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<!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="API documentation for the Rust `FromParam` trait in crate `actix_web`."><meta name="keywords" content="rust, rustlang, rust-lang, FromParam"><title>actix_web::dev::FromParam - Rust</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 trait"><!--[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><p class='location'>Trait FromParam</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#associated-types">Associated Types</a><div class="sidebar-links"><a href="#associatedtype.Err">Err</a></div><a class="sidebar-title" href="#required-methods">Required Methods</a><div class="sidebar-links"><a href="#tymethod.from_param">from_param</a></div><a class="sidebar-title" href="#foreign-impls">Implementations on Foreign Types</a><div class="sidebar-links"><a href="#impl-FromParam">PathBuf</a><a href="#impl-FromParam">u8</a><a href="#impl-FromParam">u16</a><a href="#impl-FromParam">u32</a><a href="#impl-FromParam">u64</a><a href="#impl-FromParam">usize</a><a href="#impl-FromParam">i8</a><a href="#impl-FromParam">i16</a><a href="#impl-FromParam">i32</a><a href="#impl-FromParam">i64</a><a href="#impl-FromParam">isize</a><a href="#impl-FromParam">f32</a><a href="#impl-FromParam">f64</a><a href="#impl-FromParam">String</a><a href="#impl-FromParam">IpAddr</a><a href="#impl-FromParam">Ipv4Addr</a><a href="#impl-FromParam">Ipv6Addr</a><a href="#impl-FromParam">SocketAddr</a><a href="#impl-FromParam">SocketAddrV4</a><a href="#impl-FromParam">SocketAddrV6</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class='location'><a href='../index.html'>actix_web</a>::<wbr><a href='index.html'>dev</a></p><script>window.sidebarCurrent = {name: 'FromParam', ty: 'trait', relpath: ''};</script><script defer src="sidebar-items.js"></script></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"><h1 class='fqn'><span class='in-band'>Trait <a href='../index.html'>actix_web</a>::<wbr><a href='index.html'>dev</a>::<wbr><a class="trait" href=''>FromParam</a></span><span class='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../../src/actix_web/param.rs.html#15-21' title='goto source code'>[src]</a></span></h1><div class="docblock type-decl"><pre class='rust trait'>pub trait FromParam: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> {
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type <a href='#associatedtype.Err' class="type">Err</a>: <a class="trait" href="../../actix_web/error/trait.ResponseError.html" title="trait actix_web::error::ResponseError">ResponseError</a>;
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fn <a href='#tymethod.from_param' class='fnname'>from_param</a>(s: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self, Self::<a class="type" href="../../actix_web/dev/trait.FromParam.html#associatedtype.Err" title="type actix_web::dev::FromParam::Err">Err</a>>;
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}</pre></div><div class='docblock'><p>A trait to abstract the idea of creating a new instance of a type from a
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path parameter.</p>
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</div>
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<h2 id='associated-types' class='small-section-header'>
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Associated Types<a href='#associated-types' class='anchor'></a>
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</h2>
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<div class='methods'>
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<h3 id='associatedtype.Err' class='method'><span id='Err.t' class='invisible'><code>type <a href='#associatedtype.Err' class="type">Err</a>: <a class="trait" href="../../actix_web/error/trait.ResponseError.html" title="trait actix_web::error::ResponseError">ResponseError</a></code></span></h3><div class='docblock'><p>The associated error which can be returned from parsing.</p>
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</div></div>
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<h2 id='required-methods' class='small-section-header'>
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Required Methods<a href='#required-methods' class='anchor'></a>
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</h2>
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<div class='methods'>
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<h3 id='tymethod.from_param' class='method'><span id='from_param.v' class='invisible'><code>fn <a href='#tymethod.from_param' class='fnname'>from_param</a>(s: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self, Self::<a class="type" href="../../actix_web/dev/trait.FromParam.html#associatedtype.Err" title="type actix_web::dev::FromParam::Err">Err</a>></code></span></h3><div class='docblock'><p>Parses a string <code>s</code> to return a value of this type.</p>
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</div></div>
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<h2 id='foreign-impls' class='small-section-header'>
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Implementations on Foreign Types<a href='#foreign-impls' class='anchor'></a>
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</h2>
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<h3 id='impl-FromParam' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../../actix_web/dev/trait.FromParam.html" title="trait actix_web::dev::FromParam">FromParam</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/std/path/struct.PathBuf.html" title="struct std::path::PathBuf">PathBuf</a></code><a href='#impl-FromParam' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#204-233' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='docblock'><p>Creates a <code>PathBuf</code> from a path parameter. The returned <code>PathBuf</code> is
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percent-decoded. If a segment is equal to "..", the previous segment (if
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any) is skipped.</p>
