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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 `ClientBuilder` struct in crate `reqwest`."><meta name="keywords" content="rust, rustlang, rust-lang, ClientBuilder"><title>reqwest::ClientBuilder - 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="../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../ayu.css" disabled ><script id="default-settings"></script><script src="../storage.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></head><body class="rustdoc struct"><!--[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><a href='../reqwest/index.html'><div class='logo-container rust-logo'><img src='../rust-logo.png' alt='logo'></div></a><p class="location">Struct ClientBuilder</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#implementations">Methods</a><div class="sidebar-links"><a href="#method.add_root_certificate">add_root_certificate</a><a href="#method.build">build</a><a href="#method.connect_timeout">connect_timeout</a><a href="#method.connection_verbose">connection_verbose</a><a href="#method.danger_accept_invalid_certs">danger_accept_invalid_certs</a><a href="#method.default_headers">default_headers</a><a href="#method.http1_title_case_headers">http1_title_case_headers</a><a href="#method.http2_adaptive_window">http2_adaptive_window</a><a href="#method.http2_initial_connection_window_size">http2_initial_connection_window_size</a><a href="#method.http2_initial_stream_window_size">http2_initial_stream_window_size</a><a href="#method.http2_max_frame_size">http2_max_frame_size</a><a href="#method.http2_prior_knowledge">http2_prior_knowledge</a><a href="#method.https_only">https_only</a><a href="#method.local_address">local_address</a><a href="#method.new">new</a><a href="#method.no_brotli">no_brotli</a><a href="#method.no_gzip">no_gzip</a><a href="#method.no_proxy">no_proxy</a><a href="#method.no_trust_dns">no_trust_dns</a><a href="#method.pool_idle_timeout">pool_idle_timeout</a><a href="#method.pool_max_idle_per_host">pool_max_idle_per_host</a><a href="#method.proxy">proxy</a><a href="#method.redirect">redirect</a><a href="#method.referer">referer</a><a href="#method.tcp_keepalive">tcp_keepalive</a><a href="#method.tcp_nodelay">tcp_nodelay</a><a href="#method.timeout">timeout</a><a href="#method.tls_built_in_root_certs">tls_built_in_root_certs</a><a href="#method.user_agent">user_agent</a></div><a class="sidebar-title" href="#trait-implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Debug">Debug</a><a href="#impl-Default">Default</a></div><a class="sidebar-title" href="#synthetic-implementations">Auto Trait Implementations</a><div class="sidebar-links"><a href="#impl-RefUnwindSafe">!RefUnwindSafe</a><a href="#impl-Send">Send</a><a href="#impl-Sync">Sync</a><a href="#impl-Unpin">Unpin</a><a href="#impl-UnwindSafe">!UnwindSafe</a></div><a class="sidebar-title" href="#blanket-implementations">Blanket Implementations</a><div class="sidebar-links"><a href="#impl-Any">Any</a><a href="#impl-Borrow%3CT%3E">Borrow<T></a><a href="#impl-BorrowMut%3CT%3E">BorrowMut<T></a><a href="#impl-From%3CT%3E">From<T></a><a href="#impl-Instrument">Instrument</a><a href="#impl-Into%3CU%3E">Into<U></a><a href="#impl-TryFrom%3CU%3E">TryFrom<U></a><a href="#impl-TryInto%3CU%3E">TryInto<U></a></div></div><p class="location"><a href="index.html">reqwest</a></p><script>window.sidebarCurrent = {name: "ClientBuilder", ty: "struct", relpath: ""};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button>
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<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="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/reqwest/async_impl/client.rs.html#67-69" title="goto source code">[src]</a></span><span class="in-band">Struct <a href="index.html">reqwest</a>::<wbr><a class="struct" href="">ClientBuilder</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class="rust struct"><span class="docblock attributes top-attr">#[must_use]</span>pub struct ClientBuilder { /* fields omitted */ }</pre></div><div class="docblock"><p>A <code>ClientBuilder</code> can be used to create a <code>Client</code> with custom configuration.</p>
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</div><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><h3 id="impl" class="impl"><code class="in-band">impl <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a href="#impl" class="anchor"></a><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#118-991" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.new" class="method"><code>pub fn <a href="#method.new" class="fnname">new</a>() -> <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#122-169" title="goto source code">[src]</a></h4><div class="docblock"><p>Constructs a new <code>ClientBuilder</code>.</p>
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<p>This is the same as <code>Client::builder()</code>.</p>
