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</a><h2 class="location">Trait TokenStreamExt</h2><div class="sidebar-elems"><div class="block items"><h3 class="sidebar-title"><a href="#required-methods">Required Methods</a></h3><div class="sidebar-links"><a href="#tymethod.append">append</a><a href="#tymethod.append_all">append_all</a><a href="#tymethod.append_separated">append_separated</a><a href="#tymethod.append_terminated">append_terminated</a></div><h3 class="sidebar-title"><a href="#foreign-impls">Implementations on Foreign Types</a></h3><div class="sidebar-links"><a href="#impl-TokenStreamExt-for-TokenStream">TokenStream</a></div><h3 class="sidebar-title"><a href="#implementors">Implementors</a></h3></div><h2 class="location">Other items in<br><a href="index.html">quote</a></h2><div id="sidebar-vars" data-name="TokenStreamExt" data-ty="trait" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../quote/index.html"><img class="rust-logo" src="../rust-logo.png" alt="logo"></a><nav class="sub"><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="18" height="18" alt="Pick another theme!" src="../brush.svg"></button><div id="theme-choices" role="menu"></div></div><form class="search-form"><div class="search-container"><div>
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<h1 class="fqn"><span class="in-band">Trait <a href="index.html">quote</a>::<wbr><a class="trait" href="#">TokenStreamExt</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band">
<a class="srclink" href="../src/quote/ext.rs.html#10-59" title="goto source code">source</a> ·
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<div class="docblock item-decl"><pre class="rust trait"><code>pub trait TokenStreamExt: Sealed {
fn <a href="#tymethod.append" class="fnname">append</a>&lt;U&gt;(&amp;mut self, token: U)<br>&nbsp;&nbsp;&nbsp; <span class="where">where<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;<a class="enum" href="../proc_macro2/enum.TokenTree.html" title="enum proc_macro2::TokenTree">TokenTree</a>&gt;</span>;
<div class="item-spacer"></div> fn <a href="#tymethod.append_all" class="fnname">append_all</a>&lt;I&gt;(&amp;mut self, iter: I)<br>&nbsp;&nbsp;&nbsp; <span class="where">where<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;I: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;I::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item" title="type core::iter::traits::collect::IntoIterator::Item">Item</a>: <a class="trait" href="trait.ToTokens.html" title="trait quote::ToTokens">ToTokens</a></span>;
<div class="item-spacer"></div> fn <a href="#tymethod.append_separated" class="fnname">append_separated</a>&lt;I, U&gt;(&amp;mut self, iter: I, op: U)<br>&nbsp;&nbsp;&nbsp; <span class="where">where<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;I: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;I::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item" title="type core::iter::traits::collect::IntoIterator::Item">Item</a>: <a class="trait" href="trait.ToTokens.html" title="trait quote::ToTokens">ToTokens</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="trait.ToTokens.html" title="trait quote::ToTokens">ToTokens</a></span>;
<div class="item-spacer"></div> fn <a href="#tymethod.append_terminated" class="fnname">append_terminated</a>&lt;I, U&gt;(&amp;mut self, iter: I, term: U)<br>&nbsp;&nbsp;&nbsp; <span class="where">where<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;I: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;I::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item" title="type core::iter::traits::collect::IntoIterator::Item">Item</a>: <a class="trait" href="trait.ToTokens.html" title="trait quote::ToTokens">ToTokens</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="trait.ToTokens.html" title="trait quote::ToTokens">ToTokens</a></span>;
}</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>TokenStream extension trait with methods for appending tokens.</p>
<p>This trait is sealed and cannot be implemented outside of the <code>quote</code> crate.</p>
</div></details><h2 id="required-methods" class="small-section-header">Required methods<a href="#required-methods" class="anchor"></a></h2><div class="methods"><details class="rustdoc-toggle" open><summary><div id="tymethod.append" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/quote/ext.rs.html#14-16" title="goto source code">source</a></div><h4 class="code-header">fn <a href="#tymethod.append" class="fnname">append</a>&lt;U&gt;(&amp;mut self, token: U) <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;<a class="enum" href="../proc_macro2/enum.TokenTree.html" title="enum proc_macro2::TokenTree">TokenTree</a>&gt;,&nbsp;</span></h4></div></summary><div class="docblock"><p>For use by <code>ToTokens</code> implementations.</p>
<p>Appends the token specified to this list of tokens.</p>
</div></details><details class="rustdoc-toggle" open><summary><div id="tymethod.append_all" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/quote/ext.rs.html#35-38" title="goto source code">source</a></div><h4 class="code-header">fn <a href="#tymethod.append_all" class="fnname">append_all</a>&lt;I&gt;(&amp;mut self, iter: I) <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;I: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;I::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item" title="type core::iter::traits::collect::IntoIterator::Item">Item</a>: <a class="trait" href="trait.ToTokens.html" title="trait quote::ToTokens">ToTokens</a>,&nbsp;</span></h4></div></summary><div class="docblock"><p>For use by <code>ToTokens</code> implementations.</p>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">struct</span> <span class="ident">X</span>;
<span class="kw">impl</span> <span class="ident">ToTokens</span> <span class="kw">for</span> <span class="ident">X</span> {
<span class="kw">fn</span> <span class="ident">to_tokens</span>(<span class="kw-2">&amp;</span><span class="self">self</span>, <span class="ident">tokens</span>: <span class="kw-2">&amp;mut</span> <span class="ident">TokenStream</span>) {
<span class="ident">tokens</span>.<span class="ident">append_all</span>(<span class="kw-2">&amp;</span>[<span class="bool-val">true</span>, <span class="bool-val">false</span>]);
