<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source to the Rust file `libstd/sys/unix/args.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>args.rs.html -- source</title><link rel="stylesheet" type="text/css" href="../../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../../dark.css"><link rel="stylesheet" type="text/css" href="../../../../light.css" id="themeStyle"><script src="../../../../storage.js"></script><link rel="shortcut icon" href="https://doc.rust-lang.org/favicon.ico"></head><body class="rustdoc source"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><a href='../../../../std/index.html'><img src='https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png' alt='logo' width='100'></a></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../../../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><a id="settings-menu" href="../../../../settings.html"><img src="../../../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><pre class="line-numbers"><span id="1"> 1</span> <span id="2"> 2</span> <span id="3"> 3</span> <span id="4"> 4</span> <span id="5"> 5</span> <span id="6"> 6</span> <span id="7"> 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id="202">202</span> <span id="203">203</span> <span id="204">204</span> <span id="205">205</span> <span id="206">206</span> <span id="207">207</span> <span id="208">208</span> <span id="209">209</span> <span id="210">210</span> <span id="211">211</span> <span id="212">212</span> <span id="213">213</span> <span id="214">214</span> <span id="215">215</span> <span id="216">216</span> <span id="217">217</span> <span id="218">218</span> <span id="219">219</span> <span id="220">220</span> </pre><pre class="rust "> <span class="comment">// Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT</span> <span class="comment">// file at the top-level directory of this distribution and at</span> <span class="comment">// http://rust-lang.org/COPYRIGHT.</span> <span class="comment">//</span> <span class="comment">// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license</span> <span class="comment">// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your</span> <span class="comment">// option. This file may not be copied, modified, or distributed</span> <span class="comment">// except according to those terms.</span> <span class="doccomment">//! Global initialization and retrieval of command line arguments.</span> <span class="doccomment">//!</span> <span class="doccomment">//! On some platforms these are stored during runtime startup,</span> <span class="doccomment">//! and on some they are retrieved from the system on demand.</span> <span class="attribute">#![<span class="ident">allow</span>(<span class="ident">dead_code</span>)]</span> <span class="comment">// runtime init functions not used during testing</span> <span class="kw">use</span> <span class="ident">ffi</span>::<span class="ident">OsString</span>; <span class="kw">use</span> <span class="ident">marker</span>::<span class="ident">PhantomData</span>; <span class="kw">use</span> <span class="ident">vec</span>; <span class="doccomment">/// One-time global initialization.</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">init</span>(<span class="ident">argc</span>: <span class="ident">isize</span>, <span class="ident">argv</span>: <span class="kw-2">*</span><span class="kw">const</span> <span class="kw-2">*</span><span class="kw">const</span> <span class="ident">u8</span>) { <span class="ident">imp</span>::<span class="ident">init</span>(<span class="ident">argc</span>, <span class="ident">argv</span>) } <span class="doccomment">/// One-time global cleanup.