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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="A directory in the filesystem that is automatically deleted when it goes out of scope."><title>TempDir in tempfile - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../static.files/rustdoc-42caa33d.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="tempfile" 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href="../tempfile/index.html"><img src="https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png" alt="logo"></a><h2><a href="../tempfile/index.html">tempfile</a><span class="version">3.14.0</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">TempDir</a></h2><h3><a href="#">Sections</a></h3><ul class="block top-toc"><li><a href="#resource-leaking" title="Resource Leaking">Resource Leaking</a></li><li><a href="#examples" title="Examples">Examples</a></li></ul><h3><a href="#implementations">Methods</a></h3><ul class="block method"><li><a href="#method.close" title="close">close</a></li><li><a href="#method.into_path" title="into_path">into_path</a></li><li><a href="#method.new" title="new">new</a></li><li><a href="#method.new_in" title="new_in">new_in</a></li><li><a href="#method.path" title="path">path</a></li><li><a href="#method.with_prefix" title="with_prefix">with_prefix</a></li><li><a href="#method.with_prefix_in" title="with_prefix_in">with_prefix_in</a></li><li><a href="#method.with_suffix" title="with_suffix">with_suffix</a></li><li><a href="#method.with_suffix_in" title="with_suffix_in">with_suffix_in</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block trait-implementation"><li><a href="#impl-AsRef%3CPath%3E-for-TempDir" title="AsRef<Path>">AsRef<Path></a></li><li><a href="#impl-Debug-for-TempDir" title="Debug">Debug</a></li><li><a href="#impl-Drop-for-TempDir" title="Drop">Drop</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block synthetic-implementation"><li><a href="#impl-Freeze-for-TempDir" title="Freeze">Freeze</a></li><li><a href="#impl-RefUnwindSafe-for-TempDir" title="RefUnwindSafe">RefUnwindSafe</a></li><li><a href="#impl-Send-for-TempDir" title="Send">Send</a></li><li><a href="#impl-Sync-for-TempDir" title="Sync">Sync</a></li><li><a href="#impl-Unpin-for-TempDir" title="Unpin">Unpin</a></li><li><a href="#impl-UnwindSafe-for-TempDir" title="UnwindSafe">UnwindSafe</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block blanket-implementation"><li><a href="#impl-Any-for-T" title="Any">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-T" title="Borrow<T>">Borrow<T></a></li><li><a href="#impl-BorrowMut%3CT%3E-for-T" title="BorrowMut<T>">BorrowMut<T></a></li><li><a href="#impl-From%3CT%3E-for-T" title="From<T>">From<T></a></li><li><a href="#impl-Into%3CU%3E-for-T" title="Into<U>">Into<U></a></li><li><a href="#impl-TryFrom%3CU%3E-for-T" title="TryFrom<U>">TryFrom<U></a></li><li><a href="#impl-TryInto%3CU%3E-for-T" title="TryInto<U>">TryInto<U></a></li></ul></section><div id="rustdoc-modnav"><h2 class="in-crate"><a href="index.html">In crate tempfile</a></h2></div></div></nav><div class="sidebar-resizer"></div><main><div class="width-limiter"><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><span class="rustdoc-breadcrumbs"><a href="index.html">tempfile</a></span><h1>Struct <span class="struct">TempDir</span><button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../src/tempfile/dir/mod.rs.html#178-181">Source</a> </span></div><pre class="rust item-decl"><code>pub struct TempDir { <span class="comment">/* private fields */</span> }</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>A directory in the filesystem that is automatically deleted when
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it goes out of scope.</p>
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<p>The <a href="struct.TempDir.html"><code>TempDir</code></a> type creates a directory on the file system that
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is deleted once it goes out of scope. At construction, the
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<code>TempDir</code> creates a new directory with a randomly generated name.</p>
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<p>The default constructor, <a href="struct.TempDir.html#method.new"><code>TempDir::new()</code></a>, creates directories in
