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<meta name="description" content="API documentation for the Rust `Group` struct in crate `proc_macro2`.">
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<div class="sidebar-menu">☰</div>
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<p class='location'>Struct Group</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#methods">Methods</a><div class="sidebar-links"><a href="#method.new">new</a><a href="#method.delimiter">delimiter</a><a href="#method.stream">stream</a><a href="#method.span">span</a><a href="#method.set_span">set_span</a></div><a class="sidebar-title" href="#implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-From%3CGroup%3E">From<Group></a><a href="#impl-Clone">Clone</a><a href="#impl-Display">Display</a><a href="#impl-Debug">Debug</a></div></div><p class='location'><a href='index.html'>proc_macro2</a></p><script>window.sidebarCurrent = {name: 'Group', ty: 'struct', relpath: ''};</script><script defer src="sidebar-items.js"></script></div>
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<h1 class='fqn'><span class='in-band'>Struct <a href='index.html'>proc_macro2</a>::<wbr><a class="struct" href=''>Group</a></span><span class='out-of-band'><span id='render-detail'>
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[<span class='inner'>−</span>]
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</span><a class='srclink' href='../src/proc_macro2/lib.rs.html#498-502' title='goto source code'>[src]</a></span></h1>
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<pre class='rust struct'>pub struct Group { /* fields omitted */ }</pre><div class='docblock'><p>A delimited token stream.</p>
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<p>A <code>Group</code> internally contains a <code>TokenStream</code> which is surrounded by
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<code>Delimiter</code>s.</p>
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</div>
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<h2 id='methods' class='small-section-header'>
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Methods<a href='#methods' class='anchor'></a>
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<h3 id='impl' class='impl'><span class='in-band'><code>impl <a class="struct" href="../proc_macro2/struct.Group.html" title="struct proc_macro2::Group">Group</a></code><a href='#impl' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/proc_macro2/lib.rs.html#523-565' title='goto source code'>[src]</a></span></h3>
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<div class='impl-items'><h4 id='method.new' class="method"><span id='new.v' class='invisible'><code>pub fn <a href='#method.new' class='fnname'>new</a>(delimiter: <a class="enum" href="../proc_macro2/enum.Delimiter.html" title="enum proc_macro2::Delimiter">Delimiter</a>, stream: <a class="struct" href="../proc_macro2/struct.TokenStream.html" title="struct proc_macro2::TokenStream">TokenStream</a>) -> <a class="struct" href="../proc_macro2/struct.Group.html" title="struct proc_macro2::Group">Group</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/proc_macro2/lib.rs.html#529-535' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Creates a new <code>Group</code> with the given delimiter and token stream.</p>
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<p>This constructor will set the span for this group to
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<code>Span::call_site()</code>. To change the span you can use the <code>set_span</code>
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method below.</p>
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</div><h4 id='method.delimiter' class="method"><span id='delimiter.v' class='invisible'><code>pub fn <a href='#method.delimiter' class='fnname'>delimiter</a>(&self) -> <a class="enum" href="../proc_macro2/enum.Delimiter.html" title="enum proc_macro2::Delimiter">Delimiter</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/proc_macro2/lib.rs.html#538-540' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Returns the delimiter of this <code>Group</code></p>
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</div><h4 id='method.stream' class="method"><span id='stream.v' class='invisible'><code>pub fn <a href='#method.stream' class='fnname'>stream</a>(&self) -> <a class="struct" href="../proc_macro2/struct.TokenStream.html" title="struct proc_macro2::TokenStream">TokenStream</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/proc_macro2/lib.rs.html#546-548' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Returns the <code>TokenStream</code> of tokens that are delimited in this <code>Group</code>.</p>
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<p>Note that the returned token stream does not include the delimiter
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returned above.</p>
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</div><h4 id='method.span' class="method"><span id='span.v' class='invisible'><code>pub fn <a href='#method.span' class='fnname'>span</a>(&self) -> <a class="struct" href="../proc_macro2/struct.Span.html" title="struct proc_macro2::Span">Span</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/proc_macro2/lib.rs.html#552-554' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Returns the span for the delimiters of this token stream, spanning the
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entire <code>Group</code>.</p>
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</div><h4 id='method.set_span' class="method"><span id='set_span.v' class='invisible'><code>pub fn <a href='#method.set_span' class='fnname'>set_span</a>(&mut self, span: <a class="struct" href="../proc_macro2/struct.Span.html" title="struct proc_macro2::Span">Span</a>)</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/proc_macro2/lib.rs.html#562-564' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Configures the span for this <code>Group</code>'s delimiters, but not its internal
