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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="Create a new temporary file or directory with custom parameters."><title>Builder 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" data-themes="" data-resource-suffix="" data-rustdoc-version="1.84.1 (e71f9a9a9 2025-01-27)" data-channel="1.84.1" data-search-js="search-92e6798f.js" data-settings-js="settings-0f613d39.js" ><script src="../static.files/storage-59e33391.js"></script><script defer src="sidebar-items.js"></script><script defer src="../static.files/main-5f194d8c.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-893ab5e7.css"></noscript><link rel="icon" href="https://www.rust-lang.org/favicon.ico"></head><body class="rustdoc struct"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle" title="show sidebar"></button><a class="logo-container" href="../tempfile/index.html"><img src="https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png" alt=""></a></nav><nav class="sidebar"><div class="sidebar-crate"><a class="logo-container" 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="#">Builder</a></h2><h3><a href="#implementations">Methods</a></h3><ul class="block method"><li><a href="#method.append" title="append">append</a></li><li><a href="#method.keep" title="keep">keep</a></li><li><a href="#method.make" title="make">make</a></li><li><a href="#method.make_in" title="make_in">make_in</a></li><li><a href="#method.new" title="new">new</a></li><li><a href="#method.permissions" title="permissions">permissions</a></li><li><a href="#method.prefix" title="prefix">prefix</a></li><li><a href="#method.rand_bytes" title="rand_bytes">rand_bytes</a></li><li><a href="#method.suffix" title="suffix">suffix</a></li><li><a href="#method.tempdir" title="tempdir">tempdir</a></li><li><a href="#method.tempdir_in" title="tempdir_in">tempdir_in</a></li><li><a href="#method.tempfile" title="tempfile">tempfile</a></li><li><a href="#method.tempfile_in" title="tempfile_in">tempfile_in</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block trait-implementation"><li><a href="#impl-Clone-for-Builder%3C'a,+'b%3E" title="Clone">Clone</a></li><li><a href="#impl-Debug-for-Builder%3C'a,+'b%3E" title="Debug">Debug</a></li><li><a href="#impl-Default-for-Builder%3C'a,+'b%3E" title="Default">Default</a></li><li><a href="#impl-Eq-for-Builder%3C'a,+'b%3E" title="Eq">Eq</a></li><li><a href="#impl-PartialEq-for-Builder%3C'a,+'b%3E" title="PartialEq">PartialEq</a></li><li><a href="#impl-StructuralPartialEq-for-Builder%3C'a,+'b%3E" title="StructuralPartialEq">StructuralPartialEq</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block synthetic-implementation"><li><a href="#impl-Freeze-for-Builder%3C'a,+'b%3E" title="Freeze">Freeze</a></li><li><a href="#impl-RefUnwindSafe-for-Builder%3C'a,+'b%3E" title="RefUnwindSafe">RefUnwindSafe</a></li><li><a href="#impl-Send-for-Builder%3C'a,+'b%3E" title="Send">Send</a></li><li><a href="#impl-Sync-for-Builder%3C'a,+'b%3E" title="Sync">Sync</a></li><li><a href="#impl-Unpin-for-Builder%3C'a,+'b%3E" title="Unpin">Unpin</a></li><li><a href="#impl-UnwindSafe-for-Builder%3C'a,+'b%3E" 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-CloneToUninit-for-T" title="CloneToUninit">CloneToUninit</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-ToOwned-for-T" title="ToOwned">ToOwned</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">Builder</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/lib.rs.html#174-181">Source</a> </span></div><pre class="rust item-decl"><code>pub struct Builder<'a, 'b> { <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>Create a new temporary file or directory with custom parameters.</p>
|
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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-Builder%3C'a,+'b%3E" class="impl"><a class="src rightside" href="../src/tempfile/lib.rs.html#196-698">Source</a><a href="#impl-Builder%3C'a,+'b%3E" class="anchor">§</a><h3 class="code-header">impl<'a, 'b> <a class="struct" href="struct.Builder.html" title="struct tempfile::Builder">Builder</a><'a, 'b></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/lib.rs.html#263-265">Source</a><h4 class="code-header">pub fn <a href="#method.new" class="fn">new</a>() -> Self</h4></section></summary><div class="docblock"><p>Create a new <code>Builder</code>.</p>
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<h5 id="examples"><a class="doc-anchor" href="#examples">§</a>Examples</h5>
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<p>Create a named temporary file and write some data into it:</p>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::ffi::OsStr;
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<span class="kw">use </span>tempfile::Builder;
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<span class="kw">let </span>named_tempfile = Builder::new()
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.prefix(<span class="string">"my-temporary-note"</span>)
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.suffix(<span class="string">".txt"</span>)
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.rand_bytes(<span class="number">5</span>)
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.tempfile()<span class="question-mark">?</span>;
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<span class="kw">let </span>name = named_tempfile
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.path()
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.file_name().and_then(OsStr::to_str);
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<span class="kw">if let </span><span class="prelude-val">Some</span>(name) = name {
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<span class="macro">assert!</span>(name.starts_with(<span class="string">"my-temporary-note"</span>));
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<span class="macro">assert!</span>(name.ends_with(<span class="string">".txt"</span>));
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<span class="macro">assert_eq!</span>(name.len(), <span class="string">"my-temporary-note.txt"</span>.len() + <span class="number">5</span>);
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}</code></pre></div>
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<p>Create a temporary directory and add a file to it:</p>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::io::Write;
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<span class="kw">use </span>std::fs::File;
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<span class="kw">use </span>std::ffi::OsStr;
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<span class="kw">use </span>tempfile::Builder;
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<span class="kw">let </span>dir = Builder::new()
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.prefix(<span class="string">"my-temporary-dir"</span>)