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the location returned by <a href="env/fn.temp_dir.html" title="fn tempfile::env::temp_dir"><code>env::temp_dir()</code></a>, but <code>TempDir</code>
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can be configured to manage a temporary directory in any location
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by constructing with a <a href="struct.Builder.html"><code>Builder</code></a>.</p>
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<p>After creating a <code>TempDir</code>, work with the file system by doing
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standard <a href="http://doc.rust-lang.org/std/fs/index.html"><code>std::fs</code></a> file system operations on its <a href="http://doc.rust-lang.org/std/path/struct.Path.html"><code>Path</code></a>,
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which can be retrieved with <a href="struct.TempDir.html#method.path"><code>TempDir::path()</code></a>. Once the <code>TempDir</code>
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value is dropped, the directory at the path will be deleted, along
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with any files and directories it contains. It is your responsibility
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to ensure that no further file system operations are attempted
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inside the temporary directory once it has been deleted.</p>
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<h2 id="resource-leaking"><a class="doc-anchor" href="#resource-leaking">§</a>Resource Leaking</h2>
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<p>Various platform-specific conditions may cause <code>TempDir</code> to fail
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to delete the underlying directory. It’s important to ensure that
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handles (like <a href="http://doc.rust-lang.org/std/fs/struct.File.html"><code>File</code></a> and <a href="http://doc.rust-lang.org/std/fs/struct.ReadDir.html"><code>ReadDir</code></a>) to files inside the
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directory are dropped before the <code>TempDir</code> goes out of scope. The
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<code>TempDir</code> destructor will silently ignore any errors in deleting
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the directory; to instead handle errors call <a href="struct.TempDir.html#method.close"><code>TempDir::close()</code></a>.</p>
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<p>Note that if the program exits before the <code>TempDir</code> destructor is
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run, such as via <a href="http://doc.rust-lang.org/std/process/fn.exit.html"><code>std::process::exit()</code></a>, by segfaulting, or by
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receiving a signal like <code>SIGINT</code>, then the temporary directory
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will not be deleted.</p>
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<h2 id="examples"><a class="doc-anchor" href="#examples">§</a>Examples</h2>
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<p>Create a temporary directory with a generated name:</p>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::fs::File;
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<span class="kw">use </span>std::io::Write;
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<span class="kw">use </span>tempfile::TempDir;
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<span class="comment">// Create a directory inside of `env::temp_dir()`
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</span><span class="kw">let </span>tmp_dir = TempDir::new()<span class="question-mark">?</span>;</code></pre></div>
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<p>Create a temporary directory with a prefix in its name:</p>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::fs::File;
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<span class="kw">use </span>std::io::Write;
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<span class="kw">use </span>tempfile::Builder;
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<span class="comment">// Create a directory inside of `env::temp_dir()`,
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// whose name will begin with 'example'.
