>(<span class="ident">io</span>::<span class="ident">ErrorKind</span>::<span class="ident">Other</span>, <span class="string">"other"</span>);
<span class="kw">let</span> <span class="ident">desc</span> <span class="op">=</span> <span class="ident">orig</span>.<span class="ident">description</span>().<span class="ident">to_owned</span>();
<span class="kw">let</span> <span class="ident">e</span> <span class="op">=</span> <span class="ident">Error</span>::<span class="ident">from</span>(<span class="ident">orig</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">format</span><span class="macro">!</span>(<span class="string">"{}"</span>, <span class="ident">e</span>.<span class="ident">as_fail</span>()), <span class="ident">desc</span>);
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_error_display</span>() {
<span class="kw">let</span> <span class="ident">orig</span> <span class="op">=</span> <span class="ident">io</span>::<span class="ident">Error</span>::<span class="ident">new</span>(<span class="ident">io</span>::<span class="ident">ErrorKind</span>::<span class="ident">Other</span>, <span class="string">"other"</span>);
<span class="kw">let</span> <span class="ident">desc</span> <span class="op">=</span> <span class="ident">orig</span>.<span class="ident">description</span>().<span class="ident">to_owned</span>();
<span class="kw">let</span> <span class="ident">e</span> <span class="op">=</span> <span class="ident">Error</span>::<span class="ident">from</span>(<span class="ident">orig</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">format</span><span class="macro">!</span>(<span class="string">"{}"</span>, <span class="ident">e</span>), <span class="ident">desc</span>);
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_error_http_response</span>() {
<span class="kw">let</span> <span class="ident">orig</span> <span class="op">=</span> <span class="ident">io</span>::<span class="ident">Error</span>::<span class="ident">new</span>(<span class="ident">io</span>::<span class="ident">ErrorKind</span>::<span class="ident">Other</span>, <span class="string">"other"</span>);
<span class="kw">let</span> <span class="ident">e</span> <span class="op">=</span> <span class="ident">Error</span>::<span class="ident">from</span>(<span class="ident">orig</span>);
<span class="kw">let</span> <span class="ident">resp</span>: <span class="ident">HttpResponse</span> <span class="op">=</span> <span class="ident">e</span>.<span class="ident">into</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">resp</span>.<span class="ident">status</span>(), <span class="ident">StatusCode</span>::<span class="ident">INTERNAL_SERVER_ERROR</span>);
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_expect_error</span>() {
<span class="kw">let</span> <span class="ident">resp</span>: <span class="ident">HttpResponse</span> <span class="op">=</span> <span class="ident">ExpectError</span>::<span class="ident">Encoding</span>.<span class="ident">error_response</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">resp</span>.<span class="ident">status</span>(), <span class="ident">StatusCode</span>::<span class="ident">EXPECTATION_FAILED</span>);
<span class="kw">let</span> <span class="ident">resp</span>: <span class="ident">HttpResponse</span> <span class="op">=</span> <span class="ident">ExpectError</span>::<span class="ident">UnknownExpect</span>.<span class="ident">error_response</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">resp</span>.<span class="ident">status</span>(), <span class="ident">StatusCode</span>::<span class="ident">EXPECTATION_FAILED</span>);
}
<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">from</span> {
(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">from</span>:<span class="ident">expr</span> <span class="op">=></span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">error</span>:<span class="ident">pat</span>) <span class="op">=></span> {
<span class="kw">match</span> <span class="ident">ParseError</span>::<span class="ident">from</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">from</span>) {
<span class="ident">e</span> @ <span class="macro-nonterminal">$</span><span class="macro-nonterminal">error</span> <span class="op">=></span> {