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.rand_bytes(<span class="number">5</span>)
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.tempdir()<span class="question-mark">?</span>;
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<span class="kw">let </span>file_path = 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>file = File::create(file_path)<span class="question-mark">?</span>;
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<span class="macro">writeln!</span>(file, <span class="string">"Brian was here. Briefly."</span>)<span class="question-mark">?</span>;
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<span class="comment">// By closing the `TempDir` explicitly, we can check that it has
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// been deleted successfully. If we don't close it explicitly,
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// the directory will still be deleted when `dir` goes out
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// of scope, but we won't know whether deleting the directory
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// succeeded.
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</span>drop(file);
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dir.close()<span class="question-mark">?</span>;</code></pre></div>
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<p>Create a temporary directory with a chosen prefix under a chosen folder:</p>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>tempfile::Builder;
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<span class="kw">let </span>dir = Builder::new()
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.prefix(<span class="string">"my-temporary-dir"</span>)
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.tempdir_in(<span class="string">"folder-with-tempdirs"</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.prefix" class="method"><a class="src rightside" href="../src/tempfile/lib.rs.html#282-285">Source</a><h4 class="code-header">pub fn <a href="#method.prefix" class="fn">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>> + ?<a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>>(&mut self, prefix: <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.reference.html">&'a S</a>) -> &mut Self</h4></section></summary><div class="docblock"><p>Set a custom filename prefix.</p>
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<p>Path separators are legal but not advisable.
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Default: <code>.tmp</code>.</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>tempfile::Builder;
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<span class="kw">let </span>named_tempfile = Builder::new()
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.prefix(<span class="string">"my-temporary-note"</span>)
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.tempfile()<span class="question-mark">?</span>;</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.suffix" class="method"><a class="src rightside" href="../src/tempfile/lib.rs.html#302-305">Source</a><h4 class="code-header">pub fn <a href="#method.suffix" class="fn">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>> + ?<a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>>(&mut self, suffix: <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.reference.html">&'b S</a>) -> &mut Self</h4></section></summary><div class="docblock"><p>Set a custom filename suffix.</p>
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<p>Path separators are legal but not advisable.
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Default: empty.</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>tempfile::Builder;
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<span class="kw">let </span>named_tempfile = Builder::new()
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.suffix(<span class="string">".txt"</span>)
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.tempfile()<span class="question-mark">?</span>;</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.rand_bytes" class="method"><a class="src rightside" href="../src/tempfile/lib.rs.html#321-324">Source</a><h4 class="code-header">pub fn <a href="#method.rand_bytes" class="fn">rand_bytes</a>(&mut self, rand: <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.usize.html">usize</a>) -> &mut Self</h4></section></summary><div class="docblock"><p>Set the number of random bytes.</p>
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<p>Default: <code>6</code>.</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>tempfile::Builder;
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<span class="kw">let </span>named_tempfile = Builder::new()
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.rand_bytes(<span class="number">5</span>)
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.tempfile()<span class="question-mark">?</span>;</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.append" class="method"><a class="src rightside" href="../src/tempfile/lib.rs.html#340-343">Source</a><h4 class="code-header">pub fn <a href="#method.append" class="fn">append</a>(&mut self, append: <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.bool.html">bool</a>) -> &mut Self</h4></section></summary><div class="docblock"><p>Set the file to be opened in append mode.</p>
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<p>Default: <code>false</code>.</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>tempfile::Builder;
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<span class="kw">let </span>named_tempfile = Builder::new()
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.append(<span class="bool-val">true</span>)
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.tempfile()<span class="question-mark">?</span>;</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.permissions" class="method"><a class="src rightside" href="../src/tempfile/lib.rs.html#412-415">Source</a><h4 class="code-header">pub fn <a href="#method.permissions" class="fn">permissions</a>(&mut self, permissions: <a class="struct" href="https://doc.rust-lang.org/1.84.1/std/fs/struct.Permissions.html" title="struct std::fs::Permissions">Permissions</a>) -> &mut Self</h4></section></summary><div class="docblock"><p>The permissions to create the tempfile or <a href="struct.Builder.html#method.tempdir" title="method tempfile::Builder::tempdir">tempdir</a> with.</p>
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<h5 id="security"><a class="doc-anchor" href="#security">§</a>Security</h5>
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<p>By default, the permissions of tempfiles on unix are set for it to be
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readable and writable by the owner only, yielding the greatest amount
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of security.
