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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="Trait to determine if a descriptor/handle refers to a terminal/tty."><title>IsTerminal in anstream::stream - 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="anstream" 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="alternate icon" type="image/png" href="../../static.files/favicon-32x32-6580c154.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.svg"></head><body class="rustdoc trait"><!--[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></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../anstream/index.html">anstream</a><span class="version">0.6.18</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">IsTerminal</a></h2><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.is_terminal" title="is_terminal">is_terminal</a></li></ul><h3><a href="#foreign-impls">Implementations on Foreign Types</a></h3><ul class="block"><li><a href="#impl-IsTerminal-for-%26T" title="&#38;T">&#38;T</a></li><li><a href="#impl-IsTerminal-for-%26mut+T" title="&#38;mut T">&#38;mut T</a></li><li><a href="#impl-IsTerminal-for-Box%3CT%3E" title="Box&#60;T&#62;">Box&#60;T&#62;</a></li><li><a href="#impl-IsTerminal-for-File" title="File">File</a></li><li><a href="#impl-IsTerminal-for-Stderr" title="Stderr">Stderr</a></li><li><a href="#impl-IsTerminal-for-StderrLock%3C'_%3E" title="StderrLock&#60;&#39;_&#62;">StderrLock&#60;&#39;_&#62;</a></li><li><a href="#impl-IsTerminal-for-Stdout" title="Stdout">Stdout</a></li><li><a href="#impl-IsTerminal-for-StdoutLock%3C'_%3E" title="StdoutLock&#60;&#39;_&#62;">StdoutLock&#60;&#39;_&#62;</a></li><li><a href="#impl-IsTerminal-for-Vec%3Cu8%3E" title="Vec&#60;u8&#62;">Vec&#60;u8&#62;</a></li><li><a href="#impl-IsTerminal-for-dyn+Write" title="dyn Write">dyn Write</a></li><li><a href="#impl-IsTerminal-for-dyn+Write+%2B+Send" title="dyn Write + Send">dyn Write + Send</a></li><li><a href="#impl-IsTerminal-for-dyn+Write+%2B+Send+%2B+Sync" title="dyn Write + Send + Sync">dyn Write + Send + Sync</a></li></ul><h3><a href="#implementors">Implementors</a></h3></section><div id="rustdoc-modnav"><h2><a href="index.html">In anstream::<wbr>stream</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">anstream</a>::<wbr><a href="index.html">stream</a></span><h1>Trait <span class="trait">IsTerminal</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/anstream/stream.rs.html#37-40">Source</a> </span></div><pre class="rust item-decl"><code>pub trait IsTerminal: Sealed {
// Required method
fn <a href="#tymethod.is_terminal" class="fn">is_terminal</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.bool.html">bool</a>;
}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Trait to determine if a descriptor/handle refers to a terminal/tty.</p>
</div></details><h2 id="required-methods" class="section-header">Required Methods<a href="#required-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="tymethod.is_terminal" class="method"><a class="src rightside" href="../../src/anstream/stream.rs.html#39">Source</a><h4 class="code-header">fn <a href="#tymethod.is_terminal" class="fn">is_terminal</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.bool.html">bool</a></h4></section></summary><div class="docblock"><p>Returns <code>true</code> if the descriptor/handle refers to a terminal/tty.</p>
</div></details></div><h2 id="foreign-impls" class="section-header">Implementations on Foreign Types<a href="#foreign-impls" class="anchor">§</a></h2><details class="toggle implementors-toggle"><summary><section id="impl-IsTerminal-for-Vec%3Cu8%3E" class="impl"><a class="src rightside" href="../../src/anstream/stream.rs.html#112-117">Source</a><a href="#impl-IsTerminal-for-Vec%3Cu8%3E" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.IsTerminal.html" title="trait anstream::stream::IsTerminal">IsTerminal</a> for <a class="struct" href="https://doc.rust-lang.org/1.84.1/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u8.html">u8</a>&gt;</h3></section></summary><div class="impl-items"><section id="method.is_terminal" class="method trait-impl"><a class="src rightside" href="../../src/anstream/stream.rs.html#114-116">Source</a><a href="#method.is_terminal" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.is_terminal" class="fn">is_terminal</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-IsTerminal-for-File" class="impl"><a class="src rightside" href="../../src/anstream/stream.rs.html#119-124">Source</a><a href="#impl-IsTerminal-for-File" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.IsTerminal.html" title="trait anstream::stream::IsTerminal">IsTerminal</a> for <a class="struct" href="https://doc.rust-lang.org/1.84.1/std/fs/struct.File.html" title="struct