}
}
<span class="kw">let</span> <span class="ident">tokens</span> <span class="op">=</span> <span class="macro">quote!</span>(#<span class="ident">X</span>);
<span class="macro">assert_eq!</span>(<span class="ident">tokens</span>.<span class="ident">to_string</span>(), <span class="string">&quot;true false&quot;</span>);</code></pre></div>
</div></details><details class="rustdoc-toggle" open><summary><div id="tymethod.append_separated" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/quote/ext.rs.html#44-48" title="goto source code">source</a></div><h4 class="code-header">fn <a href="#tymethod.append_separated" class="fnname">append_separated</a>&lt;I, U&gt;(&amp;mut self, iter: I, op: U) <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;I: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;I::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item" title="type core::iter::traits::collect::IntoIterator::Item">Item</a>: <a class="trait" href="trait.ToTokens.html" title="trait quote::ToTokens">ToTokens</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="trait.ToTokens.html" title="trait quote::ToTokens">ToTokens</a>,&nbsp;</span></h4></div></summary><div class="docblock"><p>For use by <code>ToTokens</code> implementations.</p>
<p>Appends all of the items in the iterator <code>I</code>, separated by the tokens
<code>U</code>.</p>
</div></details><details class="rustdoc-toggle" open><summary><div id="tymethod.append_terminated" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/quote/ext.rs.html#54-58" title="goto source code">source</a></div><h4 class="code-header">fn <a href="#tymethod.append_terminated" class="fnname">append_terminated</a>&lt;I, U&gt;(&amp;mut self, iter: I, term: U) <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;I: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;I::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item" title="type core::iter::traits::collect::IntoIterator::Item">Item</a>: <a class="trait" href="trait.ToTokens.html" title="trait quote::ToTokens">ToTokens</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="trait.ToTokens.html" title="trait quote::ToTokens">ToTokens</a>,&nbsp;</span></h4></div></summary><div class="docblock"><p>For use by <code>ToTokens</code> implementations.</p>
<p>Appends all tokens in the iterator <code>I</code>, appending <code>U</code> after each
element, including after the last element of the iterator.</p>
</div></details></div><h2 id="foreign-impls" class="small-section-header">Implementations on Foreign Types<a href="#foreign-impls" class="anchor"></a></h2><details class="rustdoc-toggle implementors-toggle"><summary><div id="impl-TokenStreamExt-for-TokenStream" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../src/quote/ext.rs.html#61-104" title="goto source code">source</a></div><a href="#impl-TokenStreamExt-for-TokenStream" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="trait.TokenStreamExt.html" title="trait quote::TokenStreamExt">TokenStreamExt</a> for <a class="struct" href="../proc_macro2/struct.TokenStream.html" title="struct proc_macro2::TokenStream">TokenStream</a></h3></div></summary><div class="impl-items"><div id="method.append" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../src/quote/ext.rs.html#62-67" title="goto source code">source</a></div><a href="#method.append" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.append" class="fnname">append</a>&lt;U&gt;(&amp;mut self, token: U) <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;<a class="enum" href="../proc_macro2/enum.TokenTree.html" title="enum proc_macro2::TokenTree">TokenTree</a>&gt;,&nbsp;</span></h4></div><div id="method.append_all" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../src/quote/ext.rs.html#69-77" title="goto source code">source</a></div><a href="#method.append_all" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.append_all" class="fnname">append_all</a>&lt;I&gt;(&amp;mut self, iter: I) <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;I: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;I::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item" title="type core::iter::traits::collect::IntoIterator::Item">Item</a>: <a class="trait" href="trait.ToTokens.html" title="trait quote::ToTokens">ToTokens</a>,&nbsp;</span></h4></div><div id="method.append_separated" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../src/quote/ext.rs.html#79-91" title="goto source code">source</a></div><a href="#method.append_separated" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.append_separated" class="fnname">append_separated</a>&lt;I, U&gt;(&amp;mut self, iter: I, op: U) <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;I: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;I::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item" title="type core::iter::traits::collect::IntoIterator::Item">Item</a>: <a class="trait" href="trait.ToTokens.html" title="trait quote::ToTokens">ToTokens</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="trait.ToTokens.html" title="trait quote::ToTokens">ToTokens</a>,&nbsp;</span></h4></div><div id="method.append_terminated" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../src/quote/ext.rs.html#93-103" title="goto source code">source</a></div><a href="#method.append_terminated" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.append_terminated" class="fnname">append_terminated</a>&lt;I, U&gt;(&amp;mut self, iter: I, term: U) <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;I: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;I::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item" title="type core::iter::traits::collect::IntoIterator::Item">Item</a>: <a class="trait" href="trait.ToTokens.html" title="trait quote::ToTokens">ToTokens</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="trait.ToTokens.html" title="trait quote::ToTokens">ToTokens</a>,&nbsp;</span></h4></div></div></details><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div class="item-list" id="implementors-list"></div><script type="text/javascript" src="../implementors/quote/trait.TokenStreamExt.js" async></script></section><section id="search" class="content 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