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</div><h4 id="method.build" class="method"><code>pub fn <a href="#method.build" class="fnname">build</a>(self) -> <a class="type" href="../reqwest/type.Result.html" title="type reqwest::Result">Result</a><<a class="struct" href="../reqwest/struct.Client.html" title="struct reqwest::Client">Client</a>></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#177-362" title="goto source code">[src]</a></h4><div class="docblock"><p>Returns a <code>Client</code> that uses this <code>ClientBuilder</code> configuration.</p>
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<h1 id="errors" class="section-header"><a href="#errors">Errors</a></h1>
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<p>This method fails if TLS backend cannot be initialized, or the resolver
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cannot load the system configuration.</p>
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</div><h4 id="method.user_agent" class="method"><code>pub fn <a href="#method.user_agent" class="fnname">user_agent</a><V>(self, value: V) -> <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a> <span class="where fmt-newline">where<br> V: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a><<a class="struct" href="../reqwest/header/struct.HeaderValue.html" title="struct reqwest::header::HeaderValue">HeaderValue</a>>,<br> V::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error" title="type core::convert::TryInto::Error">Error</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="struct" href="../http/error/struct.Error.html" title="struct http::error::Error">Error</a>>, </span></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#386-400" title="goto source code">[src]</a></h4><div class="docblock"><p>Sets the <code>User-Agent</code> header to be used by this client.</p>
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<h1 id="example" class="section-header"><a href="#example">Example</a></h1>
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<div class="example-wrap"><pre class="rust rust-example-rendered">
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<span class="comment">// Name your user agent after your app?</span>
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<span class="kw">static</span> <span class="ident">APP_USER_AGENT</span>: <span class="kw-2">&</span><span class="ident">str</span> <span class="op">=</span> <span class="macro">concat</span><span class="macro">!</span>(
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<span class="macro">env</span><span class="macro">!</span>(<span class="string">"CARGO_PKG_NAME"</span>),
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<span class="string">"/"</span>,
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<span class="macro">env</span><span class="macro">!</span>(<span class="string">"CARGO_PKG_VERSION"</span>),
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);
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<span class="kw">let</span> <span class="ident">client</span> <span class="op">=</span> <span class="ident">reqwest</span>::<span class="ident">Client</span>::<span class="ident">builder</span>()
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.<span class="ident">user_agent</span>(<span class="ident">APP_USER_AGENT</span>)
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.<span class="ident">build</span>()<span class="question-mark">?</span>;
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<span class="kw">let</span> <span class="ident">res</span> <span class="op">=</span> <span class="ident">client</span>.<span class="ident">get</span>(<span class="string">"https://www.rust-lang.org"</span>).<span class="ident">send</span>().<span class="kw">await</span><span class="question-mark">?</span>;</pre></div>
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</div><h4 id="method.default_headers" class="method"><code>pub fn <a href="#method.default_headers" class="fnname">default_headers</a>(self, headers: <a class="struct" href="../reqwest/header/struct.HeaderMap.html" title="struct reqwest::header::HeaderMap">HeaderMap</a>) -> <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#445-450" title="goto source code">[src]</a></h4><div class="docblock"><p>Sets the default headers for every request.</p>
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<h1 id="example-1" class="section-header"><a href="#example-1">Example</a></h1>
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<div class="example-wrap"><pre class="rust rust-example-rendered">
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<span class="kw">use</span> <span class="ident">reqwest</span>::<span class="ident">header</span>;
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">headers</span> <span class="op">=</span> <span class="ident">header</span>::<span class="ident">HeaderMap</span>::<span class="ident">new</span>();
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<span class="ident">headers</span>.<span class="ident">insert</span>(<span class="string">"X-MY-HEADER"</span>, <span class="ident">header</span>::<span class="ident">HeaderValue</span>::<span class="ident">from_static</span>(<span class="string">"value"</span>));
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<span class="comment">// Consider marking security-sensitive headers with `set_sensitive`.</span>