</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">cleanup</span>() { <span class="ident">imp</span>::<span class="ident">cleanup</span>() } <span class="doccomment">/// Returns the command line arguments</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">args</span>() <span class="op">-></span> <span class="ident">Args</span> { <span class="ident">imp</span>::<span class="ident">args</span>() } <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Args</span> { <span class="ident">iter</span>: <span class="ident">vec</span>::<span class="ident">IntoIter</span><span class="op"><</span><span class="ident">OsString</span><span class="op">></span>, <span class="ident">_dont_send_or_sync_me</span>: <span class="ident">PhantomData</span><span class="op"><</span><span class="kw-2">*</span><span class="kw-2">mut</span> ()<span class="op">></span>, } <span class="kw">impl</span> <span class="ident">Args</span> { <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">inner_debug</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span>[<span class="ident">OsString</span>] { <span class="self">self</span>.<span class="ident">iter</span>.<span class="ident">as_slice</span>() } } <span class="kw">impl</span> <span class="ident">Iterator</span> <span class="kw">for</span> <span class="ident">Args</span> { <span class="kw">type</span> <span class="ident">Item</span> <span class="op">=</span> <span class="ident">OsString</span>; <span class="kw">fn</span> <span class="ident">next</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">OsString</span><span class="op">></span> { <span class="self">self</span>.<span class="ident">iter</span>.<span class="ident">next</span>() } <span class="kw">fn</span> <span class="ident">size_hint</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> (<span class="ident">usize</span>, <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span>) { <span class="self">self</span>.<span class="ident">iter</span>.<span class="ident">size_hint</span>() } } <span class="kw">impl</span> <span class="ident">ExactSizeIterator</span> <span class="kw">for</span> <span class="ident">Args</span> { <span class="kw">fn</span> <span class="ident">len</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">usize</span> { <span class="self">self</span>.<span class="ident">iter</span>.<span class="ident">len</span>() } } <span class="kw">impl</span> <span class="ident">DoubleEndedIterator</span> <span class="kw">for</span> <span class="ident">Args</span> { <span class="kw">fn</span> <span class="ident">next_back</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">OsString</span><span class="op">></span> { <span class="self">self</span>.<span class="ident">iter</span>.<span class="ident">next_back</span>() } } <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">target_os</span> <span class="op">=</span> <span class="string">"linux"</span>, <span class="ident">target_os</span> <span class="op">=</span> <span class="string">"android"</span>, <span class="ident">target_os</span> <span class="op">=</span> <span class="string">"freebsd"</span>, <span class="ident">target_os</span> <span class="op">=</span> <span class="string">"dragonfly"</span>, <span class="ident">target_os</span> <span class="op">=</span> <span class="string">"bitrig"</span>, <span class="ident">target_os</span> <span class="op">=</span> <span class="string">"netbsd"</span>, <span class="ident">target_os</span> <span class="op">=</span> <span class="string">"openbsd"</span>, <span class="ident">target_os</span> <span class="op">=</span> <span class="string">"solaris"</span>, <span class="ident">target_os</span> <span class="op">=</span> <span class="string">"emscripten"</span>, <span class="ident">target_os</span> <span class="op">=</span> <span class="string">"haiku"</span>, <span class="ident">target_os</span> <span class="op">=</span> <span class="string">"l4re"</span>, <span class="ident">target_os</span> <span class="op">=</span> <span class="string">"fuchsia"</span>))]</span> <span class="kw">mod</span> <span class="ident">imp</span> { <span class="kw">use</span> <span class="ident">os</span>::<span class="ident">unix</span>::<span class="ident">prelude</span>::<span class="kw-2">*</span>; <span class="kw">use</span> <span class="ident">ptr</span>; <span class="kw">use</span> <span class="ident">ffi</span>::{<span class="ident">CStr</span>, <span class="ident">OsString</span>}; <span class="kw">use</span> <span class="ident">marker</span>::<span class="ident">PhantomData</span>; <span class="kw">use</span> <span class="ident">libc</span>; <span class="kw">use</span> <span class="kw">super</span>::<span class="ident">Args</span>; <span