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<p>For security purposes, if a segment meets any of the following conditions,
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an <code>Err</code> is returned indicating the condition met:</p>
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<ul>
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<li>Decoded segment starts with any of: <code>.</code> (except <code>..</code>), <code>*</code></li>
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<li>Decoded segment ends with any of: <code>:</code>, <code>></code>, <code><</code></li>
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<li>Decoded segment contains any of: <code>/</code></li>
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<li>On Windows, decoded segment contains any of: ''</li>
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<li>Percent-encoding results in invalid UTF8.</li>
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</ul>
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<p>As a result of these conditions, a <code>PathBuf</code> parsed from request path
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parameter is safe to interpolate within, or use as a suffix of, a path
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without additional checks.</p>
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</div><span class='docblock autohide'><div class='impl-items'><h4 id='associatedtype.Err-1' class="type"><span id='Err.t-1' class='invisible'><code>type <a href='#associatedtype.Err' class="type">Err</a> = <a class="enum" href="../../actix_web/error/enum.UriSegmentError.html" title="enum actix_web::error::UriSegmentError">UriSegmentError</a></code></span></h4>
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<h4 id='method.from_param' class="method"><span id='from_param.v-1' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_param' class='fnname'>from_param</a>(val: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="https://doc.rust-lang.org/nightly/std/path/struct.PathBuf.html" title="struct std::path::PathBuf">PathBuf</a>, <a class="enum" href="../../actix_web/error/enum.UriSegmentError.html" title="enum actix_web::error::UriSegmentError">UriSegmentError</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#207-232' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromParam-1' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../../actix_web/dev/trait.FromParam.html" title="trait actix_web::dev::FromParam">FromParam</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a></code><a href='#impl-FromParam-1' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#237-244' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='associatedtype.Err-2' class="type"><span id='Err.t-2' class='invisible'><code>type <a href='#associatedtype.Err' class="type">Err</a> = <a class="struct" href="../../actix_web/error/struct.InternalError.html" title="struct actix_web::error::InternalError">InternalError</a><<<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html" title="trait core::str::FromStr">FromStr</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html#associatedtype.Err" title="type core::str::FromStr::Err">Err</a>></code></span></h4>
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<h4 id='method.from_param-1' class="method"><span id='from_param.v-2' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_param' class='fnname'>from_param</a>(val: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self, Self::<a class="type" href="../../actix_web/dev/trait.FromParam.html#associatedtype.Err" title="type actix_web::dev::FromParam::Err">Err</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#240-243' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromParam-2' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../../actix_web/dev/trait.FromParam.html" title="trait actix_web::dev::FromParam">FromParam</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a></code><a href='#impl-FromParam-2' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#237-244' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='associatedtype.Err-3' class="type"><span id='Err.t-3' class='invisible'><code>type <a href='#associatedtype.Err' class="type">Err</a> = <a class="struct" href="../../actix_web/error/struct.InternalError.html" title="struct actix_web::error::InternalError">InternalError</a><<<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html" title="trait core::str::FromStr">FromStr</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html#associatedtype.Err" title="type core::str::FromStr::Err">Err</a>></code></span></h4>
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<h4 id='method.from_param-2' class="method"><span id='from_param.v-3' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_param' class='fnname'>from_param</a>(val: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self, Self::<a class="type" href="../../actix_web/dev/trait.FromParam.html#associatedtype.Err" title="type actix_web::dev::FromParam::Err">Err</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#240-243' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromParam-3' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../../actix_web/dev/trait.FromParam.html" title="trait actix_web::dev::FromParam">FromParam</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a></code><a href='#impl-FromParam-3' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#237-244' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='associatedtype.Err-4' class="type"><span id='Err.t-4' class='invisible'><code>type <a href='#associatedtype.Err' class="type">Err</a> = <a class="struct" href="../../actix_web/error/struct.InternalError.html" title="struct actix_web::error::InternalError">InternalError</a><<<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html" title="trait core::str::FromStr">FromStr</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html#associatedtype.Err" title="type core::str::FromStr::Err">Err</a>></code></span></h4>