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As this method allows to widen the permissions, security would be
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reduced in such cases.</p>
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<h5 id="platform-notes"><a class="doc-anchor" href="#platform-notes">§</a>Platform Notes</h5><h6 id="unix"><a class="doc-anchor" href="#unix">§</a>Unix</h6>
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<p>The actual permission bits set on the tempfile or tempdir will be affected by the <code>umask</code>
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applied by the underlying syscall. The actual permission bits are calculated via
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<code>permissions & !umask</code>.</p>
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<p>Permissions default to <code>0o600</code> for tempfiles and <code>0o777</code> for tempdirs. Note, this doesn’t
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include effects of the current <code>umask</code>. For example, combined with the standard umask
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<code>0o022</code>, the defaults yield <code>0o600</code> for tempfiles and <code>0o755</code> for tempdirs.</p>
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<h6 id="windows-and-others"><a class="doc-anchor" href="#windows-and-others">§</a>Windows and others</h6>
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<p>This setting is unsupported and trying to set a file or directory read-only
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will cause an error to be returned..</p>
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<h5 id="examples-5"><a class="doc-anchor" href="#examples-5">§</a>Examples</h5>
|
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<p>Create a named temporary file that is world-readable.</p>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>tempfile::Builder;
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<span class="kw">use </span>std::os::unix::fs::PermissionsExt;
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<span class="kw">let </span>all_read_write = std::fs::Permissions::from_mode(<span class="number">0o666</span>);
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<span class="kw">let </span>tempfile = Builder::new().permissions(all_read_write).tempfile()<span class="question-mark">?</span>;
|
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<span class="kw">let </span>actual_permissions = tempfile.path().metadata()<span class="question-mark">?</span>.permissions();
|
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<span class="macro">assert_ne!</span>(
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actual_permissions.mode() & !<span class="number">0o170000</span>,
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||
<span class="number">0o600</span>,
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<span class="string">"we get broader permissions than the default despite umask"
|
||
</span>);</code></pre></div>
|
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<p>Create a named temporary directory that is restricted to the owner.</p>
|
||
|
||
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>tempfile::Builder;
|
||
<span class="kw">use </span>std::os::unix::fs::PermissionsExt;
|
||
|
||
<span class="kw">let </span>owner_rwx = std::fs::Permissions::from_mode(<span class="number">0o700</span>);
|
||
<span class="kw">let </span>tempdir = Builder::new().permissions(owner_rwx).tempdir()<span class="question-mark">?</span>;
|
||
<span class="kw">let </span>actual_permissions = tempdir.path().metadata()<span class="question-mark">?</span>.permissions();
|
||
<span class="macro">assert_eq!</span>(
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||
actual_permissions.mode() & !<span class="number">0o170000</span>,
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<span class="number">0o700</span>,
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<span class="string">"we get the narrow permissions we asked for"
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||
</span>);</code></pre></div>
|
||
</div></details><details class="toggle method-toggle" open><summary><section id="method.keep" class="method"><a class="src rightside" href="../src/tempfile/lib.rs.html#433-436">Source</a><h4 class="code-header">pub fn <a href="#method.keep" class="fn">keep</a>(&mut self, keep: <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.bool.html">bool</a>) -> &mut Self</h4></section></summary><div class="docblock"><p>Set the file/folder to be kept even when the <a href="struct.NamedTempFile.html" title="struct tempfile::NamedTempFile"><code>NamedTempFile</code></a>/<a href="struct.TempDir.html" title="struct tempfile::TempDir"><code>TempDir</code></a> goes out of
|
||
scope.</p>
|
||
<p>By default, the file/folder is automatically cleaned up in the destructor of
|
||