std::fs::File">File</a></h3></section></summary><div class="impl-items"><section id="method.is_terminal-1" class="method trait-impl"><a class="src rightside" href="../../src/anstream/stream.rs.html#121-123">Source</a><a href="#method.is_terminal-1" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.is_terminal" class="fn">is_terminal</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-IsTerminal-for-Stderr" class="impl"><a class="src rightside" href="../../src/anstream/stream.rs.html#77-82">Source</a><a href="#impl-IsTerminal-for-Stderr" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.IsTerminal.html" title="trait anstream::stream::IsTerminal">IsTerminal</a> for <a class="struct" href="https://doc.rust-lang.org/1.84.1/std/io/stdio/struct.Stderr.html" title="struct std::io::stdio::Stderr">Stderr</a></h3></section></summary><div class="impl-items"><section id="method.is_terminal-2" class="method trait-impl"><a class="src rightside" href="../../src/anstream/stream.rs.html#79-81">Source</a><a href="#method.is_terminal-2" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.is_terminal" class="fn">is_terminal</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-IsTerminal-for-StderrLock%3C'_%3E" class="impl"><a class="src rightside" href="../../src/anstream/stream.rs.html#84-89">Source</a><a href="#impl-IsTerminal-for-StderrLock%3C'_%3E" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.IsTerminal.html" title="trait anstream::stream::IsTerminal">IsTerminal</a> for <a class="struct" href="https://doc.rust-lang.org/1.84.1/std/io/stdio/struct.StderrLock.html" title="struct std::io::stdio::StderrLock">StderrLock</a>&lt;'_&gt;</h3></section></summary><div class="impl-items"><section id="method.is_terminal-3" class="method trait-impl"><a class="src rightside" href="../../src/anstream/stream.rs.html#86-88">Source</a><a href="#method.is_terminal-3" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.is_terminal" class="fn">is_terminal</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-IsTerminal-for-Stdout" class="impl"><a class="src rightside" href="../../src/anstream/stream.rs.html#63-68">Source</a><a href="#impl-IsTerminal-for-Stdout" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.IsTerminal.html" title="trait anstream::stream::IsTerminal">IsTerminal</a> for <a class="struct" href="https://doc.rust-lang.org/1.84.1/std/io/stdio/struct.Stdout.html" title="struct std::io::stdio::Stdout">Stdout</a></h3></section></summary><div class="impl-items"><section id="method.is_terminal-4" class="method trait-impl"><a class="src rightside" href="../../src/anstream/stream.rs.html#65-67">Source</a><a href="#method.is_terminal-4" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.is_terminal" class="fn">is_terminal</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-IsTerminal-for-StdoutLock%3C'_%3E" class="impl"><a class="src rightside" href="../../src/anstream/stream.rs.html#70-75">Source</a><a href="#impl-IsTerminal-for-StdoutLock%3C'_%3E" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.IsTerminal.html" title="trait anstream::stream::IsTerminal">IsTerminal</a> for <a class="struct" href="https://doc.rust-lang.org/1.84.1/std/io/stdio/struct.StdoutLock.html" title="struct std::io::stdio::StdoutLock">StdoutLock</a>&lt;'_&gt;</h3></section></summary><div class="impl-items"><section id="method.is_terminal-5" class="method trait-impl"><a class="src rightside" href="../../src/anstream/stream.rs.html#72-74">Source</a><a href="#method.is_terminal-5" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.is_terminal" class="fn">is_terminal</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-IsTerminal-for-dyn+Write" class="impl"><a class="src rightside" href="../../src/anstream/stream.rs.html#91-96">Source</a><a href="#impl-IsTerminal-for-dyn+Write" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.IsTerminal.html" title="trait anstream::stream::IsTerminal">IsTerminal</a> for dyn <a class="trait" href="https://doc.rust-lang.org/1.84.1/std/io/trait.Write.html" title="trait std::io::Write">Write</a></h3></section></summary><div class="impl-items"><section id="method.is_terminal-6" class="method trait-impl"><a class="src rightside" href="../../src/anstream/stream.rs.html#93-95">Source</a><a href="#method.is_terminal-6" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.is_terminal" class="fn">is_terminal</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-IsTerminal-for-dyn+Write+%2B+Send" class="impl"><a class="src rightside" href="../../src/anstream/stream.rs.html#98-103">Source</a><a href="#impl-IsTerminal-for-dyn+Write+%2B+Send" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.IsTerminal.html" title="trait