<!DOCTYPE html><htmllang="en"><head><metacharset="utf-8"><metaname="viewport"content="width=device-width, initial-scale=1.0"><metaname="generator"content="rustdoc"><metaname="description"content="API documentation for the Rust `ProtoBuf` struct in crate `actix_protobuf`."><metaname="keywords"content="rust, rustlang, rust-lang, ProtoBuf"><title>ProtoBuf in actix_protobuf - Rust</title><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../SourceSerif4-Regular.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../FiraSans-Regular.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../FiraSans-Medium.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../SourceCodePro-Regular.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../SourceSerif4-Bold.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../SourceCodePro-Semibold.ttf.woff2"><linkrel="stylesheet"type="text/css"href="../normalize.css"><linkrel="stylesheet"type="text/css"href="../rustdoc.css"id="mainThemeStyle"><linkrel="stylesheet"type="text/css"href="../ayu.css"disabled><linkrel="stylesheet"type="text/css"href="../dark.css"disabled><linkrel="stylesheet"type="text/css"href="../light.css"id="themeStyle"><scriptid="default-settings"></script><scriptsrc="../storage.js"></script><scriptdefersrc="sidebar-items.js"></script><scriptdefersrc="../main.js"></script><noscript><linkrel="stylesheet"href="../noscript.css"></noscript><linkrel="alternate icon"type="image/png"href="../favicon-16x16.png"><linkrel="alternate icon"type="image/png"href="../favicon-32x32.png"><linkrel="icon"type="image/svg+xml"href="../favicon.svg"></head><bodyclass="rustdoc struct"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><navclass="mobile-topbar"><buttonclass="sidebar-menu-toggle">☰</button><aclass="sidebar-logo"href="../actix_protobuf/index.html"><divclass="logo-container"><imgclass="rust-logo"src="../rust-logo.svg"alt="logo"></div></a><h2class="location"></h2></nav><navclass="sidebar"><aclass="sidebar-logo"href="../actix_protobuf/index.html"><divclass="logo-container"><imgclass="rust-logo"src="../rust-logo.svg"alt="logo"></div></a><h2class="location"><ahref="#">ProtoBuf</a></h2><divclass="sidebar-elems"><section><divclass="block"><h3class="sidebar-title"><ahref="#fields">Tuple Fields</a></h3></div><divclass="block"><h3class="sidebar-title"><ahref="#trait-implementations">Trait Implementations</a></h3><ul><li><ahref="#impl-Debug-for-ProtoBuf%3CT%3E">Debug</a></li><li><ahref="#impl-Deref-for-ProtoBuf%3CT%3E">Deref</a></li><li><ahref="#impl-DerefMut-for-ProtoBuf%3CT%3E">DerefMut</a></li><li><ahref="#impl-Display-for-ProtoBuf%3CT%3E">Display</a></li><li><ahref="#impl-FromRequest-for-ProtoBuf%3CT%3E">FromRequest</a></li><li><ahref="#impl-Responder-for-ProtoBuf%3CT%3E">Responder</a></li></ul></div><divclass="block"><h3class="sidebar-title"><ahref="#synthetic-implementations">Auto Trait Implementations</a></h3><ul><li><ahref="#impl-RefUnwindSafe-for-ProtoBuf%3CT%3E">RefUnwindSafe</a></li><li><ahref="#impl-Send-for-ProtoBuf%3CT%3E">Send</a></li><li><ahref="#impl-Sync-for-ProtoBuf%3CT%3E">Sync</a></li><li><ahref="#impl-Unpin-for-ProtoBuf%3CT%3E">Unpin</a></li><li><ahref="#impl-UnwindSafe-for-ProtoBuf%3CT%3E">UnwindSafe</a></li></ul></div><divclass="block"><h3class="sidebar-title"><ahref="#blanket-implementations">Blanket Implementations</a></h3><ul><li><ahref="#impl-Any-for-ProtoBuf%3CT%3E">Any</a></li><li><ahref="#impl-Borrow%3CT%3E-for-ProtoBuf%3CT%3E">Borrow<T></a></li><li><ahref="#impl-BorrowMut%3CT%3E-for-ProtoBuf%3CT%3E">BorrowMut<T></a></li><li><ahref="#impl-Formattable-for-ProtoBuf%3CT%3E">Formattable</a></li><li><ahref="#impl-From%3CT%3E-for-ProtoBuf%3CT%3E">From<T></a></li><li><ahref="#impl-Instrument-for-ProtoBuf%3CT%3E">Instrument</a></li><li><ahref="#impl-I