<a href="struct.NamedTempFile.html" title="struct tempfile::NamedTempFile"><code>NamedTempFile</code></a>/<a href="struct.TempDir.html" title="struct tempfile::TempDir"><code>TempDir</code></a>. When <code>keep</code> is set to <code>true</code>, this behavior is supressed.</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>tempfile::Builder;
|
||
|
||
<span class="kw">let </span>named_tempfile = Builder::new()
|
||
.keep(<span class="bool-val">true</span>)
|
||
.tempfile()<span class="question-mark">?</span>;</code></pre></div>
|
||
</div></details><details class="toggle method-toggle" open><summary><section id="method.tempfile" class="method"><a class="src rightside" href="../src/tempfile/lib.rs.html#463-465">Source</a><h4 class="code-header">pub fn <a href="#method.tempfile" class="fn">tempfile</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="struct" href="struct.NamedTempFile.html" title="struct tempfile::NamedTempFile">NamedTempFile</a>></h4></section></summary><div class="docblock"><p>Create the named temporary file.</p>
|
||
<h5 id="security-1"><a class="doc-anchor" href="#security-1">§</a>Security</h5>
|
||
<p>See <a href="struct.NamedTempFile.html#security">the security</a> docs on <code>NamedTempFile</code>.</p>
|
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<h5 id="resource-leaking"><a class="doc-anchor" href="#resource-leaking">§</a>Resource leaking</h5>
|
||
<p>See <a href="struct.NamedTempFile.html#resource-leaking">the resource leaking</a> docs on <code>NamedTempFile</code>.</p>
|
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<h5 id="errors"><a class="doc-anchor" href="#errors">§</a>Errors</h5>
|
||
<p>If the file cannot be created, <code>Err</code> is returned.</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::Builder;
|
||
|
||
<span class="kw">let </span>tempfile = Builder::new().tempfile()<span class="question-mark">?</span>;</code></pre></div>
|
||
</div></details><details class="toggle method-toggle" open><summary><section id="method.tempfile_in" class="method"><a class="src rightside" href="../src/tempfile/lib.rs.html#492-507">Source</a><h4 class="code-header">pub fn <a href="#method.tempfile_in" class="fn">tempfile_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>>>(&self, 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.NamedTempFile.html" title="struct tempfile::NamedTempFile">NamedTempFile</a>></h4></section></summary><div class="docblock"><p>Create the named temporary file in the specified directory.</p>
|
||
<h5 id="security-2"><a class="doc-anchor" href="#security-2">§</a>Security</h5>
|
||
<p>See <a href="struct.NamedTempFile.html#security">the security</a> docs on <code>NamedTempFile</code>.</p>
|
||
<h5 id="resource-leaking-1"><a class="doc-anchor" href="#resource-leaking-1">§</a>Resource leaking</h5>
|
||
<p>See <a href="struct.NamedTempFile.html#resource-leaking">the resource leaking</a> docs on <code>NamedTempFile</code>.</p>
|
||
<h5 id="errors-1"><a class="doc-anchor" href="#errors-1">§</a>Errors</h5>
|
||
<p>If the file cannot be created, <code>Err</code> is returned.</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>tempfile::Builder;
|
||
|
||
<span class="kw">let </span>tempfile = Builder::new().tempfile_in(<span class="string">"./"</span>)<span class="question-mark">?</span>;</code></pre></div>
|
||
</div></details><details class="toggle method-toggle" open><summary><section id="method.tempdir" class="method"><a class="src rightside" href="../src/tempfile/lib.rs.html#532-534">Source</a><h4 class="code-header">pub fn <a href="#method.tempdir" class="fn">tempdir</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="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 <a href="env/fn.temp_dir.html" title="fn tempfile::env::temp_dir"><code>env::temp_dir()</code></a> whose
|
||
name will have the prefix, <code>prefix</code>. The directory and
|
||
everything inside it will be automatically deleted once the
|
||
returned <code>TempDir</code> is destroyed.</p>
|
||
<h5 id="resource-leaking-2"><a class="doc-anchor" href="#resource-leaking-2">§</a>Resource leaking</h5>
|
||
<p>See <a href="struct.TempDir.html#resource-leaking">the resource leaking</a> docs on <code>TempDir</code>.</p>
|
||
<h5 id="errors-2"><a class="doc-anchor" href="#errors-2">§</a>Errors</h5>
|
||
<p>If the directory can not be created, <code>Err</code> is returned.</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>tempfile::Builder;
|
||
|
||
<span class="kw">let </span>tmp_dir = Builder::new().tempdir()<span class="question-mark">?</span>;</code></pre></div>
|
||
</div></details><details class="toggle method-toggle" open><summary><section id="method.tempdir_in" class="method"><a class="src rightside" href="../src/tempfile/lib.rs.html#558-570">Source</a><h4 class="code-header">pub fn <a href="#method.tempdir_in" class="fn">tempdir_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>>>(&self, 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>.