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<h4 id='method.from_param-3' class="method"><span id='from_param.v-4' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_param' class='fnname'>from_param</a>(val: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self, Self::<a class="type" href="../../actix_web/dev/trait.FromParam.html#associatedtype.Err" title="type actix_web::dev::FromParam::Err">Err</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#240-243' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromParam-4' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../../actix_web/dev/trait.FromParam.html" title="trait actix_web::dev::FromParam">FromParam</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a></code><a href='#impl-FromParam-4' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#237-244' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='associatedtype.Err-5' class="type"><span id='Err.t-5' class='invisible'><code>type <a href='#associatedtype.Err' class="type">Err</a> = <a class="struct" href="../../actix_web/error/struct.InternalError.html" title="struct actix_web::error::InternalError">InternalError</a><<<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html" title="trait core::str::FromStr">FromStr</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html#associatedtype.Err" title="type core::str::FromStr::Err">Err</a>></code></span></h4>
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<h4 id='method.from_param-4' class="method"><span id='from_param.v-5' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_param' class='fnname'>from_param</a>(val: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self, Self::<a class="type" href="../../actix_web/dev/trait.FromParam.html#associatedtype.Err" title="type actix_web::dev::FromParam::Err">Err</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#240-243' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromParam-5' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../../actix_web/dev/trait.FromParam.html" title="trait actix_web::dev::FromParam">FromParam</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></code><a href='#impl-FromParam-5' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#237-244' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='associatedtype.Err-6' class="type"><span id='Err.t-6' class='invisible'><code>type <a href='#associatedtype.Err' class="type">Err</a> = <a class="struct" href="../../actix_web/error/struct.InternalError.html" title="struct actix_web::error::InternalError">InternalError</a><<<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html" title="trait core::str::FromStr">FromStr</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html#associatedtype.Err" title="type core::str::FromStr::Err">Err</a>></code></span></h4>
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<h4 id='method.from_param-5' class="method"><span id='from_param.v-6' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_param' class='fnname'>from_param</a>(val: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self, Self::<a class="type" href="../../actix_web/dev/trait.FromParam.html#associatedtype.Err" title="type actix_web::dev::FromParam::Err">Err</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#240-243' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromParam-6' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../../actix_web/dev/trait.FromParam.html" title="trait actix_web::dev::FromParam">FromParam</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a></code><a href='#impl-FromParam-6' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#237-244' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='associatedtype.Err-7' class="type"><span id='Err.t-7' class='invisible'><code>type <a href='#associatedtype.Err' class="type">Err</a> = <a class="struct" href="../../actix_web/error/struct.InternalError.html" title="struct actix_web::error::InternalError">InternalError</a><<<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html" title="trait core::str::FromStr">FromStr</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html#associatedtype.Err" title="type core::str::FromStr::Err">Err</a>></code></span></h4>
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<h4 id='method.from_param-6' class="method"><span id='from_param.v-7' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_param' class='fnname'>from_param</a>(val: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self, Self::<a class="type" href="../../actix_web/dev/trait.FromParam.html#associatedtype.Err" title="type actix_web::dev::FromParam::Err">Err</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#240-243' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromParam-7' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../../actix_web/dev/trait.FromParam.html" title="trait actix_web::dev::FromParam">FromParam</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a></code><a href='#impl-FromParam-7' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#237-244' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='associatedtype.Err-8' class="type"><span id='Err.t-8' class='invisible'><code>type <a href='#associatedtype.Err' class="type">Err</a> = <a class="struct" href="../../actix_web/error/struct.InternalError.html" title="struct actix_web::error::InternalError">InternalError</a><<<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html" title="trait core::str::FromStr">FromStr</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html#associatedtype.Err" title="type core::str::FromStr::Err">Err</a>></code></span></h4>