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><sectionid="impl-Deref-for-ProtoBuf%3CT%3E"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="../src/actix_protobuf/lib.rs.html#77-83">source</a></span><ahref="#impl-Deref-for-ProtoBuf%3CT%3E"class="anchor"></a><h3class="code-header in-band">impl<T: <aclass="trait"href="https://docs.rs/prost/0.11/prost/message/trait.Message.html"title="trait prost::message::Message">Message</a>><aclass="trait"href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html"title="trait core::ops::deref::Deref">Deref</a> for <aclass="struct"href="struct.ProtoBuf.html"title="struct actix_protobuf::ProtoBuf">ProtoBuf</a><T></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle"open><summary><sectionid="associatedtype.Target"class="associatedtype trait-impl has-srclink"><ahref="#associatedtype.Target"class="anchor"></a><h4class="code-header">type <ahref="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html#associatedtype.Target"class="associatedtype">Target</a> = T</h4></section></summary><divclass='docblock'><p>The resulting type after dereferencing.</p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><sectionid="impl-DerefMut-for-ProtoBuf%3CT%3E"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="../src/actix_protobuf/lib.rs.html#85-89">source</a></span><ahref="#impl-DerefMut-for-ProtoBuf%3CT%3E"class="anchor"></a><h3class="code-header in-band">impl<T: <aclass="trait"href="https://docs.rs/prost/0.11/prost/message/trait.Message.html"title="trait prost::message::Message">Message</a>><aclass="trait"href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.DerefMut.html"title="trait core::ops::deref::DerefMut">DerefMut</a> for <aclass="struct"href="struct.ProtoBuf.html"title="struct actix_protobuf::ProtoBuf">ProtoBuf</a><T></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.deref_mut"class="method trait-impl has-srclink"><spanclass="rightside"><aclass="srclink"href="../src/actix_protobuf/lib.rs.html#86-88">source</a></span><ahref="#method.deref_mut"class="anchor"></a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/ops/deref/trait.DerefMut.html#tymethod.deref_mut"class="fnname">deref_mut</a>(&mut self) -><aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T</h4></section></summary><divclass='docblock'><p>Mutably dereferences the value.</p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><sectionid="impl-Display-for-ProtoBuf%3CT%3E"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="../src/actix_protobuf/lib.rs.html#100-107">source</a></span><ahref="#impl-Display-for-ProtoBuf%3CT%3E"class="anchor"></a><h3class="code-header in-band">impl<T: <aclass="trait"href="https://docs.rs/prost/0.11/prost/message/trait.Message.html"title="trait prost::message::Message">Message</a>><aclass="trait"href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html"title="trait core::fmt::Display">Display</a> for <aclass="struct"href="struct.ProtoBuf.html"title="struct actix_protobuf::ProtoBuf">ProtoBuf</a><T><spanclass="where fmt-newline">where<br> T: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html"title="trait core::fmt::Display">Display</a>, </span></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.fmt-1"class="method trait-impl has-srclink"><spanclass="rightside"><aclass="srclink"href="../src/actix_protobuf/lib.rs.html#104-106">source</a></span><ahref="#method.fmt-1"class="anchor"></a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html#tymethod.fmt"class="fnname">fmt</a>(&self, f: &mut <aclass="struct"href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html"title="struct core::fmt::Formatter">Formatter</a><'_>) -><aclass="type"href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html"title="type core::fmt::Result">Result</a></h4></section></summary><divclass='docblock'><p>Formats the value using the given formatter. <ahref="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html#tymethod.fmt">Read more</a></p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><sectionid="impl-FromRequest-for-ProtoBuf%3CT%3E"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="../src/actix_protobuf/lib.rs.html#127-148">source</a></span><ahref="#impl-FromRequest-for-ProtoBuf%3CT%3E"class="anchor"></a><h3class="code-header in-band">impl<T> FromRequest for <aclass="struct"href="struct.ProtoBuf.html"title="struct actix_protobuf::ProtoBuf">ProtoBuf</a><T><spanclass="where fmt-newline">where<br> T: <aclass="trait"href="https://docs.rs/prost/0.11/prost/message/trait.Message.html"title="trait prost::message::Message">Message</a> + <aclass="trait"href="https://doc.rust-lang.org/nightly/core/default/trait.Default.html"title="trait core::default::Default">Default</a> + 'static, </span></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle"open><summary><sectionid="associatedtype.Error"class="associatedtype trait-impl has-srclink"><ahref="#associatedtype.Error"class="anchor"></a><h4class="code-header">type <aclass="associatedtype">Error</a> = Error</h4></section></summary><divclass='docblock'><p>The associated error which can be returned.