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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 `create_dir` fn in crate `tokio`."><meta name="keywords" content="rust, rustlang, rust-lang, create_dir"><title>tokio::fs::create_dir - 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 fn"><!--[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='../../tokio/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../index.html">tokio</a>::<wbr><a href="index.html">fs</a></p><div id="sidebar-vars" data-name="create_dir" data-ty="fn" data-relpath=""></div><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="in-band">Function <a href="../index.html">tokio</a>::<wbr><a href="index.html">fs</a>::<wbr><a class="fn" href="">create_dir</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span><a class="srclink" href="../../src/tokio/fs/create_dir.rs.html#49-52" title="goto source code">[src]</a></span></h1><pre class="rust fn">pub async fn create_dir(path: impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a><<a class="struct" href="https://doc.rust-lang.org/nightly/std/path/struct.Path.html" title="struct std::path::Path">Path</a>>) -> <a class="type" href="https://doc.rust-lang.org/nightly/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>></pre><div class="docblock"><p>Creates a new, empty directory at the provided path</p>
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<p>This is an async version of <a href="https://doc.rust-lang.org/nightly/std/fs/fn.create_dir.html"><code>std::fs::create_dir</code></a></p>
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<h1 id="platform-specific-behavior" class="section-header"><a href="#platform-specific-behavior">Platform-specific behavior</a></h1>
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<p>This function currently corresponds to the <code>mkdir</code> function on Unix
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and the <code>CreateDirectory</code> function on Windows.
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Note that, this <a href="https://doc.rust-lang.org/std/io/index.html#platform-specific-behavior">may change in the future</a>.</p>
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<p><strong>NOTE</strong>: If a parent of the given path doesn't exist, this function will
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return an error. To create a directory and all its missing parents at the
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same time, use the <a href="../../tokio/fs/fn.create_dir_all.html"><code>create_dir_all</code></a> function.</p>
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<h1 id="errors" class="section-header"><a href="#errors">Errors</a></h1>
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<p>This function will return an error in the following situations, but is not
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limited to just these cases:</p>
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<ul>
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<li>User lacks permissions to create directory at <code>path</code>.</li>
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<li>A parent of the given path doesn't exist. (To create a directory and all
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its missing parents at the same time, use the <a href="../../tokio/fs/fn.create_dir_all.html"><code>create_dir_all</code></a>
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function.)</li>
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<li><code>path</code> already exists.</li>
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</ul>
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<h1 id="examples" class="section-header"><a href="#examples">Examples</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">tokio</span>::<span class="ident">fs</span>;
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<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>;
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<span class="attribute">#[<span class="ident">tokio</span>::<span class="ident">main</span>]</span>
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<span class="kw">async</span> <span class="kw">fn</span> <span class="ident">main</span>() <span class="op">-</span><span class="op">></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
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<span class="ident">fs</span>::<span class="ident">create_dir</span>(<span class="string">"/some/dir"</span>).<span class="kw">await</span><span class="question-mark">?</span>;
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<span class="prelude-val">Ok</span>(())
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}</pre></div>
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