|
||
The directory and everything inside it will be automatically
|
||
deleted once the returned <code>TempDir</code> is destroyed.</p>
|
||
<h5 id="resource-leaking-3"><a class="doc-anchor" href="#resource-leaking-3">§</a>Resource leaking</h5>
|
||
<p>See <a href="struct.TempDir.html#resource-leaking">the resource leaking</a> docs on <code>TempDir</code>.</p>
|
||
<h5 id="errors-3"><a class="doc-anchor" href="#errors-3">§</a>Errors</h5>
|
||
<p>If the directory can not be created, <code>Err</code> is returned.</p>
|
||
<h5 id="examples-10"><a class="doc-anchor" href="#examples-10">§</a>Examples</h5>
|
||
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>tempfile::Builder;
|
||
|
||
<span class="kw">let </span>tmp_dir = Builder::new().tempdir_in(<span class="string">"./"</span>)<span class="question-mark">?</span>;</code></pre></div>
|
||
</div></details><details class="toggle method-toggle" open><summary><section id="method.make" class="method"><a class="src rightside" href="../src/tempfile/lib.rs.html#657-662">Source</a><h4 class="code-header">pub fn <a href="#method.make" class="fn">make</a><F, R>(&self, f: F) -> <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.NamedTempFile.html" title="struct tempfile::NamedTempFile">NamedTempFile</a><R>><div class="where">where
|
||
F: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</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>) -> <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><R>,</div></h4></section></summary><div class="docblock"><p>Attempts to create a temporary file (or file-like object) using the
|
||
provided closure. The closure is passed a temporary file path and
|
||
returns an <a href="https://doc.rust-lang.org/1.84.1/std/io/error/type.Result.html" title="type std::io::error::Result"><code>std::io::Result</code></a>. The path provided to the closure will be
|
||
inside of <a href="env/fn.temp_dir.html" title="fn tempfile::env::temp_dir"><code>env::temp_dir()</code></a>. Use <a href="struct.Builder.html#method.make_in" title="method tempfile::Builder::make_in"><code>Builder::make_in</code></a> to provide
|
||
a custom temporary directory. If the closure returns one of the
|
||
following errors, then another randomized file path is tried:</p>
|
||
<ul>
|
||
<li><a href="https://doc.rust-lang.org/1.84.1/std/io/error/enum.ErrorKind.html#variant.AlreadyExists" title="variant std::io::error::ErrorKind::AlreadyExists"><code>std::io::ErrorKind::AlreadyExists</code></a></li>
|
||
<li><a href="https://doc.rust-lang.org/1.84.1/std/io/error/enum.ErrorKind.html#variant.AddrInUse" title="variant std::io::error::ErrorKind::AddrInUse"><code>std::io::ErrorKind::AddrInUse</code></a></li>
|
||
</ul>
|
||
<p>This can be helpful for taking full control over the file creation, but
|
||
leaving the temporary file path construction up to the library. This
|
||
also enables creating a temporary UNIX domain socket, since it is not
|
||
possible to bind to a socket that already exists.</p>
|
||
<p>Note that <a href="struct.Builder.html#method.append" title="method tempfile::Builder::append"><code>Builder::append</code></a> is ignored when using <a href="struct.Builder.html#method.make" title="method tempfile::Builder::make"><code>Builder::make</code></a>.</p>
|
||
<h5 id="security-3"><a class="doc-anchor" href="#security-3">§</a>Security</h5>
|
||
<p>This has the same <a href="struct.NamedTempFile.html#security">security implications</a> as
|
||
<a href="struct.NamedTempFile.html" title="struct tempfile::NamedTempFile"><code>NamedTempFile</code></a>, but with additional caveats. Specifically, it is up
|
||
to the closure to ensure that the file does not exist and that such a
|
||
check is <em>atomic</em>. Otherwise, a <a href="https://en.wikipedia.org/wiki/Time-of-check_to_time-of-use">time-of-check to time-of-use
|
||
bug</a> could be introduced.</p>
|
||
<p>For example, the following is <strong>not</strong> secure:</p>
|
||
|
||
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::fs::File;
|
||
<span class="kw">use </span>tempfile::Builder;
|
||
|
||
<span class="comment">// This is NOT secure!