<span class="macro">assert</span><span class="macro">!</span>(<span class="macro">format</span><span class="macro">!</span>(<span class="string">"{}"</span>, <span class="ident">e</span>).<span class="ident">len</span>() <span class="op">>=</span> <span class="number">5</span>);
}
<span class="ident">e</span> <span class="op">=></span> <span class="macro">unreachable</span><span class="macro">!</span>(<span class="string">"{:?}"</span>, <span class="ident">e</span>),
}
};
}
<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">from_and_cause</span> {
(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">from</span>:<span class="ident">expr</span> <span class="op">=></span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">error</span>:<span class="ident">pat</span>) <span class="op">=></span> {
<span class="kw">match</span> <span class="ident">ParseError</span>::<span class="ident">from</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">from</span>) {
<span class="ident">e</span> @ <span class="macro-nonterminal">$</span><span class="macro-nonterminal">error</span> <span class="op">=></span> {
<span class="kw">let</span> <span class="ident">desc</span> <span class="op">=</span> <span class="macro">format</span><span class="macro">!</span>(<span class="string">"{}"</span>, <span class="ident">e</span>.<span class="ident">cause</span>().<span class="ident">unwrap</span>());
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">desc</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">from</span>.<span class="ident">description</span>().<span class="ident">to_owned</span>());
}
<span class="kw">_</span> <span class="op">=></span> <span class="macro">unreachable</span><span class="macro">!</span>(<span class="string">"{:?}"</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">from</span>),
}
};
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_from</span>() {
<span class="macro">from_and_cause</span><span class="macro">!</span>(<span class="ident">io</span>::<span class="ident">Error</span>::<span class="ident">new</span>(<span class="ident">io</span>::<span class="ident">ErrorKind</span>::<span class="ident">Other</span>, <span class="string">"other"</span>) <span class="op">=></span> <span class="ident">ParseError</span>::<span class="ident">Io</span>(..));
<span class="macro">from</span><span class="macro">!</span>(<span class="ident">httparse</span>::<span class="ident">Error</span>::<span class="ident">HeaderName</span> <span class="op">=></span> <span class="ident">ParseError</span>::<span class="ident">Header</span>);
<span class="macro">from</span><span class="macro">!</span>(<span class="ident">httparse</span>::<span class="ident">Error</span>::<span class="ident">HeaderName</span> <span class="op">=></span> <span class="ident">ParseError</span>::<span class="ident">Header</span>);
<span class="macro">from</span><span class="macro">!</span>(<span class="ident">httparse</span>::<span class="ident">Error</span>::<span class="ident">HeaderValue</span> <span class="op">=></span> <span class="ident">ParseError</span>::<span class="ident">Header</span>);
<span class="macro">from</span><span class="macro">!</span>(<span class="ident">httparse</span>::<span class="ident">Error</span>::<span class="ident">NewLine</span> <span class="op">=></span> <span class="ident">ParseError</span>::<span class="ident">Header</span>);
<span class="macro">from</span><span class="macro">!</span>(<span class="ident">httparse</span>::<span class="ident">Error</span>::<span class="ident">Status</span> <span class="op">=></span> <span class="ident">ParseError</span>::<span class="ident">Status</span>);
<span class="macro">from</span><span class="macro">!</span>(<span class="ident">httparse</span>::<span class="ident">Error</span>::<span class="ident">Token</span> <span class="op">=></span> <span class="ident">ParseError</span>::<span class="ident">Header</span>);
<span class="macro">from</span><span class="macro">!</span>(<span class="ident">httparse</span>::<span class="ident">Error</span>::<span class="ident">TooManyHeaders</span> <span class="op">=></span> <span class="ident">ParseError</span>::<span class="ident">TooLarge</span>);