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</span><span class="kw">let </span>tmp_dir = Builder::new().prefix(<span class="string">"example"</span>).tempdir()<span class="question-mark">?</span>;</code></pre></div>
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</div></details><h2 id="implementations" class="section-header">Implementations<a href="#implementations" class="anchor">§</a></h2><div id="implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-TempDir" class="impl"><a class="src rightside" href="../src/tempfile/dir/mod.rs.html#183-463">Source</a><a href="#impl-TempDir" class="anchor">§</a><h3 class="code-header">impl <a class="struct" href="struct.TempDir.html" title="struct tempfile::TempDir">TempDir</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.new" class="method"><a class="src rightside" href="../src/tempfile/dir/mod.rs.html#215-217">Source</a><h4 class="code-header">pub fn <a href="#method.new" class="fn">new</a>() -> <a class="type" href="https://doc.rust-lang.org/1.84.1/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="struct" href="struct.TempDir.html" title="struct tempfile::TempDir">TempDir</a>></h4></section></summary><div class="docblock"><p>Attempts to make a temporary directory inside of <code>env::temp_dir()</code>.</p>
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<p>See <a href="struct.Builder.html"><code>Builder</code></a> for more configuration.</p>
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<p>The directory and everything inside it will be automatically deleted
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once the returned <code>TempDir</code> is destroyed.</p>
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<h5 id="errors"><a class="doc-anchor" href="#errors">§</a>Errors</h5>
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<p>If the directory can not be created, <code>Err</code> is returned.</p>
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<h5 id="examples-1"><a class="doc-anchor" href="#examples-1">§</a>Examples</h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::fs::File;
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<span class="kw">use </span>std::io::Write;
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<span class="kw">use </span>tempfile::TempDir;
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<span class="comment">// Create a directory inside of `env::temp_dir()`
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</span><span class="kw">let </span>tmp_dir = TempDir::new()<span class="question-mark">?</span>;
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<span class="kw">let </span>file_path = tmp_dir.path().join(<span class="string">"my-temporary-note.txt"</span>);
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<span class="kw">let </span><span class="kw-2">mut </span>tmp_file = File::create(file_path)<span class="question-mark">?</span>;
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<span class="macro">writeln!</span>(tmp_file, <span class="string">"Brian was here. Briefly."</span>)<span class="question-mark">?</span>;
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<span class="comment">// `tmp_dir` goes out of scope, the directory as well as
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// `tmp_file` will be deleted here.</span></code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.new_in" class="method"><a class="src rightside" href="../src/tempfile/dir/mod.rs.html#241-243">Source</a><h4 class="code-header">pub fn <a href="#method.new_in" class="fn">new_in</a><P: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a><<a class="struct" href="https://doc.rust-lang.org/1.84.1/std/path/struct.Path.html" title="struct std::path::Path">Path</a>>>(dir: P) -> <a class="type" href="https://doc.rust-lang.org/1.84.1/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="struct" href="struct.TempDir.html" title="struct tempfile::TempDir">TempDir</a>></h4></section></summary><div class="docblock"><p>Attempts to make a temporary directory inside of <code>dir</code>.
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The directory and everything inside it will be automatically
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deleted once the returned <code>TempDir</code> is destroyed.</p>
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<h5 id="errors-1"><a class="doc-anchor" href="#errors-1">§</a>Errors</h5>
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<p>If the directory can not be created, <code>Err</code> is returned.</p>
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<h5 id="examples-2"><a class="doc-anchor" href="#examples-2">§</a>Examples</h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::fs::{<span class="self">self</span>, File};
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<span class="kw">use </span>std::io::Write;
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<span class="kw">use </span>tempfile::TempDir;
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<span class="comment">// Create a directory inside of the current directory
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</span><span class="kw">let </span>tmp_dir = TempDir::new_in(<span class="string">"."</span>)<span class="question-mark">?</span>;
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<span class="kw">let </span>file_path = tmp_dir.path().join(<span class="string">"my-temporary-note.txt"</span>);