</p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-Instrument-for-ProtoBuf%3CT%3E"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://docs.rs/tracing/0.1.36/src/tracing/instrument.rs.html#276">source</a></span><ahref="#impl-Instrument-for-ProtoBuf%3CT%3E"class="anchor"></a><h3class="code-header in-band">impl<T><aclass="trait"href="https://docs.rs/tracing/0.1.36/tracing/instrument/trait.Instrument.html"title="trait tracing::instrument::Instrument">Instrument</a> for T</h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.instrument"class="method trait-impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://docs.rs/tracing/0.1.36/src/tracing/instrument.rs.html#82">source</a></span><ahref="#method.instrument"class="anchor"></a><h4class="code-header">fn <ahref="https://docs.rs/tracing/0.1.36/tracing/instrument/trait.Instrument.html#method.instrument"class="fnname">instrument</a>(self, span: <aclass="struct"href="https://docs.rs/tracing/0.1.36/tracing/span/struct.Span.html"title="struct tracing::span::Span">Span</a>) -><aclass="struct"href="https://docs.rs/tracing/0.1.36/tracing/instrument/struct.Instrumented.html"title="struct tracing::instrument::Instrumented">Instrumented</a><Self></h4></section></summary><divclass='docblock'><p>Instruments this type with the provided <ahref="https://docs.rs/tracing/0.1.36/tracing/span/struct.Span.html"title="Span"><code>Span</code></a>, returning an
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.in_current_span"class="method trait-impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://docs.rs/tracing/0.1.36/src/tracing/instrument.rs.html#121">source</a></span><ahref="#method.in_current_span"class="anchor"></a><h4class="code-header">fn <ahref="https://docs.rs/tracing/0.1.36/tracing/instrument/trait.Instrument.html#method.in_current_span"class="fnname">in_current_span</a>(self) -><aclass="struct"href="https://docs.rs/tracing/0.1.36/tracing/instrument/struct.Instrumented.html"title="struct tracing::instrument::Instrumented">Instrumented</a><Self></h4></section></summary><divclass='docblock'><p>Instruments this type with the <ahref="https://docs.rs/tracing/0.1.36/tracing/span/struct.Span.html#method.current">current</a><ahref="https://docs.rs/tracing/0.1.36/tracing/span/struct.Span.html"><code>Span</code></a>, returning an
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-ToString-for-ProtoBuf%3CT%3E"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/alloc/string.rs.html#2500">source</a></span><ahref="#impl-ToString-for-ProtoBuf%3CT%3E"class="anchor"></a><h3class="code-header in-band">impl<T><aclass="trait"href="https://doc.rust-lang.org/nightly/alloc/string/trait.ToString.html"title="trait alloc::string::ToString">ToString</a> for T <spanclass="where fmt-newline">where<br> T: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html"title="trait core::fmt::Display">Display</a> + ?<aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>, </span></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.to_string"class="method trait-impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/alloc/string.rs.html#2506">source</a></span><ahref="#method.to_string"class="anchor"></a><h4class="code-header">default fn <ahref="https://doc.rust-lang.org/nightly/alloc/string/trait.ToString.html#tymethod.to_string"class="fnname">to_string</a>(&self) -><aclass="struct"href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html"title="struct alloc::string::String">String</a></h4></section></summary><divclass='docblock'><p>Converts the given value to a <code>String</code>. <ahref="https://doc.rust-lang.org/nightly/alloc/string/trait.ToString.html#tymethod.to_string">Read more</a></p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-TryFrom%3CU%3E-for-ProtoBuf%3CT%3E"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#600">source</a></span><ahref="#impl-TryFrom%3CU%3E-for-ProtoBuf%3CT%3E"class="anchor"></a><h3class="code-header in-band">impl<T, U><aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><U> for T <spanclass="where