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<h4 id='method.from_param-7' class="method"><span id='from_param.v-8' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_param' class='fnname'>from_param</a>(val: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self, Self::<a class="type" href="../../actix_web/dev/trait.FromParam.html#associatedtype.Err" title="type actix_web::dev::FromParam::Err">Err</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#240-243' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromParam-8' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../../actix_web/dev/trait.FromParam.html" title="trait actix_web::dev::FromParam">FromParam</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a></code><a href='#impl-FromParam-8' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#237-244' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='associatedtype.Err-9' class="type"><span id='Err.t-9' class='invisible'><code>type <a href='#associatedtype.Err' class="type">Err</a> = <a class="struct" href="../../actix_web/error/struct.InternalError.html" title="struct actix_web::error::InternalError">InternalError</a><<<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html" title="trait core::str::FromStr">FromStr</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html#associatedtype.Err" title="type core::str::FromStr::Err">Err</a>></code></span></h4>
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<h4 id='method.from_param-8' class="method"><span id='from_param.v-9' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_param' class='fnname'>from_param</a>(val: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self, Self::<a class="type" href="../../actix_web/dev/trait.FromParam.html#associatedtype.Err" title="type actix_web::dev::FromParam::Err">Err</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#240-243' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromParam-9' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../../actix_web/dev/trait.FromParam.html" title="trait actix_web::dev::FromParam">FromParam</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a></code><a href='#impl-FromParam-9' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#237-244' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='associatedtype.Err-10' class="type"><span id='Err.t-10' class='invisible'><code>type <a href='#associatedtype.Err' class="type">Err</a> = <a class="struct" href="../../actix_web/error/struct.InternalError.html" title="struct actix_web::error::InternalError">InternalError</a><<<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html" title="trait core::str::FromStr">FromStr</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html#associatedtype.Err" title="type core::str::FromStr::Err">Err</a>></code></span></h4>
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<h4 id='method.from_param-9' class="method"><span id='from_param.v-10' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_param' class='fnname'>from_param</a>(val: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self, Self::<a class="type" href="../../actix_web/dev/trait.FromParam.html#associatedtype.Err" title="type actix_web::dev::FromParam::Err">Err</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#240-243' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromParam-10' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../../actix_web/dev/trait.FromParam.html" title="trait actix_web::dev::FromParam">FromParam</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a></code><a href='#impl-FromParam-10' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#237-244' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='associatedtype.Err-11' class="type"><span id='Err.t-11' class='invisible'><code>type <a href='#associatedtype.Err' class="type">Err</a> = <a class="struct" href="../../actix_web/error/struct.InternalError.html" title="struct actix_web::error::InternalError">InternalError</a><<<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html" title="trait core::str::FromStr">FromStr</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html#associatedtype.Err" title="type core::str::FromStr::Err">Err</a>></code></span></h4>
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<h4 id='method.from_param-10' class="method"><span id='from_param.v-11' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_param' class='fnname'>from_param</a>(val: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self, Self::<a class="type" href="../../actix_web/dev/trait.FromParam.html#associatedtype.Err" title="type actix_web::dev::FromParam::Err">Err</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#240-243' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromParam-11' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../../actix_web/dev/trait.FromParam.html" title="trait actix_web::dev::FromParam">FromParam</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a></code><a href='#impl-FromParam-11' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#237-244' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='associatedtype.Err-12' class="type"><span id='Err.t-12' class='invisible'><code>type <a href='#associatedtype.Err' class="type">Err</a> = <a class="struct" href="../../actix_web/error/struct.InternalError.html" title="struct actix_web::error::InternalError">InternalError</a><<<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html" title="trait core::str::FromStr">FromStr</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html#associatedtype.Err" title="type core::str::FromStr::Err">Err</a>></code></span></h4>
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<h4 id='method.from_param-11' class="method"><span id='from_param.v-12' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_param' class='fnname'>from_param</a>(val: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self, Self::<a class="type" href="../../actix_web/dev/trait.FromParam.html#associatedtype.Err" title="type actix_web::dev::FromParam::Err">Err</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#240-243' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromParam-12' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../../actix_web/dev/trait.FromParam.html" title="trait actix_web::dev::FromParam">FromParam</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a></code><a href='#impl-FromParam-12' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#237-244' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='associatedtype.Err-13' class="type"><span id='Err.t-13' class='invisible'><code>type <a href='#associatedtype.Err' class="type">Err</a> = <a class="struct" href="../../actix_web/error/struct.InternalError.html" title="struct actix_web::error::InternalError">InternalError</a><<<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html" title="trait core::str::FromStr">FromStr</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html#associatedtype.Err" title="type core::str::FromStr::Err">Err</a>></code></span></h4>