class="kw">use</span> <span class="ident">sys_common</span>::<span class="ident">mutex</span>::<span class="ident">Mutex</span>; <span class="kw">static</span> <span class="kw-2">mut</span> <span class="ident">ARGC</span>: <span class="ident">isize</span> <span class="op">=</span> <span class="number">0</span>; <span class="kw">static</span> <span class="kw-2">mut</span> <span class="ident">ARGV</span>: <span class="kw-2">*</span><span class="kw">const</span> <span class="kw-2">*</span><span class="kw">const</span> <span class="ident">u8</span> <span class="op">=</span> <span class="ident">ptr</span>::<span class="ident">null</span>(); <span class="kw">static</span> <span class="ident">LOCK</span>: <span class="ident">Mutex</span> <span class="op">=</span> <span class="ident">Mutex</span>::<span class="ident">new</span>(); <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">init</span>(<span class="ident">argc</span>: <span class="ident">isize</span>, <span class="ident">argv</span>: <span class="kw-2">*</span><span class="kw">const</span> <span class="kw-2">*</span><span class="kw">const</span> <span class="ident">u8</span>) { <span class="ident">LOCK</span>.<span class="ident">lock</span>(); <span class="ident">ARGC</span> <span class="op">=</span> <span class="ident">argc</span>; <span class="ident">ARGV</span> <span class="op">=</span> <span class="ident">argv</span>; <span class="ident">LOCK</span>.<span class="ident">unlock</span>(); } <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">cleanup</span>() { <span class="ident">LOCK</span>.<span class="ident">lock</span>(); <span class="ident">ARGC</span> <span class="op">=</span> <span class="number">0</span>; <span class="ident">ARGV</span> <span class="op">=</span> <span class="ident">ptr</span>::<span class="ident">null</span>(); <span class="ident">LOCK</span>.<span class="ident">unlock</span>(); } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">args</span>() <span class="op">-></span> <span class="ident">Args</span> { <span class="ident">Args</span> { <span class="ident">iter</span>: <span class="ident">clone</span>().<span class="ident">into_iter</span>(), <span class="ident">_dont_send_or_sync_me</span>: <span class="ident">PhantomData</span> } } <span class="kw">fn</span> <span class="ident">clone</span>() <span class="op">-></span> <span class="ident">Vec</span><span class="op"><</span><span class="ident">OsString</span><span class="op">></span> { <span class="kw">unsafe</span> { <span class="ident">LOCK</span>.<span class="ident">lock</span>(); <span class="kw">let</span> <span class="ident">ret</span> <span class="op">=</span> (<span class="number">0</span>..<span class="ident">ARGC</span>).<span class="ident">map</span>(<span class="op">|</span><span class="ident">i</span><span class="op">|</span> { <span class="kw">let</span> <span class="ident">cstr</span> <span class="op">=</span> <span class="ident">CStr</span>::<span class="ident">from_ptr</span>(<span class="kw-2">*</span><span class="ident">ARGV</span>.<span class="ident">offset</span>(<span class="ident">i</span>) <span class="kw">as</span> <span class="kw-2">*</span><span class="kw">const</span> <span class="ident">libc</span>::<span class="ident">c_char</span>); <span class="ident">OsStringExt</span>::<span class="ident">from_vec</span>(<span class="ident">cstr</span>.<span class="ident">to_bytes</span>().<span class="ident">to_vec</span>()) }).<span class="ident">collect</span>(); <span class="ident">LOCK</span>.<span class="ident">unlock</span>(); <span class="kw">return</span> <span class="ident">ret</span> } } } <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">target_os</span> <span class="op">=</span> <span class="string">"macos"</span>, <span class="ident">target_os</span> <span class="op">=</span> <span class="string">"ios"</span>))]</span> <span class="kw">mod</span> <span class="ident">imp</span> { <span class="kw">use</span> <span class="ident">ffi</span>::<span class="ident">CStr</span>; <span class="kw">use</span> <span class="ident">marker</span>::<span class="ident">PhantomData</span>; <span class="kw">use</span> <span class="ident">libc</span>; <span