<span class="macro">from</span><span class="macro">!</span>(<span class="ident">httparse</span>::<span class="ident">Error</span>::<span class="ident">Version</span> <span class="op">=></span> <span class="ident">ParseError</span>::<span class="ident">Version</span>);
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">failure_error</span>() {
<span class="kw">const</span> <span class="ident">NAME</span>: <span class="kw-2">&</span><span class="ident">str</span> <span class="op">=</span> <span class="string">"RUST_BACKTRACE"</span>;
<span class="kw">let</span> <span class="ident">old_tb</span> <span class="op">=</span> <span class="ident">env</span>::<span class="ident">var</span>(<span class="ident">NAME</span>);
<span class="ident">env</span>::<span class="ident">set_var</span>(<span class="ident">NAME</span>, <span class="string">"0"</span>);
<span class="kw">let</span> <span class="ident">error</span> <span class="op">=</span> <span class="ident">failure</span>::<span class="ident">err_msg</span>(<span class="string">"Hello!"</span>);
<span class="kw">let</span> <span class="ident">resp</span>: <span class="ident">Error</span> <span class="op">=</span> <span class="ident">error</span>.<span class="ident">into</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(
<span class="macro">format</span><span class="macro">!</span>(<span class="string">"{:?}"</span>, <span class="ident">resp</span>),
<span class="string">"Compat { error: ErrorMessage { msg: \"Hello!\" } }\n\n"</span>
);
<span class="kw">match</span> <span class="ident">old_tb</span> {
<span class="prelude-val">Ok</span>(<span class="ident">x</span>) <span class="op">=></span> <span class="ident">env</span>::<span class="ident">set_var</span>(<span class="ident">NAME</span>, <span class="ident">x</span>),
<span class="kw">_</span> <span class="op">=></span> <span class="ident">env</span>::<span class="ident">remove_var</span>(<span class="ident">NAME</span>),
}
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_internal_error</span>() {
<span class="kw">let</span> <span class="ident">err</span> <span class="op">=</span> <span class="ident">InternalError</span>::<span class="ident">from_response</span>(
<span class="ident">ExpectError</span>::<span class="ident">Encoding</span>,
<span class="ident">HttpResponse</span>::<span class="prelude-val">Ok</span>().<span class="ident">into</span>(),
);
<span class="kw">let</span> <span class="ident">resp</span>: <span class="ident">HttpResponse</span> <span class="op">=</span> <span class="ident">err</span>.<span class="ident">error_response</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">resp</span>.<span class="ident">status</span>(), <span class="ident">StatusCode</span>::<span class="ident">OK</span>);
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_error_downcasting_direct</span>() {
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>, <span class="ident">Fail</span>)]</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"demo error"</span>)]</span>
<span class="kw">struct</span> <span class="ident">DemoError</span>;
<span class="kw">impl</span> <span class="ident">ResponseError</span> <span class="kw">for</span> <span class="ident">DemoError</span> {}
<span class="kw">let</span> <span class="ident">err</span>: <span class="ident">Error</span> <span class="op">=</span> <span class="ident">DemoError</span>.<span class="ident">into</span>();
<span class="kw">let</span> <span class="ident">err_ref</span>: <span class="kw-2">&</span><span class="ident">DemoError</span> <span class="op">=</span> <span class="ident">err</span>.<span class="ident">downcast_ref</span>().<span class="ident">unwrap</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">err_ref</span>.<span class="ident">to_string</span>(), <span class="string">"demo error"</span>);
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_error_downcasting_compat</span>() {
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>, <span class="ident">Fail</span>)]</span>
<span class="attribute">#[<span class="ident">fail</span>(<span class="ident">display</span> <span class="op">=</span> <span class="string">"demo error"</span>)]</span>
<span class="kw">struct</span> <span class="ident">DemoError</span>;