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<h4 id='method.from_param-12' class="method"><span id='from_param.v-13' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_param' class='fnname'>from_param</a>(val: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self, Self::<a class="type" href="../../actix_web/dev/trait.FromParam.html#associatedtype.Err" title="type actix_web::dev::FromParam::Err">Err</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#240-243' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromParam-13' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../../actix_web/dev/trait.FromParam.html" title="trait actix_web::dev::FromParam">FromParam</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a></code><a href='#impl-FromParam-13' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#237-244' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='associatedtype.Err-14' class="type"><span id='Err.t-14' class='invisible'><code>type <a href='#associatedtype.Err' class="type">Err</a> = <a class="struct" href="../../actix_web/error/struct.InternalError.html" title="struct actix_web::error::InternalError">InternalError</a><<<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html" title="trait core::str::FromStr">FromStr</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html#associatedtype.Err" title="type core::str::FromStr::Err">Err</a>></code></span></h4>
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<h4 id='method.from_param-13' class="method"><span id='from_param.v-14' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_param' class='fnname'>from_param</a>(val: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self, Self::<a class="type" href="../../actix_web/dev/trait.FromParam.html#associatedtype.Err" title="type actix_web::dev::FromParam::Err">Err</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#240-243' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromParam-14' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../../actix_web/dev/trait.FromParam.html" title="trait actix_web::dev::FromParam">FromParam</a> for <a class="enum" href="https://doc.rust-lang.org/nightly/std/net/ip/enum.IpAddr.html" title="enum std::net::ip::IpAddr">IpAddr</a></code><a href='#impl-FromParam-14' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#237-244' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='associatedtype.Err-15' class="type"><span id='Err.t-15' class='invisible'><code>type <a href='#associatedtype.Err' class="type">Err</a> = <a class="struct" href="../../actix_web/error/struct.InternalError.html" title="struct actix_web::error::InternalError">InternalError</a><<<a class="enum" href="https://doc.rust-lang.org/nightly/std/net/ip/enum.IpAddr.html" title="enum std::net::ip::IpAddr">IpAddr</a> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html" title="trait core::str::FromStr">FromStr</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html#associatedtype.Err" title="type core::str::FromStr::Err">Err</a>></code></span></h4>
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<h4 id='method.from_param-14' class="method"><span id='from_param.v-15' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_param' class='fnname'>from_param</a>(val: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self, Self::<a class="type" href="../../actix_web/dev/trait.FromParam.html#associatedtype.Err" title="type actix_web::dev::FromParam::Err">Err</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#240-243' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromParam-15' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../../actix_web/dev/trait.FromParam.html" title="trait actix_web::dev::FromParam">FromParam</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/std/net/ip/struct.Ipv4Addr.html" title="struct std::net::ip::Ipv4Addr">Ipv4Addr</a></code><a href='#impl-FromParam-15' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#237-244' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='associatedtype.Err-16' class="type"><span id='Err.t-16' class='invisible'><code>type <a href='#associatedtype.Err' class="type">Err</a> = <a class="struct" href="../../actix_web/error/struct.InternalError.html" title="struct actix_web::error::InternalError">InternalError</a><<<a class="struct" href="https://doc.rust-lang.org/nightly/std/net/ip/struct.Ipv4Addr.html" title="struct std::net::ip::Ipv4Addr">Ipv4Addr</a> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html" title="trait core::str::FromStr">FromStr</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html#associatedtype.Err" title="type core::str::FromStr::Err">Err</a>></code></span></h4>
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<h4 id='method.from_param-15' class="method"><span id='from_param.v-16' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_param' class='fnname'>from_param</a>(val: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self, Self::<a class="type" href="../../actix_web/dev/trait.FromParam.html#associatedtype.Err" title="type actix_web::dev::FromParam::Err">Err</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#240-243' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromParam-16' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../../actix_web/dev/trait.FromParam.html" title="trait actix_web::dev::FromParam">FromParam</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/std/net/ip/struct.Ipv6Addr.html" title="struct std::net::ip::Ipv6Addr">Ipv6Addr</a></code><a href='#impl-FromParam-16' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#237-244' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='associatedtype.Err-17' class="type"><span id='Err.t-17' class='invisible'><code>type <a href='#associatedtype.Err' class="type">Err</a> = <a class="struct" href="../../actix_web/error/struct.InternalError.html" title="struct actix_web::error::InternalError">InternalError</a><<<a class="struct" href="https://doc.rust-lang.org/nightly/std/net/ip/struct.Ipv6Addr.html" title="struct std::net::ip::Ipv6Addr">Ipv6Addr</a> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html" title="trait core::str::FromStr">FromStr</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html#associatedtype.Err" title="type core::str::FromStr::Err">Err</a>></code></span></h4>