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<span class="kw">let </span><span class="kw-2">mut </span>tmp_file = File::create(file_path)<span class="question-mark">?</span>;
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<span class="macro">writeln!</span>(tmp_file, <span class="string">"Brian was here. Briefly."</span>)<span class="question-mark">?</span>;</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.with_prefix" class="method"><a class="src rightside" href="../src/tempfile/dir/mod.rs.html#266-268">Source</a><h4 class="code-header">pub fn <a href="#method.with_prefix" class="fn">with_prefix</a><S: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a><<a class="struct" href="https://doc.rust-lang.org/1.84.1/std/ffi/os_str/struct.OsStr.html" title="struct std::ffi::os_str::OsStr">OsStr</a>>>(prefix: S) -> <a class="type" href="https://doc.rust-lang.org/1.84.1/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="struct" href="struct.TempDir.html" title="struct tempfile::TempDir">TempDir</a>></h4></section></summary><div class="docblock"><p>Attempts to make a temporary directory with the specified prefix inside of
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<code>env::temp_dir()</code>. The directory and everything inside it will be automatically
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deleted once the returned <code>TempDir</code> is destroyed.</p>
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<h5 id="errors-2"><a class="doc-anchor" href="#errors-2">§</a>Errors</h5>
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<p>If the directory can not be created, <code>Err</code> is returned.</p>
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<h5 id="examples-3"><a class="doc-anchor" href="#examples-3">§</a>Examples</h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::fs::{<span class="self">self</span>, File};
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<span class="kw">use </span>std::io::Write;
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<span class="kw">use </span>tempfile::TempDir;
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<span class="comment">// Create a directory inside of the current directory
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</span><span class="kw">let </span>tmp_dir = TempDir::with_prefix(<span class="string">"foo-"</span>)<span class="question-mark">?</span>;
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<span class="kw">let </span>tmp_name = tmp_dir.path().file_name().unwrap().to_str().unwrap();
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<span class="macro">assert!</span>(tmp_name.starts_with(<span class="string">"foo-"</span>));</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.with_suffix" class="method"><a class="src rightside" href="../src/tempfile/dir/mod.rs.html#291-293">Source</a><h4 class="code-header">pub fn <a href="#method.with_suffix" class="fn">with_suffix</a><S: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a><<a class="struct" href="https://doc.rust-lang.org/1.84.1/std/ffi/os_str/struct.OsStr.html" title="struct std::ffi::os_str::OsStr">OsStr</a>>>(suffix: S) -> <a class="type" href="https://doc.rust-lang.org/1.84.1/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="struct" href="struct.TempDir.html" title="struct tempfile::TempDir">TempDir</a>></h4></section></summary><div class="docblock"><p>Attempts to make a temporary directory with the specified suffix inside of
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<code>env::temp_dir()</code>. The directory and everything inside it will be automatically
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deleted once the returned <code>TempDir</code> is destroyed.</p>
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<h5 id="errors-3"><a class="doc-anchor" href="#errors-3">§</a>Errors</h5>
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<p>If the directory can not be created, <code>Err</code> is returned.</p>
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<h5 id="examples-4"><a class="doc-anchor" href="#examples-4">§</a>Examples</h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::fs::{<span class="self">self</span>, File};
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<span class="kw">use </span>std::io::Write;
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<span class="kw">use </span>tempfile::TempDir;
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<span class="comment">// Create a directory inside of the current directory
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</span><span class="kw">let </span>tmp_dir = TempDir::with_suffix(<span class="string">"-foo"</span>)<span class="question-mark">?</span>;
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<span class="kw">let </span>tmp_name = tmp_dir.path().file_name().unwrap().to_str().unwrap();
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<span class="macro">assert!</span>(tmp_name.ends_with(<span class="string">"-foo"</span>));</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.with_suffix_in" class="method"><a class="src rightside" href="../src/tempfile/dir/mod.rs.html#315-320">Source</a><h4 class="code-header">pub fn <a href="#method.with_suffix_in" class="fn">with_suffix_in</a><S: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a><<a class="struct" href="https://doc.rust-lang.org/1.84.1/std/ffi/os_str/struct.OsStr.html" title="struct std::ffi::os_str::OsStr">OsStr</a>>, P: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a><<a class="struct" href="https://doc.rust-lang.org/1.84.1/std/path/struct.Path.html" title="struct std::path::Path">Path</a>>>(