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">auth_value</span> <span class="op">=</span> <span class="ident">header</span>::<span class="ident">HeaderValue</span>::<span class="ident">from_static</span>(<span class="string">"secret"</span>);
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<span class="ident">auth_value</span>.<span class="ident">set_sensitive</span>(<span class="bool-val">true</span>);
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<span class="ident">headers</span>.<span class="ident">insert</span>(<span class="ident">header</span>::<span class="ident">AUTHORIZATION</span>, <span class="ident">auth_value</span>);
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<span class="comment">// get a client builder</span>
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<span class="kw">let</span> <span class="ident">client</span> <span class="op">=</span> <span class="ident">reqwest</span>::<span class="ident">Client</span>::<span class="ident">builder</span>()
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.<span class="ident">default_headers</span>(<span class="ident">headers</span>)
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.<span class="ident">build</span>()<span class="question-mark">?</span>;
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<span class="kw">let</span> <span class="ident">res</span> <span class="op">=</span> <span class="ident">client</span>.<span class="ident">get</span>(<span class="string">"https://www.rust-lang.org"</span>).<span class="ident">send</span>().<span class="kw">await</span><span class="question-mark">?</span>;</pre></div>
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<p>Override the default headers:</p>
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<div class="example-wrap"><pre class="rust rust-example-rendered">
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<span class="kw">use</span> <span class="ident">reqwest</span>::<span class="ident">header</span>;
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">headers</span> <span class="op">=</span> <span class="ident">header</span>::<span class="ident">HeaderMap</span>::<span class="ident">new</span>();
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<span class="ident">headers</span>.<span class="ident">insert</span>(<span class="string">"X-MY-HEADER"</span>, <span class="ident">header</span>::<span class="ident">HeaderValue</span>::<span class="ident">from_static</span>(<span class="string">"value"</span>));
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<span class="comment">// get a client builder</span>
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<span class="kw">let</span> <span class="ident">client</span> <span class="op">=</span> <span class="ident">reqwest</span>::<span class="ident">Client</span>::<span class="ident">builder</span>()
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.<span class="ident">default_headers</span>(<span class="ident">headers</span>)
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.<span class="ident">build</span>()<span class="question-mark">?</span>;
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<span class="kw">let</span> <span class="ident">res</span> <span class="op">=</span> <span class="ident">client</span>
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.<span class="ident">get</span>(<span class="string">"https://www.rust-lang.org"</span>)
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.<span class="ident">header</span>(<span class="string">"X-MY-HEADER"</span>, <span class="string">"new_value"</span>)
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.<span class="ident">send</span>()
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.<span class="kw">await</span><span class="question-mark">?</span>;</pre></div>
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</div><h4 id="method.no_gzip" class="method"><code>pub fn <a href="#method.no_gzip" class="fnname">no_gzip</a>(self) -> <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#544-554" title="goto source code">[src]</a></h4><div class="docblock"><p>Disable auto response body gzip decompression.</p>
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<p>This method exists even if the optional <code>gzip</code> feature is not enabled.
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This can be used to ensure a <code>Client</code> doesn't use gzip decompression
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even if another dependency were to enable the optional <code>gzip</code> feature.</p>
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</div><h4 id="method.no_brotli" class="method"><code>pub fn <a href="#method.no_brotli" class="fnname">no_brotli</a>(self) -> <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#561-571" title="goto source code">[src]</a></h4><div class="docblock"><p>Disable auto response body brotli decompression.</p>
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<p>This method exists even if the optional <code>brotli</code> feature is not enabled.