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<h4 id='method.from_param-16' class="method"><span id='from_param.v-17' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_param' class='fnname'>from_param</a>(val: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self, Self::<a class="type" href="../../actix_web/dev/trait.FromParam.html#associatedtype.Err" title="type actix_web::dev::FromParam::Err">Err</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#240-243' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromParam-17' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../../actix_web/dev/trait.FromParam.html" title="trait actix_web::dev::FromParam">FromParam</a> for <a class="enum" href="https://doc.rust-lang.org/nightly/std/net/addr/enum.SocketAddr.html" title="enum std::net::addr::SocketAddr">SocketAddr</a></code><a href='#impl-FromParam-17' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#237-244' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='associatedtype.Err-18' class="type"><span id='Err.t-18' class='invisible'><code>type <a href='#associatedtype.Err' class="type">Err</a> = <a class="struct" href="../../actix_web/error/struct.InternalError.html" title="struct actix_web::error::InternalError">InternalError</a><<<a class="enum" href="https://doc.rust-lang.org/nightly/std/net/addr/enum.SocketAddr.html" title="enum std::net::addr::SocketAddr">SocketAddr</a> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html" title="trait core::str::FromStr">FromStr</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html#associatedtype.Err" title="type core::str::FromStr::Err">Err</a>></code></span></h4>
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<h4 id='method.from_param-17' class="method"><span id='from_param.v-18' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_param' class='fnname'>from_param</a>(val: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self, Self::<a class="type" href="../../actix_web/dev/trait.FromParam.html#associatedtype.Err" title="type actix_web::dev::FromParam::Err">Err</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#240-243' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromParam-18' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../../actix_web/dev/trait.FromParam.html" title="trait actix_web::dev::FromParam">FromParam</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/std/net/addr/struct.SocketAddrV4.html" title="struct std::net::addr::SocketAddrV4">SocketAddrV4</a></code><a href='#impl-FromParam-18' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#237-244' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='associatedtype.Err-19' class="type"><span id='Err.t-19' class='invisible'><code>type <a href='#associatedtype.Err' class="type">Err</a> = <a class="struct" href="../../actix_web/error/struct.InternalError.html" title="struct actix_web::error::InternalError">InternalError</a><<<a class="struct" href="https://doc.rust-lang.org/nightly/std/net/addr/struct.SocketAddrV4.html" title="struct std::net::addr::SocketAddrV4">SocketAddrV4</a> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html" title="trait core::str::FromStr">FromStr</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html#associatedtype.Err" title="type core::str::FromStr::Err">Err</a>></code></span></h4>
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<h4 id='method.from_param-18' class="method"><span id='from_param.v-19' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_param' class='fnname'>from_param</a>(val: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self, Self::<a class="type" href="../../actix_web/dev/trait.FromParam.html#associatedtype.Err" title="type actix_web::dev::FromParam::Err">Err</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#240-243' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span><h3 id='impl-FromParam-19' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl <a class="trait" href="../../actix_web/dev/trait.FromParam.html" title="trait actix_web::dev::FromParam">FromParam</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/std/net/addr/struct.SocketAddrV6.html" title="struct std::net::addr::SocketAddrV6">SocketAddrV6</a></code><a href='#impl-FromParam-19' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#237-244' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><span class='docblock autohide'><div class='impl-items'><h4 id='associatedtype.Err-20' class="type"><span id='Err.t-20' class='invisible'><code>type <a href='#associatedtype.Err' class="type">Err</a> = <a class="struct" href="../../actix_web/error/struct.InternalError.html" title="struct actix_web::error::InternalError">InternalError</a><<<a class="struct" href="https://doc.rust-lang.org/nightly/std/net/addr/struct.SocketAddrV6.html" title="struct std::net::addr::SocketAddrV6">SocketAddrV6</a> as <a class="trait" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html" title="trait core::str::FromStr">FromStr</a>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/str/trait.FromStr.html#associatedtype.Err" title="type core::str::FromStr::Err">Err</a>></code></span></h4>
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<h4 id='method.from_param-19' class="method"><span id='from_param.v-20' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.from_param' class='fnname'>from_param</a>(val: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self, Self::<a class="type" href="../../actix_web/dev/trait.FromParam.html#associatedtype.Err" title="type actix_web::dev::FromParam::Err">Err</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/actix_web/param.rs.html#240-243' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></span>
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