<!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 `ProtoBufResponseBuilder` trait in crate `actix_protobuf`."><metaname="keywords"content="rust, rustlang, rust-lang, ProtoBufResponseBuilder"><title>ProtoBufResponseBuilder in actix_protobuf - Rust</title><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../static.files/SourceSerif4-Regular-1f7d512b176f0f72.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../static.files/SourceSerif4-Bold-124a1ca42af929b6.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><linkrel="stylesheet"href="../static.files/normalize-76eba96aa4d2e634.css"><linkrel="stylesheet"href="../static.files/rustdoc-eabf764633b9d7be.css"id="mainThemeStyle"><linkrel="stylesheet"id="themeStyle"href="../static.files/light-777f3e9583f8c92d.css"><linkrel="stylesheet"disabledhref="../static.files/dark-e2f4109f2e82e3af.css"><linkrel="stylesheet"disabledhref="../static.files/ayu-c360e709a65bed99.css"><scriptid="default-settings"></script><scriptsrc="../static.files/storage-d43fa987303ecbbb.js"></script><scriptdefersrc="sidebar-items.js"></script><scriptdefersrc="../static.files/main-c2d2a5dbaed13e6b.js"></script><noscript><linkrel="stylesheet"href="../static.files/noscript-13285aec31fa243e.css"></noscript><linkrel="alternate icon"type="image/png"href="../static.files/favicon-16x16-8b506e7a72182f1c.png"><linkrel="alternate icon"type="image/png"href="../static.files/favicon-32x32-422f7d1d52889060.png"><linkrel="icon"type="image/svg+xml"href="../static.files/favicon-2c020d218678b618.svg"></head><bodyclass="rustdoc trait"><!--[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="../static.files/rust-logo-151179464ae7ed46.svg"alt="logo"></div></a><h2></h2></nav><navclass="sidebar"><aclass="sidebar-logo"href="../actix_protobuf/index.html"><divclass="logo-container"><imgclass="rust-logo"src="../static.files/rust-logo-151179464ae7ed46.svg"alt="logo"></div></a><h2class="location"><ahref="#">ProtoBufResponseBuilder</a></h2><divclass="sidebar-elems"><section><h3><ahref="#required-methods">Required Methods</a></h3><ulclass="block"><li><ahref="#tymethod.protobuf">protobuf</a></li></ul><h3><ahref="#foreign-impls">Implementations on Foreign Types</a></h3><ulclass="block"><li><ahref="#impl-ProtoBufResponseBuilder-for-HttpResponseBuilder">HttpResponseBuilder</a></li></ul><h3><ahref="#implementors">Implementors</a></h3></section><h2><ahref="index.html">In actix_protobuf</a></h2></div></nav><main><divclass="width-limiter"><navclass="sub"><formclass="search-form"><span></span><inputclass="search-input"name="search"autocomplete="off"spellcheck="false"placeholder="Click or press ‘S’ to search, ‘?’ for more options…"type="search"><divid="help-button"title="help"tabindex="-1"><ahref="../help.html">?</a></div><divid="settings-menu"tabindex="-1"><ahref="../settings.html"title="settings"><imgwidth="22"height="22"alt="Change settings"src="../static.files/wheel-5ec35bf9ca753509.svg"></a></div></form></nav><sectionid="main-content"class="content"><divclass="main-heading"><h1class="fqn">Trait <ahref="index.htm