|
||
</span><span class="kw">let </span>tempfile = Builder::new().make(|path| {
|
||
<span class="kw">if </span>path.is_file() {
|
||
<span class="kw">return </span><span class="prelude-val">Err</span>(std::io::ErrorKind::AlreadyExists.into());
|
||
}
|
||
|
||
<span class="comment">// Between the check above and the usage below, an attacker could
|
||
// have replaced `path` with another file, which would get truncated
|
||
// by `File::create`.
|
||
|
||
</span>File::create(path)
|
||
})<span class="question-mark">?</span>;</code></pre></div>
|
||
<p>Note that simply using <a href="https://doc.rust-lang.org/1.84.1/std/fs/struct.File.html#method.create" title="associated function std::fs::File::create"><code>std::fs::File::create</code></a> alone is not correct
|
||
because it does not fail if the file already exists:</p>
|
||
|
||
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>tempfile::Builder;
|
||
<span class="kw">use </span>std::fs::File;
|
||
|
||
<span class="comment">// This could overwrite an existing file!
|
||
</span><span class="kw">let </span>tempfile = Builder::new().make(|path| File::create(path))<span class="question-mark">?</span>;</code></pre></div>
|
||
<p>For creating regular temporary files, use <a href="struct.Builder.html#method.tempfile" title="method tempfile::Builder::tempfile"><code>Builder::tempfile</code></a> instead
|
||
to avoid these problems. This function is meant to enable more exotic
|
||
use-cases.</p>
|
||
<h5 id="resource-leaking-4"><a class="doc-anchor" href="#resource-leaking-4">§</a>Resource leaking</h5>
|
||
<p>See <a href="struct.NamedTempFile.html#resource-leaking">the resource leaking</a> docs on <code>NamedTempFile</code>.</p>
|
||
<h5 id="errors-4"><a class="doc-anchor" href="#errors-4">§</a>Errors</h5>
|
||
<p>If the closure returns any error besides
|
||
<a href="https://doc.rust-lang.org/1.84.1/std/io/error/enum.ErrorKind.html#variant.AlreadyExists" title="variant std::io::error::ErrorKind::AlreadyExists"><code>std::io::ErrorKind::AlreadyExists</code></a> or
|
||
<a href="https://doc.rust-lang.org/1.84.1/std/io/error/enum.ErrorKind.html#variant.AddrInUse" title="variant std::io::error::ErrorKind::AddrInUse"><code>std::io::ErrorKind::AddrInUse</code></a>, then <code>Err</code> is returned.</p>
|
||
<h5 id="examples-11"><a class="doc-anchor" href="#examples-11">§</a>Examples</h5>
|
||
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::os::unix::net::UnixListener;
|
||
<span class="kw">use </span>tempfile::Builder;
|
||
|
||
<span class="kw">let </span>tempsock = Builder::new().make(|path| UnixListener::bind(path))<span class="question-mark">?</span>;</code></pre></div>
|
||
</div></details><details class="toggle method-toggle" open><summary><section id="method.make_in" class="method"><a class="src rightside" href="../src/tempfile/lib.rs.html#680-697">Source</a><h4 class="code-header">pub fn <a href="#method.make_in" class="fn">make_in</a><F, R, P>(&self, dir: P, f: F) -> <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.NamedTempFile.html" title="struct tempfile::NamedTempFile">NamedTempFile</a><R>><div class="where">where
|
||
F: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</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>) -> <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><R>,
|
||
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>>,</div></h4></section></summary><div class="docblock"><p>This is the same as <a href="struct.Builder.html#method.make" title="method tempfile::Builder::make"><code>Builder::make</code></a>, except <code>dir</code> is used as the base
|
||
directory for the temporary file path.</p>
|
||
<p>See <a href="struct.Builder.html#method.make" title="method tempfile::Builder::make"><code>Builder::make</code></a> for more details and security implications.</p>
|
||
<h5 id="examples-12"><a class="doc-anchor" href="#examples-12">§</a>Examples</h5>
|
||
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>tempfile::Builder;
|
||
<span class="kw">use </span>std::os::unix::net::UnixListener;
|
||
|
||
<span class="kw">let </span>tempsock = Builder::new().make_in(<span class="string">"./"</span>, |path| UnixListener::bind(path))<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-Clone-for-Builder%3C'a,+'b%3E" class="impl"><a class="src rightside" href="../src/tempfile/lib.rs.html#173">Source</a><a href="#impl-Clone-for-Builder%3C'a,+'b%3E" class="anchor">§</a><h3 class="code-header">impl<'a, 'b> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="struct" href="struct.Builder.html" title="struct tempfile::Builder">Builder</a><'a, 'b></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.clone" class="method trait-impl"><a class="src rightside" href="../src/tempfile/lib.rs.html#173">Source</a><a href="#method.clone" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/core/clone/trait.Clone.html#tymethod.clone" class="fn">clone</a>(&self) -> <a class="struct" href="struct.Builder.html" title="struct tempfile::Builder">Builder</a><'a, 'b></h4></section></summary><div class='docblock'>Returns a copy of the value. <a href="https://doc.rust-lang.org/1.84.1/core/clone/trait.Clone.html#tymethod.clone">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.clone_from" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.84.1/src/core/clone.rs.html#174">Source</a></span><a