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This can be used to ensure a <code>Client</code> doesn't use brotli decompression
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even if another dependency were to enable the optional <code>brotli</code> feature.</p>
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</div><h4 id="method.redirect" class="method"><code>pub fn <a href="#method.redirect" class="fnname">redirect</a>(self, policy: <a class="struct" href="../reqwest/redirect/struct.Policy.html" title="struct reqwest::redirect::Policy">Policy</a>) -> <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#578-581" title="goto source code">[src]</a></h4><div class="docblock"><p>Set a <code>RedirectPolicy</code> for this client.</p>
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<p>Default will follow redirects up to a maximum of 10.</p>
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</div><h4 id="method.referer" class="method"><code>pub fn <a href="#method.referer" class="fnname">referer</a>(self, enable: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>) -> <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#586-589" title="goto source code">[src]</a></h4><div class="docblock"><p>Enable or disable automatic setting of the <code>Referer</code> header.</p>
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<p>Default is <code>true</code>.</p>
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</div><h4 id="method.proxy" class="method"><code>pub fn <a href="#method.proxy" class="fnname">proxy</a>(self, proxy: <a class="struct" href="../reqwest/struct.Proxy.html" title="struct reqwest::Proxy">Proxy</a>) -> <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#598-602" title="goto source code">[src]</a></h4><div class="docblock"><p>Add a <code>Proxy</code> to the list of proxies the <code>Client</code> will use.</p>
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<h1 id="note" class="section-header"><a href="#note">Note</a></h1>
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<p>Adding a proxy will disable the automatic usage of the "system" proxy.</p>
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</div><h4 id="method.no_proxy" class="method"><code>pub fn <a href="#method.no_proxy" class="fnname">no_proxy</a>(self) -> <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#607-611" title="goto source code">[src]</a></h4><div class="docblock"><p>Clear all <code>Proxies</code>, so <code>Client</code> will use no proxy anymore.</p>
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<p>This also disables the automatic usage of the "system" proxy.</p>
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</div><h4 id="method.timeout" class="method"><code>pub fn <a href="#method.timeout" class="fnname">timeout</a>(self, timeout: <a class="struct" href="https://doc.rust-lang.org/nightly/core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>) -> <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#621-624" title="goto source code">[src]</a></h4><div class="docblock"><p>Enables a request timeout.</p>
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<p>The timeout is applied from when the request starts connecting until the
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response body has finished.</p>
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<p>Default is no timeout.</p>
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</div><h4 id="method.connect_timeout" class="method"><code>pub fn <a href="#method.connect_timeout" class="fnname">connect_timeout</a>(self, timeout: <a class="struct" href="https://doc.rust-lang.org/nightly/core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>) -> <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#634-637" title="goto source code">[src]</a></h4><div class="docblock"><p>Set a timeout for only the connect phase of a <code>Client</code>.</p>
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<p>Default is <code>None</code>.</p>
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<h1 id="note-1" class="section-header"><a href="#note-1">Note</a></h1>
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<p>This <strong>requires</strong> the futures be executed in a tokio runtime with
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a tokio timer enabled.</p>
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</div><h4 id="method.connection_verbose" class="method"><code>pub fn <a href="#method.connection_verbose" class="fnname">connection_verbose</a>(self, verbose: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>) -> <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#645-648" title="goto source code">[src]</a></h4><div class="docblock"><p>Set whether connections should emit verbose logs.</p>
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<p>Enabling this option will emit <a href="https://crates.io/crates/log">log</a> messages at the <code>TRACE</code> level
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for read and write operations on connections.</p>
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</div><h4 id="method.pool_idle_timeout" class="method"><code>pub fn <a href="#method.pool_idle_timeout" class="fnname">pool_idle_timeout</a><D>(self, val: D) -> <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a> <span class="where fmt-newline">where<br> D: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="https://doc.rust-lang.org/nightly/core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>>>, </span></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#657-663" title="goto source code">[src]</a></h4><div class="docblock"><p>Set an optional timeout for idle sockets being kept-alive.</p>
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<p>Pass <code>None</code> to disable timeout.</p>
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<p>Default is 90 seconds.</p>