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suffix: S,
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dir: P,
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) -> <a class="type" href="https://doc.rust-lang.org/1.84.1/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="struct" href="struct.TempDir.html" title="struct tempfile::TempDir">TempDir</a>></h4></section></summary><div class="docblock"><p>Attempts to make a temporary directory with the specified prefix inside
|
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the specified directory. The directory and everything inside it will be
|
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automatically deleted once the returned <code>TempDir</code> is destroyed.</p>
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<h5 id="errors-4"><a class="doc-anchor" href="#errors-4">§</a>Errors</h5>
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<p>If the directory can not be created, <code>Err</code> is returned.</p>
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<h5 id="examples-5"><a class="doc-anchor" href="#examples-5">§</a>Examples</h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::fs::{<span class="self">self</span>, File};
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<span class="kw">use </span>std::io::Write;
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<span class="kw">use </span>tempfile::TempDir;
|
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<span class="comment">// Create a directory inside of the current directory
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</span><span class="kw">let </span>tmp_dir = TempDir::with_suffix_in(<span class="string">"-foo"</span>, <span class="string">"."</span>)<span class="question-mark">?</span>;
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<span class="kw">let </span>tmp_name = tmp_dir.path().file_name().unwrap().to_str().unwrap();
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<span class="macro">assert!</span>(tmp_name.ends_with(<span class="string">"-foo"</span>));</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.with_prefix_in" class="method"><a class="src rightside" href="../src/tempfile/dir/mod.rs.html#343-348">Source</a><h4 class="code-header">pub fn <a href="#method.with_prefix_in" class="fn">with_prefix_in</a><S: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a><<a class="struct" href="https://doc.rust-lang.org/1.84.1/std/ffi/os_str/struct.OsStr.html" title="struct std::ffi::os_str::OsStr">OsStr</a>>, P: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a><<a class="struct" href="https://doc.rust-lang.org/1.84.1/std/path/struct.Path.html" title="struct std::path::Path">Path</a>>>(
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prefix: S,
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dir: P,
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) -> <a class="type" href="https://doc.rust-lang.org/1.84.1/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="struct" href="struct.TempDir.html" title="struct tempfile::TempDir">TempDir</a>></h4></section></summary><div class="docblock"><p>Attempts to make a temporary directory with the specified prefix inside
|
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the specified directory. The directory and everything inside it will be
|
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automatically deleted once the returned <code>TempDir</code> is destroyed.</p>
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<h5 id="errors-5"><a class="doc-anchor" href="#errors-5">§</a>Errors</h5>
|
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<p>If the directory can not be created, <code>Err</code> is returned.</p>
|
||
<h5 id="examples-6"><a class="doc-anchor" href="#examples-6">§</a>Examples</h5>
|
||
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::fs::{<span class="self">self</span>, File};
|
||
<span class="kw">use </span>std::io::Write;
|
||
<span class="kw">use </span>tempfile::TempDir;
|
||
|
||
<span class="comment">// Create a directory inside of the current directory
|
||
</span><span class="kw">let </span>tmp_dir = TempDir::with_prefix_in(<span class="string">"foo-"</span>, <span class="string">"."</span>)<span class="question-mark">?</span>;
|
||
<span class="kw">let </span>tmp_name = tmp_dir.path().file_name().unwrap().to_str().unwrap();
|
||
<span class="macro">assert!</span>(tmp_name.starts_with(<span class="string">"foo-"</span>));</code></pre></div>
|
||
</div></details><details class="toggle method-toggle" open><summary><section id="method.path" class="method"><a class="src rightside" href="../src/tempfile/dir/mod.rs.html#376-378">Source</a><h4 class="code-header">pub fn <a href="#method.path" class="fn">path</a>(&self) -> &<a class="struct" href="https://doc.rust-lang.org/1.84.1/std/path/struct.Path.html" title="struct std::path::Path">Path</a></h4></section></summary><div class="docblock"><p>Accesses the <a href="http://doc.rust-lang.org/std/path/struct.Path.html"><code>Path</code></a> to the temporary directory.</p>
|
||
<h5 id="examples-7"><a class="doc-anchor" href="#examples-7">§</a>Examples</h5>
|
||
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>tempfile::TempDir;
|
||
|
||
<span class="kw">let </span>tmp_path;
|
||
|
||
{
|
||
<span class="kw">let </span>tmp_dir = TempDir::new()<span class="question-mark">?</span>;
|
||
tmp_path = tmp_dir.path().to_owned();
|
||
|
||
<span class="comment">// Check that the temp directory actually exists.