class="kw">use</span> <span class="kw">super</span>::<span class="ident">Args</span>; <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">init</span>(<span class="ident">_argc</span>: <span class="ident">isize</span>, <span class="ident">_argv</span>: <span class="kw-2">*</span><span class="kw">const</span> <span class="kw-2">*</span><span class="kw">const</span> <span class="ident">u8</span>) { } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">cleanup</span>() { } <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_os</span> <span class="op">=</span> <span class="string">"macos"</span>)]</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">args</span>() <span class="op">-></span> <span class="ident">Args</span> { <span class="kw">use</span> <span class="ident">os</span>::<span class="ident">unix</span>::<span class="ident">prelude</span>::<span class="kw-2">*</span>; <span class="kw">extern</span> { <span class="comment">// These functions are in crt_externs.h.</span> <span class="kw">fn</span> <span class="ident">_NSGetArgc</span>() <span class="op">-></span> <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="ident">libc</span>::<span class="ident">c_int</span>; <span class="kw">fn</span> <span class="ident">_NSGetArgv</span>() <span class="op">-></span> <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="ident">libc</span>::<span class="ident">c_char</span>; } <span class="kw">let</span> <span class="ident">vec</span> <span class="op">=</span> <span class="kw">unsafe</span> { <span class="kw">let</span> (<span class="ident">argc</span>, <span class="ident">argv</span>) <span class="op">=</span> (<span class="kw-2">*</span><span class="ident">_NSGetArgc</span>() <span class="kw">as</span> <span class="ident">isize</span>, <span class="kw-2">*</span><span class="ident">_NSGetArgv</span>() <span class="kw">as</span> <span class="kw-2">*</span><span class="kw">const</span> <span class="kw-2">*</span><span class="kw">const</span> <span class="ident">libc</span>::<span class="ident">c_char</span>); (<span class="number">0</span>.. <span class="ident">argc</span> <span class="kw">as</span> <span class="ident">isize</span>).<span class="ident">map</span>(<span class="op">|</span><span class="ident">i</span><span class="op">|</span> { <span class="kw">let</span> <span class="ident">bytes</span> <span class="op">=</span> <span class="ident">CStr</span>::<span class="ident">from_ptr</span>(<span class="kw-2">*</span><span class="ident">argv</span>.<span class="ident">offset</span>(<span class="ident">i</span>)).<span class="ident">to_bytes</span>().<span class="ident">to_vec</span>(); <span class="ident">OsStringExt</span>::<span class="ident">from_vec</span>(<span class="ident">bytes</span>) }).<span class="ident">collect</span>::<span class="op"><</span><span class="ident">Vec</span><span class="op"><</span><span class="kw">_</span><span class="op">>></span>() }; <span class="ident">Args</span> { <span class="ident">iter</span>: <span class="ident">vec</span>.<span class="ident">into_iter</span>(), <span class="ident">_dont_send_or_sync_me</span>: <span class="ident">PhantomData</span>, } } <span class="comment">// As _NSGetArgc and _NSGetArgv aren't mentioned in iOS docs</span> <span class="comment">// and use underscores in their names - they're most probably</span> <span class="comment">// are considered private and therefore should be avoided</span> <span class="comment">// Here is another way to get arguments using Objective C</span> <span class="comment">// runtime</span> <span class="comment">//</span> <span class="comment">// In general it looks like:</span> <span class="comment">// res = Vec::new()</span> <span class="comment">// let args = [[NSProcessInfo processInfo] arguments]</span> <span class="comment">// for i in (0..