href="#method.clone_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/core/clone/trait.Clone.html#method.clone_from" class="fn">clone_from</a>(&mut self, source: &Self)</h4></section></summary><div class='docblock'>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/1.84.1/core/clone/trait.Clone.html#method.clone_from">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Debug-for-Builder%3C'a,+'b%3E" class="impl"><a class="src rightside" href="../src/tempfile/lib.rs.html#173">Source</a><a href="#impl-Debug-for-Builder%3C'a,+'b%3E" class="anchor">§</a><h3 class="code-header">impl<'a, 'b> <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.Builder.html" title="struct tempfile::Builder">Builder</a><'a, 'b></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/lib.rs.html#173">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-Default-for-Builder%3C'a,+'b%3E" class="impl"><a class="src rightside" href="../src/tempfile/lib.rs.html#183-194">Source</a><a href="#impl-Default-for-Builder%3C'a,+'b%3E" class="anchor">§</a><h3 class="code-header">impl<'a, 'b> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/default/trait.Default.html" title="trait core::default::Default">Default</a> for <a class="struct" href="struct.Builder.html" title="struct tempfile::Builder">Builder</a><'a, 'b></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.default" class="method trait-impl"><a class="src rightside" href="../src/tempfile/lib.rs.html#184-193">Source</a><a href="#method.default" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/core/default/trait.Default.html#tymethod.default" class="fn">default</a>() -> Self</h4></section></summary><div class='docblock'>Returns the “default value” for a type. <a href="https://doc.rust-lang.org/1.84.1/core/default/trait.Default.html#tymethod.default">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-PartialEq-for-Builder%3C'a,+'b%3E" class="impl"><a class="src rightside" href="../src/tempfile/lib.rs.html#173">Source</a><a href="#impl-PartialEq-for-Builder%3C'a,+'b%3E" class="anchor">§</a><h3 class="code-header">impl<'a, 'b> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/cmp/trait.PartialEq.html" title="trait core::cmp::PartialEq">PartialEq</a> for <a class="struct" href="struct.Builder.html" title="struct tempfile::Builder">Builder</a><'a, 'b></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.eq" class="method trait-impl"><a class="src rightside" href="../src/tempfile/lib.rs.html#173">Source</a><a href="#method.eq" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/core/cmp/trait.PartialEq.html#tymethod.eq" class="fn">eq</a>(&self, other: &<a class="struct" href="struct.Builder.html" title="struct tempfile::Builder">Builder</a><'a, 'b>) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>Tests for <code>self</code> and <code>other</code> values to be equal, and is used by <code>==</code>.</div></details><details class="toggle method-toggle" open><summary><section id="method.ne" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.84.1/src/core/cmp.rs.html#261">Source</a></span><a href="#method.ne" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/core/cmp/trait.PartialEq.html#method.ne" class="fn">ne</a>(&self, other: <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.reference.html">&Rhs</a>) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>Tests for <code>!=</code>. The default implementation is almost always sufficient,
|
||
and should not be overridden without very good reason.</div></details></div></details><section id="impl-Eq-for-Builder%3C'a,+'b%3E" class="impl"><a class="src rightside" href="../src/tempfile/lib.rs.html#173">Source</a><a href="#impl-Eq-for-Builder%3C'a,+'b%3E" class="anchor">§</a><h3 class="code-header">impl<'a, 'b> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> for <a class="struct" href="struct.Builder.html" title="struct tempfile::Builder">Builder</a><'a, 'b></h3></section><section id="impl-StructuralPartialEq-for-Builder%3C'a,+'b%3E" class="impl"><a class="src rightside" href="../src/tempfile/lib.rs.html#173">Source</a><a href="#impl-StructuralPartialEq-for-Builder%3C'a,+'b%3E" class="anchor">§</a><h3 class="code-header">impl<'a, 'b> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.StructuralPartialEq.html" title="trait core::marker::StructuralPartialEq">StructuralPartialEq</a> for <a class="struct" href="struct.Builder.html" title="struct tempfile::Builder">Builder</a><'a, 'b></h3></section></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-Builder%3C'a,+'b%3E" class="impl"><a href="#impl-Freeze-for-Builder%3C'a,+'b%3E" class="anchor">§</a><h3 class="code-header">impl<'a, 'b> <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.Builder.html" title="struct tempfile::Builder">Builder</a><'a, 'b></h3></section><section id="impl-RefUnwindSafe-for-Builder%3C'a,+'b%3E" class="impl"><a href="#impl-RefUnwindSafe-for-Builder%3C'a,+'b%3E" class="anchor">§</a><h3 class="code-header">impl<'a, 'b> <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.Builder.html" title="struct tempfile::Builder">Builder</a><'a, 'b></h3></section><section