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</div><h4 id="method.pool_max_idle_per_host" class="method"><code>pub fn <a href="#method.pool_max_idle_per_host" class="fnname">pool_max_idle_per_host</a>(self, max: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#666-669" title="goto source code">[src]</a></h4><div class="docblock"><p>Sets the maximum idle connection per host allowed in the pool.</p>
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</div><h4 id="method.http1_title_case_headers" class="method"><code>pub fn <a href="#method.http1_title_case_headers" class="fnname">http1_title_case_headers</a>(self) -> <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#672-675" title="goto source code">[src]</a></h4><div class="docblock"><p>Enable case sensitive headers.</p>
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</div><h4 id="method.http2_prior_knowledge" class="method"><code>pub fn <a href="#method.http2_prior_knowledge" class="fnname">http2_prior_knowledge</a>(self) -> <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#678-681" title="goto source code">[src]</a></h4><div class="docblock"><p>Only use HTTP/2.</p>
|
||
</div><h4 id="method.http2_initial_stream_window_size" class="method"><code>pub fn <a href="#method.http2_initial_stream_window_size" class="fnname">http2_initial_stream_window_size</a>(<br> self, <br> sz: impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>>><br>) -> <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#686-689" title="goto source code">[src]</a></h4><div class="docblock"><p>Sets the <code>SETTINGS_INITIAL_WINDOW_SIZE</code> option for HTTP2 stream-level flow control.</p>
|
||
<p>Default is currently 65,535 but may change internally to optimize for common uses.</p>
|
||
</div><h4 id="method.http2_initial_connection_window_size" class="method"><code>pub fn <a href="#method.http2_initial_connection_window_size" class="fnname">http2_initial_connection_window_size</a>(<br> self, <br> sz: impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>>><br>) -> <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#694-700" title="goto source code">[src]</a></h4><div class="docblock"><p>Sets the max connection-level flow control for HTTP2</p>
|
||
<p>Default is currently 65,535 but may change internally to optimize for common uses.</p>
|
||
</div><h4 id="method.http2_adaptive_window" class="method"><code>pub fn <a href="#method.http2_adaptive_window" class="fnname">http2_adaptive_window</a>(self, enabled: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>) -> <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#706-709" title="goto source code">[src]</a></h4><div class="docblock"><p>Sets whether to use an adaptive flow control.</p>
|
||
<p>Enabling this will override the limits set in <code>http2_initial_stream_window_size</code> and
|
||
<code>http2_initial_connection_window_size</code>.</p>
|
||
</div><h4 id="method.http2_max_frame_size" class="method"><code>pub fn <a href="#method.http2_max_frame_size" class="fnname">http2_max_frame_size</a>(self, sz: impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>>>) -> <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#714-717" title="goto source code">[src]</a></h4><div class="docblock"><p>Sets the maximum frame size to use for HTTP2.</p>
|
||
<p>Default is currently 16,384 but may change internally to optimize for common uses.</p>
|
||
</div><h4 id="method.tcp_nodelay" class="method"><code>pub fn <a href="#method.tcp_nodelay" class="fnname">tcp_nodelay</a>(self, enabled: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>) -> <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#724-727" title="goto source code">[src]</a></h4><div class="docblock"><p>Set whether sockets have <code>SO_NODELAY</code> enabled.</p>
|
||
<p>Default is <code>true</code>.</p>
|
||
</div><h4 id="method.local_address" class="method"><code>pub fn <a href="#method.local_address" class="fnname">local_address</a><T>(self, addr: T) -> <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a> <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</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>>>, </span></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#740-746" title="goto source code">[src]</a></h4><div class="docblock"><p>Bind to a local IP Address.</p>
|
||
<h1 id="example-2" class="section-header"><a href="#example-2">Example</a></h1>
|
||
<div class="example-wrap"><pre class="rust rust-example-rendered">
|
||
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">net</span>::<span class="ident">IpAddr</span>;
|
||
<span class="kw">let</span> <span class="ident">local_addr</span> <span class="op">=</span> <span class="ident">IpAddr</span>::<span class="ident">from</span>([<span class="number">12</span>, <span class="number">4</span>, <span class="number">1</span>, <span class="number">8</span>]);
|
||
<span class="kw">let</span> <span class="ident">client</span> <span class="op">=</span> <span class="ident">reqwest</span>::<span class="ident">Client</span>::<span class="ident">builder</span>()
|
||
.<span class="ident">local_address</span>(<span class="ident">local_addr</span>)
|
||
.<span class="ident">build</span>().<span class="ident">unwrap</span>();</pre></div>
|
||
</div><h4 id="method.tcp_keepalive" class="method"><code>pub fn <a href="#method.tcp_keepalive" class="fnname">tcp_keepalive</a><D>(self, val: D) -> <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a> <span class="where fmt-newline">where<br> D: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="https://doc.rust-lang.org/nightly/core/time/struct.Duration.html" title="struct core::time::Duration">Duration</a>>>, </span></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#751-757" title="goto source code">[src]</a></h4><div class="docblock"><p>Set that all sockets have <code>SO_KEEPALIVE</code> set with the supplied duration.</p>
|
||
<p>If <code>None</code>, the option will not be set.</p>
|
||
</div><h4 id="method.add_root_certificate" class="method"><code>pub fn <a href="#method.add_root_certificate" class="fnname">add_root_certificate</a>(self, cert: <a class="struct" href="../reqwest/struct.Certificate.html" title="struct reqwest::Certificate">Certificate</a>) -> <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#779-782" title="goto source code">[src]</a></h4><div class="docblock"><p>Add a custom root certificate.</p>