[args count])</span> <span class="comment">// res.push([args objectAtIndex:i])</span> <span class="comment">// res</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_os</span> <span class="op">=</span> <span class="string">"ios"</span>)]</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">args</span>() <span class="op">-></span> <span class="ident">Args</span> { <span class="kw">use</span> <span class="ident">ffi</span>::<span class="ident">OsString</span>; <span class="kw">use</span> <span class="ident">mem</span>; <span class="kw">use</span> <span class="ident">str</span>; <span class="kw">extern</span> { <span class="kw">fn</span> <span class="ident">sel_registerName</span>(<span class="ident">name</span>: <span class="kw-2">*</span><span class="kw">const</span> <span class="ident">libc</span>::<span class="ident">c_uchar</span>) <span class="op">-></span> <span class="ident">Sel</span>; <span class="kw">fn</span> <span class="ident">objc_getClass</span>(<span class="ident">class_name</span>: <span class="kw-2">*</span><span class="kw">const</span> <span class="ident">libc</span>::<span class="ident">c_uchar</span>) <span class="op">-></span> <span class="ident">NsId</span>; } <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span><span class="op">=</span><span class="string">"aarch64"</span>)]</span> <span class="kw">extern</span> { <span class="kw">fn</span> <span class="ident">objc_msgSend</span>(<span class="ident">obj</span>: <span class="ident">NsId</span>, <span class="ident">sel</span>: <span class="ident">Sel</span>) <span class="op">-></span> <span class="ident">NsId</span>; <span class="attribute">#[<span class="ident">link_name</span><span class="op">=</span><span class="string">"objc_msgSend"</span>]</span> <span class="kw">fn</span> <span class="ident">objc_msgSend_ul</span>(<span class="ident">obj</span>: <span class="ident">NsId</span>, <span class="ident">sel</span>: <span class="ident">Sel</span>, <span class="ident">i</span>: <span class="ident">libc</span>::<span class="ident">c_ulong</span>) <span class="op">-></span> <span class="ident">NsId</span>; } <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">not</span>(<span class="ident">target_arch</span><span class="op">=</span><span class="string">"aarch64"</span>))]</span> <span class="kw">extern</span> { <span class="kw">fn</span> <span class="ident">objc_msgSend</span>(<span class="ident">obj</span>: <span class="ident">NsId</span>, <span class="ident">sel</span>: <span class="ident">Sel</span>, ...) <span class="op">-></span> <span class="ident">NsId</span>; <span class="attribute">#[<span class="ident">link_name</span><span class="op">=</span><span class="string">"objc_msgSend"</span>]</span> <span class="kw">fn</span> <span class="ident">objc_msgSend_ul</span>(<span class="ident">obj</span>: <span class="ident">NsId</span>, <span class="ident">sel</span>: <span class="ident">Sel</span>, ...) <span class="op">-></span> <span class="ident">NsId</span>; } <span class="kw">type</span> <span class="ident">Sel</span> <span class="op">=</span> <span class="kw-2">*</span><span class="kw">const</span> <span class="ident">libc</span>::<span class="ident">c_void</span>; <span class="kw">type</span> <span class="ident">NsId</span> <span class="op">=</span> <span class="kw-2">*</span><span class="kw">const</span> <span class="ident">libc</span>::<span class="ident">c_void</span>; <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">res</span> <span class="op">=</span> <span class="ident">Vec</span>::<span class="ident">new</span>(); <span class="kw">unsafe</span> { <span class="kw">let</span> <span class="ident">process_info_sel</span> <span class="op">=</span> <span class="ident">sel_registerName</span>(<span class="string">"processInfo\0"</span>.<span class="ident">as_ptr</span>()); <span class="kw">let</span> <span class="ident">arguments_sel</span> <span class="op">=</span> <span class="ident">sel_registerName</span>(<span class="string">"arguments\0"</span>.<span class="ident">as_ptr</span>()); <span class="kw">let</span> <span class="ident">utf8_sel</span> <span class="op">=</span> <span class="ident">sel_registerName</span>(<span class="string">"UTF8String\0"</span>.<span class="ident">as_ptr</span>()); <span class="kw">let</span> <span class="ident">count_sel</span> <span class="op">=</span> <span class="ident">sel_registerName</span>(<span class="string">"count\0"</span>.