<span class="kw">impl</span> <span class="ident">ResponseError</span> <span class="kw">for</span> <span class="ident">DemoError</span> {}
<span class="kw">let</span> <span class="ident">err</span>: <span class="ident">Error</span> <span class="op">=</span> <span class="ident">failure</span>::<span class="ident">Error</span>::<span class="ident">from</span>(<span class="ident">DemoError</span>).<span class="ident">into</span>();
<span class="kw">let</span> <span class="ident">err_ref</span>: <span class="kw-2">&</span><span class="ident">DemoError</span> <span class="op">=</span> <span class="ident">err</span>.<span class="ident">downcast_ref</span>().<span class="ident">unwrap</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">err_ref</span>.<span class="ident">to_string</span>(), <span class="string">"demo error"</span>);
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_error_helpers</span>() {
<span class="kw">let</span> <span class="ident">r</span>: <span class="ident">HttpResponse</span> <span class="op">=</span> <span class="ident">ErrorBadRequest</span>(<span class="string">"err"</span>).<span class="ident">into</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">r</span>.<span class="ident">status</span>(), <span class="ident">StatusCode</span>::<span class="ident">BAD_REQUEST</span>);
<span class="kw">let</span> <span class="ident">r</span>: <span class="ident">HttpResponse</span> <span class="op">=</span> <span class="ident">ErrorUnauthorized</span>(<span class="string">"err"</span>).<span class="ident">into</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">r</span>.<span class="ident">status</span>(), <span class="ident">StatusCode</span>::<span class="ident">UNAUTHORIZED</span>);
<span class="kw">let</span> <span class="ident">r</span>: <span class="ident">HttpResponse</span> <span class="op">=</span> <span class="ident">ErrorForbidden</span>(<span class="string">"err"</span>).<span class="ident">into</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">r</span>.<span class="ident">status</span>(), <span class="ident">StatusCode</span>::<span class="ident">FORBIDDEN</span>);
<span class="kw">let</span> <span class="ident">r</span>: <span class="ident">HttpResponse</span> <span class="op">=</span> <span class="ident">ErrorNotFound</span>(<span class="string">"err"</span>).<span class="ident">into</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">r</span>.<span class="ident">status</span>(), <span class="ident">StatusCode</span>::<span class="ident">NOT_FOUND</span>);
<span class="kw">let</span> <span class="ident">r</span>: <span class="ident">HttpResponse</span> <span class="op">=</span> <span class="ident">ErrorMethodNotAllowed</span>(<span class="string">"err"</span>).<span class="ident">into</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">r</span>.<span class="ident">status</span>(), <span class="ident">StatusCode</span>::<span class="ident">METHOD_NOT_ALLOWED</span>);
<span class="kw">let</span> <span class="ident">r</span>: <span class="ident">HttpResponse</span> <span class="op">=</span> <span class="ident">ErrorRequestTimeout</span>(<span class="string">"err"</span>).<span class="ident">into</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">r</span>.<span class="ident">status</span>(), <span class="ident">StatusCode</span>::<span class="ident">REQUEST_TIMEOUT</span>);
<span class="kw">let</span> <span class="ident">r</span>: <span class="ident">HttpResponse</span> <span class="op">=</span> <span class="ident">ErrorConflict</span>(<span class="string">"err"</span>).<span class="ident">into</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">r</span>.<span class="ident">status</span>(), <span class="ident">StatusCode</span>::<span class="ident">CONFLICT</span>);
<span class="kw">let</span> <span class="ident">r</span>: <span class="ident">HttpResponse</span> <span class="op">=</span> <span class="ident">ErrorGone</span>(<span class="string">"err"</span>).<span class="ident">into</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">r</span>.<span class="ident">status</span>(), <span class="ident">StatusCode</span>::<span class="ident">GONE</span>);