|
||
</span><span class="macro">assert!</span>(tmp_path.exists());
|
||
|
||
<span class="comment">// End of `tmp_dir` scope, directory will be deleted
|
||
</span>}
|
||
|
||
<span class="comment">// Temp directory should be deleted by now
|
||
</span><span class="macro">assert_eq!</span>(tmp_path.exists(), <span class="bool-val">false</span>);</code></pre></div>
|
||
</div></details><details class="toggle method-toggle" open><summary><section id="method.into_path" class="method"><a class="src rightside" href="../src/tempfile/dir/mod.rs.html#405-412">Source</a><h4 class="code-header">pub fn <a href="#method.into_path" class="fn">into_path</a>(self) -> <a class="struct" href="https://doc.rust-lang.org/1.84.1/std/path/struct.PathBuf.html" title="struct std::path::PathBuf">PathBuf</a></h4></section></summary><div class="docblock"><p>Persist the temporary directory to disk, returning the <a href="http://doc.rust-lang.org/std/path/struct.PathBuf.html"><code>PathBuf</code></a> where it is located.</p>
|
||
<p>This consumes the <a href="struct.TempDir.html"><code>TempDir</code></a> without deleting directory on the filesystem, meaning that
|
||
the directory will no longer be automatically deleted.</p>
|
||
<h5 id="examples-8"><a class="doc-anchor" href="#examples-8">§</a>Examples</h5>
|
||
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::fs;
|
||
<span class="kw">use </span>tempfile::TempDir;
|
||
|
||
<span class="kw">let </span>tmp_dir = TempDir::new()<span class="question-mark">?</span>;
|
||
|
||
<span class="comment">// Persist the temporary directory to disk,
|
||
// getting the path where it is.
|
||
</span><span class="kw">let </span>tmp_path = tmp_dir.into_path();
|
||
|
||
<span class="comment">// Delete the temporary directory ourselves.
|
||
</span>fs::remove_dir_all(tmp_path)<span class="question-mark">?</span>;</code></pre></div>
|
||
</div></details><details class="toggle method-toggle" open><summary><section id="method.close" class="method"><a class="src rightside" href="../src/tempfile/dir/mod.rs.html#451-462">Source</a><h4 class="code-header">pub fn <a href="#method.close" class="fn">close</a>(self) -> <a class="type" href="https://doc.rust-lang.org/1.84.1/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.unit.html">()</a>></h4></section></summary><div class="docblock"><p>Closes and removes the temporary directory, returning a <code>Result</code>.</p>
|
||
<p>Although <code>TempDir</code> removes the directory on drop, in the destructor
|
||
any errors are ignored. To detect errors cleaning up the temporary
|
||
directory, call <code>close</code> instead.</p>
|
||
<h5 id="errors-6"><a class="doc-anchor" href="#errors-6">§</a>Errors</h5>
|
||
<p>This function may return a variety of <a href="http://doc.rust-lang.org/std/io/struct.Error.html"><code>std::io::Error</code></a>s that result from deleting
|
||
the files and directories contained with the temporary directory,
|
||
as well as from deleting the temporary directory itself. These errors
|
||
may be platform specific.</p>
|
||
<h5 id="examples-9"><a class="doc-anchor" href="#examples-9">§</a>Examples</h5>
|
||
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::fs::File;
|
||
<span class="kw">use </span>std::io::Write;
|
||
<span class="kw">use </span>tempfile::TempDir;
|
||
|
||
<span class="comment">// Create a directory inside of `env::temp_dir()`.