fmt-newline">where<br> U: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html"title="trait core::convert::Into">Into</a><T>, </span></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle"open><summary><sectionid="associatedtype.Error-2"class="associatedtype trait-impl has-srclink"><ahref="#associatedtype.Error-2"class="anchor"></a><h4class="code-header">type <ahref="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error"class="associatedtype">Error</a> = <aclass="enum"href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html"title="enum core::convert::Infallible">Infallible</a></h4></section></summary><divclass='docblock'><p>The type returned in the event of a conversion error.</p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.try_from"class="method trait-impl has-srclink"><spanclass="rightside"><spanclass="since"title="const unstable">const: <ahref="https://github.com/rust-lang/rust/issues/88674"title="Tracking issue for const_convert">unstable</a></span> · <aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#606">source</a></span><ahref="#method.try_from"class="anchor"></a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from"class="fnname">try_from</a>(value: U) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html"title="enum core::result::Result">Result</a><T, <T as <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><U>>::<aclass="associatedtype"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><divclass='docblock'><p>Performs the conversion.</p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-TryInto%3CU%3E-for-ProtoBuf%3CT%3E"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#585">source</a></span><ahref="#impl-TryInto%3CU%3E-for-ProtoBuf%3CT%3E"class="anchor"></a><h3class="code-header in-band">impl<T, U><aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html"title="trait core::convert::TryInto">TryInto</a><U> for T <spanclass="where fmt-newline">where<br> U: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>, </span></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle"open><summary><sectionid="associatedtype.Error-1"class="associatedtype trait-impl has-srclink"><ahref="#associatedtype.Error-1"class="anchor"></a><h4class="code-header">type <ahref="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error"class="associatedtype">Error</a> = <U as <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>>::<aclass="associatedtype"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><divclass='docblock'><p>The type returned in the event of a conversion error.</p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.try_into"class="method trait-impl has-srclink"><spanclass="rightside"><spanclass="since"title="const unstable">const: <ahref="https://github.com/rust-lang/rust/issues/88674"title="Tracking issue for const_convert">unstable</a></span> · <aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#591">source</a></span><ahref="#method.try_into"class="anchor"></a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into"class="fnname">try_into</a>(self) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html"title="enum core::result::Result">Result</a><U, <U as <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>>::<aclass="associatedtype"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><divclass='docblock'><p>Performs the conversion.</p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.with_current_subscriber"class="method trait-impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://docs.rs/tracing/0.1.36/src/tracing/instrument.rs.html#221">source</a></span><ahref="#method.with_current_subscriber"class="anchor"></a><h4class="code-header">fn <ahref="https://docs.rs/tracing/0.1.36/tracing/instrument/trait.WithSubscriber.html#method.with_current_subscriber"class="fnname">with_current_subscriber</a>(self) -><aclass="struct"href="https://docs.rs/tracing/0.1.36/tracing/instrument/struct.WithDispatch.html"title="struct tracing::instrument::WithDispatch">WithDispatch</a><Self></h4></section></summary><divclass='docblock'><p>Attaches the current <ahref="https://docs.rs/tracing/0.1.36/tracing/dispatcher/index.html#setting-the-default-subscriber">default</a><ahref="https://docs.rs/tracing-core/0.1.22/tracing_core/subscriber/trait.Subscriber.html"><code>Subscriber</code></a> to this type, returning a