<span class="kw">let</span> <span class="ident">r</span>: <span class="ident">HttpResponse</span> <span class="op">=</span> <span class="ident">ErrorPreconditionFailed</span>(<span class="string">"err"</span>).<span class="ident">into</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">r</span>.<span class="ident">status</span>(), <span class="ident">StatusCode</span>::<span class="ident">PRECONDITION_FAILED</span>);
<span class="kw">let</span> <span class="ident">r</span>: <span class="ident">HttpResponse</span> <span class="op">=</span> <span class="ident">ErrorExpectationFailed</span>(<span class="string">"err"</span>).<span class="ident">into</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">r</span>.<span class="ident">status</span>(), <span class="ident">StatusCode</span>::<span class="ident">EXPECTATION_FAILED</span>);
<span class="kw">let</span> <span class="ident">r</span>: <span class="ident">HttpResponse</span> <span class="op">=</span> <span class="ident">ErrorInternalServerError</span>(<span class="string">"err"</span>).<span class="ident">into</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">r</span>.<span class="ident">status</span>(), <span class="ident">StatusCode</span>::<span class="ident">INTERNAL_SERVER_ERROR</span>);
<span class="kw">let</span> <span class="ident">r</span>: <span class="ident">HttpResponse</span> <span class="op">=</span> <span class="ident">ErrorNotImplemented</span>(<span class="string">"err"</span>).<span class="ident">into</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">r</span>.<span class="ident">status</span>(), <span class="ident">StatusCode</span>::<span class="ident">NOT_IMPLEMENTED</span>);
<span class="kw">let</span> <span class="ident">r</span>: <span class="ident">HttpResponse</span> <span class="op">=</span> <span class="ident">ErrorBadGateway</span>(<span class="string">"err"</span>).<span class="ident">into</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">r</span>.<span class="ident">status</span>(), <span class="ident">StatusCode</span>::<span class="ident">BAD_GATEWAY</span>);
<span class="kw">let</span> <span class="ident">r</span>: <span class="ident">HttpResponse</span> <span class="op">=</span> <span class="ident">ErrorServiceUnavailable</span>(<span class="string">"err"</span>).<span class="ident">into</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">r</span>.<span class="ident">status</span>(), <span class="ident">StatusCode</span>::<span class="ident">SERVICE_UNAVAILABLE</span>);
<span class="kw">let</span> <span class="ident">r</span>: <span class="ident">HttpResponse</span> <span class="op">=</span> <span class="ident">ErrorGatewayTimeout</span>(<span class="string">"err"</span>).<span class="ident">into</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">r</span>.<span class="ident">status</span>(), <span class="ident">StatusCode</span>::<span class="ident">GATEWAY_TIMEOUT</span>);
}
}
</pre>
</section><section id="search" class="content hidden"></section><section class="footer"></section><aside id="help" class="hidden"><div><h1 class="hidden">Help</h1><div class="shortcuts"><h2>Keyboard Shortcuts</h2><dl><dt><kbd>?</kbd></dt><dd>Show this help dialog</dd><dt><kbd>S</kbd></dt><dd>Focus the search field</dd><dt><kbd>↑</kbd></dt><dd>Move up in search results</dd><dt><kbd>↓</kbd></dt><dd>Move down in search results</dd><dt><kbd>↹</kbd></dt><dd>Switch tab</dd><dt><kbd>⏎</kbd></dt><dd>Go to active search result</dd><dt><kbd>+</kbd></dt><dd>Expand all sections</dd><dt><kbd>-</kbd></dt><dd>Collapse all sections</dd></dl></div><div class="infos"><h2>Search Tricks</h2><p>Prefix searches with a type followed by a colon (e.g. <code>fn:</code>) to restrict the search to a given type.</p><p>Accepted types are: <code>fn</code>, <code>mod</code>, <code>struct</code>, <code>enum</code>, <code>trait</code>, <code>type</code>, <code>macro</code>, and <code>const</code>.</p><p>Search functions by type signature (e.g. <code>vec -> usize</code> or <code>* -> vec</code>)</p><p>Search multiple things at once by splitting your query with comma (e.g. <code>str,u8</code> or <code>String,struct:Vec,test</code>)</p></div></div></aside><script>window.rootPath = "../../";window.currentCrate = "actix_web";</script><script src="../../aliases.js"></script><script src="../../main.js"></script><script defer src="../../search-index.js"></script></body></html>