|
||
</span><span class="kw">let </span>tmp_dir = TempDir::new()<span class="question-mark">?</span>;
|
||
<span class="kw">let </span>file_path = tmp_dir.path().join(<span class="string">"my-temporary-note.txt"</span>);
|
||
<span class="kw">let </span><span class="kw-2">mut </span>tmp_file = File::create(file_path)<span class="question-mark">?</span>;
|
||
<span class="macro">writeln!</span>(tmp_file, <span class="string">"Brian was here. Briefly."</span>)<span class="question-mark">?</span>;
|
||
|
||
<span class="comment">// By closing the `TempDir` explicitly we can check that it has
|
||
// been deleted successfully. If we don't close it explicitly,
|
||
// the directory will still be deleted when `tmp_dir` goes out
|
||
// of scope, but we won't know whether deleting the directory
|
||
// succeeded.
|
||
</span>drop(tmp_file);
|
||
tmp_dir.close()<span class="question-mark">?</span>;</code></pre></div>
|
||
</div></details></div></details></div><h2 id="trait-implementations" class="section-header">Trait Implementations<a href="#trait-implementations" class="anchor">§</a></h2><div id="trait-implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-AsRef%3CPath%3E-for-TempDir" class="impl"><a class="src rightside" href="../src/tempfile/dir/mod.rs.html#465-469">Source</a><a href="#impl-AsRef%3CPath%3E-for-TempDir" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a><<a class="struct" href="https://doc.rust-lang.org/1.84.1/std/path/struct.Path.html" title="struct std::path::Path">Path</a>> for <a class="struct" href="struct.TempDir.html" title="struct tempfile::TempDir">TempDir</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.as_ref" class="method trait-impl"><a class="src rightside" href="../src/tempfile/dir/mod.rs.html#466-468">Source</a><a href="#method.as_ref" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/core/convert/trait.AsRef.html#tymethod.as_ref" class="fn">as_ref</a>(&self) -> &<a class="struct" href="https://doc.rust-lang.org/1.84.1/std/path/struct.Path.html" title="struct std::path::Path">Path</a></h4></section></summary><div class='docblock'>Converts this type into a shared reference of the (usually inferred) input type.</div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Debug-for-TempDir" class="impl"><a class="src rightside" href="../src/tempfile/dir/mod.rs.html#471-477">Source</a><a href="#impl-Debug-for-TempDir" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="struct.TempDir.html" title="struct tempfile::TempDir">TempDir</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl"><a class="src rightside" href="../src/tempfile/dir/mod.rs.html#472-476">Source</a><a href="#method.fmt" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/core/fmt/trait.Debug.html#tymethod.fmt" class="fn">fmt</a>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/1.84.1/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a><'_>) -> <a class="type" href="https://doc.rust-lang.org/1.84.1/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/1.84.1/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Drop-for-TempDir" class="impl"><a class="src rightside" href="../src/tempfile/dir/mod.rs.html#479-485">Source</a><a href="#impl-Drop-for-TempDir" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/ops/drop/trait.Drop.html" title="trait core::ops::drop::Drop">Drop</a> for <a class="struct" href="struct.TempDir.html" title="struct tempfile::TempDir">TempDir</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.drop" class="method trait-impl"><a class="src rightside" href="../src/tempfile/dir/mod.rs.html#480-484">Source</a><a href="#method.drop" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/core/ops/drop/trait.Drop.html#tymethod.drop" class="fn">drop</a>(&mut self)</h4></section></summary><div class='docblock'>Executes the destructor for this type. <a href="https://doc.rust-lang.org/1.84.1/core/ops/drop/trait.Drop.html#tymethod.drop">Read more</a></div></details></div></details></div><h2 id="synthetic-implementations" class="section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor">§</a></h2><div id="synthetic-implementations-list"><section id="impl-Freeze-for-TempDir" class="impl"><a href="#impl-Freeze-for-TempDir" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Freeze.html" title="trait core::marker::Freeze">Freeze</a> for <a class="struct" href="struct.TempDir.html" title="struct tempfile::TempDir">TempDir</a></h3></section><section id="impl-RefUnwindSafe-for-TempDir" class="impl"><a href="#impl-RefUnwindSafe-for-TempDir" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.TempDir.html" title="struct tempfile::TempDir">TempDir</a></h3></section><section id="impl-Send-for-TempDir" class="impl"><a href="#impl-Send-for-TempDir" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.TempDir.html" title="struct tempfile::TempDir">TempDir</a></h3></section><section id="impl-Sync-for-TempDir" class="impl"><a href="#impl-Sync-for-TempDir" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.TempDir.html" title="struct tempfile::TempDir">TempDir</a></h3></section><section id="impl-Unpin-for-TempDir" class="impl"><a href="#impl-Unpin-for-TempDir" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.TempDir.html" title="struct tempfile::TempDir">TempDir</a></h3></section><section id="impl-UnwindSafe-for-TempDir" class="impl"><a href="#impl-UnwindSafe-for-TempDir" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.TempDir.html" title="struct tempfile::TempDir">TempDir</a></h3></section></div><h2 id="blanket-implementations" class="section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor">§</a></h2><div id="blanket-implementations-list"><details class="toggle implementors-toggle"><summary><section id="impl-Any-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/any.rs.html#138">Source</a><a href="#impl-Any-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T<div class="where">where