<span class="ident">as_ptr</span>()); <span class="kw">let</span> <span class="ident">object_at_sel</span> <span class="op">=</span> <span class="ident">sel_registerName</span>(<span class="string">"objectAtIndex:\0"</span>.<span class="ident">as_ptr</span>()); <span class="kw">let</span> <span class="ident">klass</span> <span class="op">=</span> <span class="ident">objc_getClass</span>(<span class="string">"NSProcessInfo\0"</span>.<span class="ident">as_ptr</span>()); <span class="kw">let</span> <span class="ident">info</span> <span class="op">=</span> <span class="ident">objc_msgSend</span>(<span class="ident">klass</span>, <span class="ident">process_info_sel</span>); <span class="kw">let</span> <span class="ident">args</span> <span class="op">=</span> <span class="ident">objc_msgSend</span>(<span class="ident">info</span>, <span class="ident">arguments_sel</span>); <span class="kw">let</span> <span class="ident">cnt</span>: <span class="ident">usize</span> <span class="op">=</span> <span class="ident">mem</span>::<span class="ident">transmute</span>(<span class="ident">objc_msgSend</span>(<span class="ident">args</span>, <span class="ident">count_sel</span>)); <span class="kw">for</span> <span class="ident">i</span> <span class="kw">in</span> <span class="number">0</span>..<span class="ident">cnt</span> { <span class="kw">let</span> <span class="ident">tmp</span> <span class="op">=</span> <span class="ident">objc_msgSend_ul</span>(<span class="ident">args</span>, <span class="ident">object_at_sel</span>, <span class="ident">i</span> <span class="kw">as</span> <span class="ident">libc</span>::<span class="ident">c_ulong</span>); <span class="kw">let</span> <span class="ident">utf_c_str</span>: <span class="kw-2">*</span><span class="kw">const</span> <span class="ident">libc</span>::<span class="ident">c_char</span> <span class="op">=</span> <span class="ident">mem</span>::<span class="ident">transmute</span>(<span class="ident">objc_msgSend</span>(<span class="ident">tmp</span>, <span class="ident">utf8_sel</span>)); <span class="kw">let</span> <span class="ident">bytes</span> <span class="op">=</span> <span class="ident">CStr</span>::<span class="ident">from_ptr</span>(<span class="ident">utf_c_str</span>).<span class="ident">to_bytes</span>(); <span class="ident">res</span>.<span class="ident">push</span>(<span class="ident">OsString</span>::<span class="ident">from</span>(<span class="ident">str</span>::<span class="ident">from_utf8</span>(<span class="ident">bytes</span>).<span class="ident">unwrap</span>())) } } <span class="ident">Args</span> { <span class="ident">iter</span>: <span class="ident">res</span>.<span class="ident">into_iter</span>(), <span class="ident">_dont_send_or_sync_me</span>: <span class="ident">PhantomData</span> } } } </pre> </section><section id="search" class="content hidden"></section><section class="footer"></section><aside id="help" class="hidden"><div><h1 class="hidden">Help</h1><div class="shortcuts"><h2>Keyboard Shortcuts</h2><dl><dt><kbd>?</kbd></dt><dd>Show this help dialog</dd><dt><kbd>S</kbd></dt><dd>Focus the search field</dd><dt><kbd>↑</kbd></dt><dd>Move up in search results</dd><dt><kbd>↓</kbd></dt><dd>Move down in search results</dd><dt><kbd>↹</kbd></dt><dd>Switch tab</dd><dt><kbd>⏎</kbd></dt><dd>Go to active search result</dd><dt><kbd>+</kbd></dt><dd>Expand all sections</dd><dt><kbd>-</kbd></dt><dd>Collapse all sections</dd></dl></div><div class="infos"><h2>Search Tricks</h2><p>Prefix searches with a type followed by a colon (e.g. <code>fn:</code>) to restrict the search to a given type.</p><p>Accepted types are: <code>fn</code>, <code>mod</code>, <code>struct</code>, <code>enum</code>, <code>trait</code>, <code>type</code>, <code>macro</code>, and <code>const</code>.</p><p>Search functions by type signature (e.g. <code>vec -> usize</code> or <code>* -> vec</code>)</p><p>Search multiple things at once by splitting your query with comma (e.g. <code>str,u8</code> or <code>String,struct:Vec,test</code>)</p></div></div></aside><script>window.rootPath = "../../../../";window.currentCrate = "std";</script><script src="../../../../aliases.js"></script><script src="../../../../main.js"></script><script defer src="../../../../search-index.js"></script></body></html>