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tokens.</p>
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<p>This method will <strong>not</strong> set the span of all the internal tokens spanned
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by this group, but rather it will only set the span of the delimiter
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tokens at the level of the <code>Group</code>.</p>
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</div></div>
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<h2 id='implementations' class='small-section-header'>
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Trait Implementations<a href='#implementations' class='anchor'></a>
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</h2>
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<h3 id='impl-From%3CGroup%3E' class='impl'><span class='in-band'><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><<a class="struct" href="../proc_macro2/struct.Group.html" title="struct proc_macro2::Group">Group</a>> for <a class="enum" href="../proc_macro2/enum.TokenTree.html" title="enum proc_macro2::TokenTree">TokenTree</a></code><a href='#impl-From%3CGroup%3E' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/proc_macro2/lib.rs.html#434-438' title='goto source code'>[src]</a></span></h3>
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<div class='impl-items'><h4 id='method.from' class="method"><span id='from.v' class='invisible'><code>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from' class='fnname'>from</a>(g: <a class="struct" href="../proc_macro2/struct.Group.html" title="struct proc_macro2::Group">Group</a>) -> <a class="enum" href="../proc_macro2/enum.TokenTree.html" title="enum proc_macro2::TokenTree">TokenTree</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/proc_macro2/lib.rs.html#435-437' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Performs the conversion.</p>
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</div></div><h3 id='impl-Clone' class='impl'><span class='in-band'><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="struct" href="../proc_macro2/struct.Group.html" title="struct proc_macro2::Group">Group</a></code><a href='#impl-Clone' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/proc_macro2/lib.rs.html#497' title='goto source code'>[src]</a></span></h3>
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<div class='impl-items'><h4 id='method.clone' class="method"><span id='clone.v' class='invisible'><code>fn <a href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone' class='fnname'>clone</a>(&self) -> <a class="struct" href="../proc_macro2/struct.Group.html" title="struct proc_macro2::Group">Group</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/proc_macro2/lib.rs.html#497' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Returns a copy of the value. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone">Read more</a></p>
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</div><h4 id='method.clone_from' class="method"><span id='clone_from.v' class='invisible'><code>fn <a href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from' class='fnname'>clone_from</a>(&mut self, source: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Self)</code></span><span class='out-of-band'><div class='ghost'></div><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/clone.rs.html#112-114' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from">Read more</a></p>
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</div></div><h3 id='impl-Display' class='impl'><span class='in-band'><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html" title="trait core::fmt::Display">Display</a> for <a class="struct" href="../proc_macro2/struct.Group.html" title="struct proc_macro2::Group">Group</a></code><a href='#impl-Display' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/proc_macro2/lib.rs.html#570-585' title='goto source code'>[src]</a></span></h3>
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<div class='docblock'><p>Prints the group as a string that should be losslessly convertible back
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into the same group (modulo spans), except for possibly <code>TokenTree::Group</code>s
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with <code>Delimiter::None</code> delimiters.</p>
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</div><div class='impl-items'><h4 id='method.fmt' class="method"><span id='fmt.v' class='invisible'><code>fn <a href='https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html#tymethod.fmt' class='fnname'>fmt</a>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>) -> <a class="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/proc_macro2/lib.rs.html#571-584' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html#tymethod.fmt">Read more</a></p>
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</div></div><h3 id='impl-Debug' class='impl'><span class='in-band'><code>impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="../proc_macro2/struct.Group.html" title="struct proc_macro2::Group">Group</a></code><a href='#impl-Debug' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/proc_macro2/lib.rs.html#587-596' title='goto source code'>[src]</a></span></h3>
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<div class='impl-items'><h4 id='method.fmt-1' class="method"><span id='fmt.v-1' class='invisible'><code>fn <a href='https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt' class='fnname'>fmt</a>(&self, fmt: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>) -> <a class="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/proc_macro2/lib.rs.html#588-595' title='goto source code'>[src]</a></span></h4>
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<div class='docblock'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
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