|
||
<p>This can be used to connect to a server that has a self-signed
|
||
certificate for example.</p>
|
||
<h1 id="optional" class="section-header"><a href="#optional">Optional</a></h1>
|
||
<p>This requires the optional <code>default-tls</code>, <code>native-tls</code>, or <code>rustls-tls(-...)</code>
|
||
feature to be enabled.</p>
|
||
</div><h4 id="method.tls_built_in_root_certs" class="method"><code>pub fn <a href="#method.tls_built_in_root_certs" class="fnname">tls_built_in_root_certs</a>(<br> self, <br> tls_built_in_root_certs: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a><br>) -> <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#801-804" title="goto source code">[src]</a></h4><div class="docblock"><p>Controls the use of built-in/preloaded certificates during certificate validation.</p>
|
||
<p>Defaults to <code>true</code> -- built-in system certs will be used.</p>
|
||
<h1 id="optional-1" class="section-header"><a href="#optional-1">Optional</a></h1>
|
||
<p>This requires the optional <code>default-tls</code>, <code>native-tls</code>, or <code>rustls-tls(-...)</code>
|
||
feature to be enabled.</p>
|
||
</div><h4 id="method.danger_accept_invalid_certs" class="method"><code>pub fn <a href="#method.danger_accept_invalid_certs" class="fnname">danger_accept_invalid_certs</a>(<br> self, <br> accept_invalid_certs: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a><br>) -> <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#868-871" title="goto source code">[src]</a></h4><div class="docblock"><p>Controls the use of certificate validation.</p>
|
||
<p>Defaults to <code>false</code>.</p>
|
||
<h1 id="warning" class="section-header"><a href="#warning">Warning</a></h1>
|
||
<p>You should think very carefully before using this method. If
|
||
invalid certificates are trusted, <em>any</em> certificate for <em>any</em> site
|
||
will be trusted for use. This includes expired certificates. This
|
||
introduces significant vulnerabilities, and should only be used
|
||
as a last resort.</p>
|
||
<h1 id="optional-2" class="section-header"><a href="#optional-2">Optional</a></h1>
|
||
<p>This requires the optional <code>default-tls</code>, <code>native-tls</code>, or <code>rustls-tls(-...)</code>
|
||
feature to be enabled.</p>
|
||
</div><h4 id="method.no_trust_dns" class="method"><code>pub fn <a href="#method.no_trust_dns" class="fnname">no_trust_dns</a>(self) -> <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#972-982" title="goto source code">[src]</a></h4><div class="docblock"><p>Disables the trust-dns async resolver.</p>
|
||
<p>This method exists even if the optional <code>trust-dns</code> feature is not enabled.
|
||
This can be used to ensure a <code>Client</code> doesn't use the trust-dns async resolver
|
||
even if another dependency were to enable the optional <code>trust-dns</code> feature.</p>
|
||
</div><h4 id="method.https_only" class="method"><code>pub fn <a href="#method.https_only" class="fnname">https_only</a>(self, enabled: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>) -> <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#987-990" title="goto source code">[src]</a></h4><div class="docblock"><p>Restrict the Client to be used with HTTPS only requests.</p>
|
||
<p>Defaults to false.</p>
|
||
</div></div><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><h3 id="impl-Debug" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a href="#impl-Debug" class="anchor"></a><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#1225-1231" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.fmt" class="method hidden"><code>fn <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt" class="fnname">fmt</a>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a><'_>) -> <a class="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#1226-1230" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
|
||
</div></div><h3 id="impl-Default" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/default/trait.Default.html" title="trait core::default::Default">Default</a> for <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a href="#impl-Default" class="anchor"></a><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#112-116" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.default" class="method hidden"><code>fn <a href="https://doc.rust-lang.org/nightly/core/default/trait.Default.html#tymethod.default" class="fnname">default</a>() -> Self</code><a class="srclink" href="../src/reqwest/async_impl/client.rs.html#113-115" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Returns the "default value" for a type. <a href="https://doc.rust-lang.org/nightly/core/default/trait.Default.html#tymethod.default">Read more</a></p>
|
||
</div></div></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><h3 id="impl-RefUnwindSafe" class="impl"><code class="in-band">impl !<a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.RefUnwindSafe.html" title="trait std::panic::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a href="#impl-RefUnwindSafe" class="anchor"></a><a class="srclink" href="../src/reqwest/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-Send" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a href="#impl-Send" class="anchor"></a><a class="srclink" href="../src/reqwest/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-Sync" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a href="#impl-Sync" class="anchor"></a><a class="srclink" href="../src/reqwest/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-Unpin" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a href="#impl-Unpin" class="anchor"></a><a class="srclink" href="../src/reqwest/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-UnwindSafe" class="impl"><code class="in-band">impl !<a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a> for <a class="struct" href="../reqwest/struct.ClientBuilder.html" title="struct reqwest::ClientBuilder">ClientBuilder</a></code><a href="#impl-UnwindSafe" class="anchor"></a><a class="srclink" href="../src/reqwest/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><h3 id="impl-Any" class="impl"><code class="in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br> T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href="#impl-Any" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#108-112" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.type_id" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id" class="fnname">type_id</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#109-111" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