anstream::stream::IsTerminal">IsTerminal</a> for dyn <a class="trait" href="https://doc.rust-lang.org/1.84.1/std/io/trait.Write.html" title="trait std::io::Write">Write</a> + <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a></h3></section></summary><div class="impl-items"><section id="method.is_terminal-7" class="method trait-impl"><a class="src rightside" href="../../src/anstream/stream.rs.html#100-102">Source</a><a href="#method.is_terminal-7" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.is_terminal" class="fn">is_terminal</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-IsTerminal-for-dyn+Write+%2B+Send+%2B+Sync" class="impl"><a class="src rightside" href="../../src/anstream/stream.rs.html#105-110">Source</a><a href="#impl-IsTerminal-for-dyn+Write+%2B+Send+%2B+Sync" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.IsTerminal.html" title="trait anstream::stream::IsTerminal">IsTerminal</a> for dyn <a class="trait" href="https://doc.rust-lang.org/1.84.1/std/io/trait.Write.html" title="trait std::io::Write">Write</a> + <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.84.1/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a></h3></section></summary><div class="impl-items"><section id="method.is_terminal-8" class="method trait-impl"><a class="src rightside" href="../../src/anstream/stream.rs.html#107-109">Source</a><a href="#method.is_terminal-8" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.is_terminal" class="fn">is_terminal</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-IsTerminal-for-%26T" class="impl"><a class="src rightside" href="../../src/anstream/stream.rs.html#42-47">Source</a><a href="#impl-IsTerminal-for-%26T" class="anchor">§</a><h3 class="code-header">impl&lt;T: <a class="trait" href="trait.IsTerminal.html" title="trait anstream::stream::IsTerminal">IsTerminal</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>&gt; <a class="trait" href="trait.IsTerminal.html" title="trait anstream::stream::IsTerminal">IsTerminal</a> for <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.reference.html">&amp;T</a></h3></section></summary><div class="impl-items"><section id="method.is_terminal-9" class="method trait-impl"><a class="src rightside" href="../../src/anstream/stream.rs.html#44-46">Source</a><a href="#method.is_terminal-9" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.is_terminal" class="fn">is_terminal</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-IsTerminal-for-%26mut+T" class="impl"><a class="src rightside" href="../../src/anstream/stream.rs.html#49-54">Source</a><a href="#impl-IsTerminal-for-%26mut+T" class="anchor">§</a><h3 class="code-header">impl&lt;T: <a class="trait" href="trait.IsTerminal.html" title="trait anstream::stream::IsTerminal">IsTerminal</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>&gt; <a class="trait" href="trait.IsTerminal.html" title="trait anstream::stream::IsTerminal">IsTerminal</a> for <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.reference.html">&amp;mut T</a></h3></section></summary><div class="impl-items"><section id="method.is_terminal-10" class="method trait-impl"><a class="src rightside" href="../../src/anstream/stream.rs.html#51-53">Source</a><a href="#method.is_terminal-10" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.is_terminal" class="fn">is_terminal</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.bool.html">bool</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-IsTerminal-for-Box%3CT%3E" class="impl"><a class="src rightside" href="../../src/anstream/stream.rs.html#56-61">Source</a><a href="#impl-IsTerminal-for-Box%3CT%3E" class="anchor">§</a><h3 class="code-header">impl&lt;T: <a class="trait" href="trait.IsTerminal.html" title="trait anstream::stream::IsTerminal">IsTerminal</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>&gt; <a class="trait" href="trait.IsTerminal.html" title="trait anstream::stream::IsTerminal">IsTerminal</a> for <a class="struct" href="https://doc.rust-lang.org/1.84.1/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;T&gt;</h3></section></summary><div class="impl-items"><section id="method.is_terminal-11" class="method trait-impl"><a class="src rightside" href="../../src/anstream/stream.rs.html#58-60">Source</a><a href="#method.is_terminal-11" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.is_terminal" class="fn">is_terminal</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.bool.html">bool</a></h4></section></div></details><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"></div><script src="../../trait.impl/anstream/stream/trait.IsTerminal.js" data-ignore-extern-crates="alloc,std" async></script></section></div></main></body></html>