id="impl-Send-for-Builder%3C'a,+'b%3E" class="impl"><a href="#impl-Send-for-Builder%3C'a,+'b%3E" class="anchor">§</a><h3 class="code-header">impl<'a, 'b> <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.Builder.html" title="struct tempfile::Builder">Builder</a><'a, 'b></h3></section><section id="impl-Sync-for-Builder%3C'a,+'b%3E" class="impl"><a href="#impl-Sync-for-Builder%3C'a,+'b%3E" class="anchor">§</a><h3 class="code-header">impl<'a, 'b> <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.Builder.html" title="struct tempfile::Builder">Builder</a><'a, 'b></h3></section><section id="impl-Unpin-for-Builder%3C'a,+'b%3E" class="impl"><a href="#impl-Unpin-for-Builder%3C'a,+'b%3E" class="anchor">§</a><h3 class="code-header">impl<'a, 'b> <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.Builder.html" title="struct tempfile::Builder">Builder</a><'a, 'b></h3></section><section id="impl-UnwindSafe-for-Builder%3C'a,+'b%3E" class="impl"><a href="#impl-UnwindSafe-for-Builder%3C'a,+'b%3E" class="anchor">§</a><h3 class="code-header">impl<'a, 'b> <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.Builder.html" title="struct tempfile::Builder">Builder</a><'a, 'b></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
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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
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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
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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-CloneToUninit-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/clone.rs.html#273">Source</a><a href="#impl-CloneToUninit-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/clone/trait.CloneToUninit.html" title="trait core::clone::CloneToUninit">CloneToUninit</a> for T<div class="where">where
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T: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.clone_to_uninit" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/core/clone.rs.html#275">Source</a><a href="#method.clone_to_uninit" class="anchor">§</a><h4 class="code-header">unsafe fn <a href="https://doc.rust-lang.org/1.84.1/core/clone/trait.CloneToUninit.html#tymethod.clone_to_uninit" class="fn">clone_to_uninit</a>(&self, dst: <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.pointer.html">*mut </a><a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u8.html">u8</a>)</h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>clone_to_uninit</code>)</span></div></span><div class='docblock'>Performs copy-assignment from <code>self</code> to <code>dst</code>. <a href="https://doc.rust-lang.org/1.84.1/core/clone/trait.CloneToUninit.html#tymethod.clone_to_uninit">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>
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</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
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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>
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<p>That is, this conversion is whatever the implementation of
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<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>
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</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-ToOwned-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/alloc/borrow.rs.html#82-84">Source</a><a href="#impl-ToOwned-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.84.1/alloc/borrow/trait.ToOwned.html" title="trait alloc::borrow::ToOwned">ToOwned</a> for T<div class="where">where
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T: <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Owned" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/alloc/borrow.rs.html#86">Source</a><a href="#associatedtype.Owned" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.84.1/alloc/borrow/trait.ToOwned.html#associatedtype.Owned" class="associatedtype">Owned</a> = T</h4></section></summary><div class='docblock'>The resulting type after obtaining ownership.</div></details><details class="toggle method-toggle" open><summary><section id="method.to_owned" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/alloc/borrow.rs.html#87">Source</a><a href="#method.to_owned" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/alloc/borrow/trait.ToOwned.html#tymethod.to_owned" class="fn">to_owned</a>(&self) -> T</h4></section></summary><div class='docblock'>Creates owned data from borrowed data, usually by cloning. <a href="https://doc.rust-lang.org/1.84.1/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.clone_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.84.1/src/alloc/borrow.rs.html#91">Source</a><a href="#method.clone_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.84.1/alloc/borrow/trait.ToOwned.html#method.clone_into" class="fn">clone_into</a>(&self, target: <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'>Uses borrowed data to replace owned data, usually by cloning. <a href="https://doc.rust-lang.org/1.84.1/alloc/borrow/trait.ToOwned.html#method.clone_into">Read more</a></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> |