|
||
</div></div><h3 id="impl-Borrow%3CT%3E" class="impl"><code class="in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><T> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href="#impl-Borrow%3CT%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#210-214" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.borrow" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow" class="fnname">borrow</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#211-213" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
|
||
</div></div><h3 id="impl-BorrowMut%3CT%3E" class="impl"><code class="in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href="#impl-BorrowMut%3CT%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#217-221" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.borrow_mut" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fnname">borrow_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#218-220" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
|
||
</div></div><h3 id="impl-From%3CT%3E" class="impl"><code class="in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for T</code><a href="#impl-From%3CT%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#552-556" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.from" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(t: T) -> T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#553-555" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
|
||
</div></div><h3 id="impl-Instrument" class="impl"><code class="in-band">impl<T> <a class="trait" href="../tracing/instrument/trait.Instrument.html" title="trait tracing::instrument::Instrument">Instrument</a> for T</code><a href="#impl-Instrument" class="anchor"></a><a class="srclink" href="../src/tracing/instrument.rs.html#155" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.instrument" class="method hidden"><code>pub fn <a href="../tracing/instrument/trait.Instrument.html#method.instrument" class="fnname">instrument</a>(self, span: <a class="struct" href="../tracing/span/struct.Span.html" title="struct tracing::span::Span">Span</a>) -> <a class="struct" href="../tracing/instrument/struct.Instrumented.html" title="struct tracing::instrument::Instrumented">Instrumented</a><Self></code><a class="srclink" href="../src/tracing/instrument.rs.html#38-40" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Instruments this type with the provided <code>Span</code>, returning an
|
||
<code>Instrumented</code> wrapper. <a href="../tracing/instrument/trait.Instrument.html#method.instrument">Read more</a></p>
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||
</div><h4 id="method.in_current_span" class="method hidden"><code>pub fn <a href="../tracing/instrument/trait.Instrument.html#method.in_current_span" class="fnname">in_current_span</a>(self) -> <a class="struct" href="../tracing/instrument/struct.Instrumented.html" title="struct tracing::instrument::Instrumented">Instrumented</a><Self></code><a class="srclink" href="../src/tracing/instrument.rs.html#74-76" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Instruments this type with the <a href="../struct.Span.html#method.current">current</a> <code>Span</code>, returning an
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<code>Instrumented</code> wrapper. <a href="../tracing/instrument/trait.Instrument.html#method.in_current_span">Read more</a></p>
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</div></div><h3 id="impl-Into%3CU%3E" class="impl"><code class="in-band">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T>, </span></code><a href="#impl-Into%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#541-548" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.into" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into" class="fnname">into</a>(self) -> U</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#545-547" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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</div></div><h3 id="impl-TryFrom%3CU%3E" class="impl"><code class="in-band">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><T>, </span></code><a href="#impl-TryFrom%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#589-598" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Error" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" class="type">Error</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
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</div><h4 id="method.try_from" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from" class="fnname">try_from</a>(value: U) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#595-597" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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</div></div><h3 id="impl-TryInto%3CU%3E" class="impl"><code class="in-band">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>, </span></code><a href="#impl-TryInto%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#575-584" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Error-1" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error" class="type">Error</a> = <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
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</div><h4 id="method.try_into" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into" class="fnname">try_into</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#581-583" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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