|
||
T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/any.rs.html#139">Source</a><a href="#method.type_id" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/core/any/trait.Any.html#tymethod.type_id" class="fn">type_id</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/1.84.1/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></section></summary><div class='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/1.84.1/core/any/trait.Any.html#tymethod.type_id">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/borrow.rs.html#209">Source</a><a href="#impl-Borrow%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><T> for T<div class="where">where
|
||
T: ?<a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/borrow.rs.html#211">Source</a><a href="#method.borrow" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/core/borrow/trait.Borrow.html#tymethod.borrow" class="fn">borrow</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.reference.html">&T</a></h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.84.1/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/borrow.rs.html#217">Source</a><a href="#impl-BorrowMut%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T<div class="where">where
|
||
T: ?<a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/borrow.rs.html#218">Source</a><a href="#method.borrow_mut" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fn">borrow_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.reference.html">&mut T</a></h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.84.1/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/convert/mod.rs.html#765">Source</a><a href="#impl-From%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for T</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/convert/mod.rs.html#768">Source</a><a href="#method.from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(t: T) -> T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p>
|
||
</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/convert/mod.rs.html#748-750">Source</a><a href="#impl-Into%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><U> for T<div class="where">where
|
||
U: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.From.html" title="trait core::convert::From">From</a><T>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/convert/mod.rs.html#758">Source</a><a href="#method.into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/core/convert/trait.Into.html#tymethod.into" class="fn">into</a>(self) -> U</h4></section></summary><div class="docblock"><p>Calls <code>U::from(self)</code>.</p>
|
||
<p>That is, this conversion is whatever the implementation of
|
||
<code><a href="https://doc.rust-lang.org/1.84.1/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for U</code> chooses to do.</p>
|
||
</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/convert/mod.rs.html#805-807">Source</a><a href="#impl-TryFrom%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U> for T<div class="where">where
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U: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><T>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/convert/mod.rs.html#809">Source</a><a href="#associatedtype.Error-1" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.84.1/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/1.84.1/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/convert/mod.rs.html#812">Source</a><a href="#method.try_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/core/convert/trait.TryFrom.html#tymethod.try_from" class="fn">try_from</a>(value: U) -> <a class="enum" href="https://doc.rust-lang.org/1.84.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/convert/mod.rs.html#790-792">Source</a><a href="#impl-TryInto%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a><U> for T<div class="where">where
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U: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/convert/mod.rs.html#794">Source</a><a href="#associatedtype.Error" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.84.1/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = <U as <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/convert/mod.rs.html#797">Source</a><a href="#method.try_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/core/convert/trait.TryInto.html#tymethod.try_into" class="fn">try_into</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/1.84.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.84.1/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main></body></html> |