<!DOCTYPE html><htmllang="en"><head><metacharset="utf-8"><metaname="viewport"content="width=device-width, initial-scale=1.0"><metaname="generator"content="rustdoc"><metaname="description"content="API documentation for the Rust `Fields` enum in crate `syn`."><metaname="keywords"content="rust, rustlang, rust-lang, Fields"><title>syn::Fields - Rust</title><linkrel="stylesheet"type="text/css"href="../normalize.css"><linkrel="stylesheet"type="text/css"href="../rustdoc.css"id="mainThemeStyle"><linkrel="stylesheet"type="text/css"href="../dark.css"><linkrel="stylesheet"type="text/css"href="../light.css"id="themeStyle"><scriptsrc="../storage.js"></script><noscript><linkrel="stylesheet"href="../noscript.css"></noscript><linkrel="shortcut icon"href="../favicon.ico"><styletype="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></head><bodyclass="rustdoc enum"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><navclass="sidebar"><divclass="sidebar-menu">☰</div><ahref='../syn/index.html'><divclass='logo-container'><imgsrc='../rust-logo.png'alt='logo'></div></a><pclass='location'>Enum Fields</p><divclass="sidebar-elems"><divclass="block items"><aclass="sidebar-title"href="#variants">Variants</a><divclass="sidebar-links"><ahref="#variant.Named">Named</a><ahref="#variant.Unnamed">Unnamed</a><ahref="#variant.Unit">Unit</a></div><aclass="sidebar-title"href="#methods">Methods</a><divclass="sidebar-links"><ahref="#method.iter">iter</a><ahref="#method.iter_mut">iter_mut</a></div><aclass="sidebar-title"href="#implementations">Trait Implementations</a><divclass="sidebar-links"><ahref="#impl-Clone">Clone</a><ahref="#impl-From%3CFieldsNamed%3E">From<FieldsNamed></a><ahref="#impl-From%3CFieldsUnnamed%3E">From<FieldsUnnamed></a><ahref="#impl-IntoIterator">IntoIterator</a><ahref="#impl-ToTokens">ToTokens</a></div><aclass="sidebar-title"href="#synthetic-implementations">Auto Trait Implementations</a><divclass="sidebar-links"><ahref="#impl-RefUnwindSafe">!RefUnwindSafe</a><ahref="#impl-Send">!Send</a><ahref="#impl-Sync">!Sync</a><ahref="#impl-Unpin">Unpin</a><ahref="#impl-UnwindSafe">UnwindSafe</a></div><aclass="sidebar-title"href="#blanket-implementations">Blanket Implementations</a><divclass="sidebar-links"><ahref="#impl-Any">Any</a><ahref="#impl-Borrow%3CT%3E">Borrow<T></a><ahref="#impl-BorrowMut%3CT%3E">BorrowMut<T></a><ahref="#impl-From%3CT%3E">From<T></a><ahref="#impl-Into%3CU%3E">Into<U></a><ahref="#impl-IntoIterator">IntoIterator</a><ahref="#impl-Spanned">Spanned</a><ahref="#impl-ToOwned">ToOwned</a><ahref="#impl-TryFrom%3CU%3E">TryFrom<U></a><ahref="#impl-TryInto%3CU%3E">TryInto<U></a></div></div><pclass='location'><ahref='index.html'>syn</a></p><script>window.sidebarCurrent={name:'Fields',ty:'enum',relpath:''};</script><scriptdefersrc="sidebar-items.js"></script></div></nav><divclass="theme-picker"><buttonid="theme-picker"aria-label="Pick another theme!"><imgsrc="../brush.svg"width="18"alt="Pick another theme!"></button><divid="theme-choices"></div></div><scriptsrc="../theme.js"></script><navclass="sub"><formclass="search-form js-only"><divclass="search-container"><div><selectid="crate-search"><optionvalue="All crates">All crates</option></select><inputclass="search-input"name="search"autocomplete="off"spellcheck="false"placeholder="Click or press ‘S’ to search, ‘?’ for more options…"type="search"></div><aid="settings-menu"href="../settings.html"><imgsrc="../wheel.svg"width="18"alt="Change settings"></a></div></form></nav><sectionid="main"class="content"><h1class='fqn'><spanclass='out-of-band'><spanid='render-detail'><aid="toggle-all-docs"href="javascript:void(0)"title="collapse all docs">[<spanclass='inner'>−</span>]</a></span><aclass='srclink'href='../src/syn/data.rs.html#38-48'title='goto source code'>[src]</a></span><spanclass='in-band'>
<spanid="variant.Named"class="variant small-section-header"><ahref="#variant.Named"class="anchor field"></a><codeid='Named.v'>Named(<aclass="struct"href="../syn/struct.FieldsNamed.html"title="struct syn::FieldsNamed">FieldsNamed</a>)</code></span><divclass='docblock'><p>Named fields of a struct or struct variant such as <code>Point { x: f64, y: f64 }</code>.</p>
</div><spanid="variant.Unnamed"class="variant small-section-header"><ahref="#variant.Unnamed"class="anchor field"></a><codeid='Unnamed.v'>Unnamed(<aclass="struct"href="../syn/struct.FieldsUnnamed.html"title="struct syn::FieldsUnnamed">FieldsUnnamed</a>)</code></span><divclass='docblock'><p>Unnamed fields of a tuple struct or tuple variant such as <code>Some(T)</code>.</p>
</div><spanid="variant.Unit"class="variant small-section-header"><ahref="#variant.Unit"class="anchor field"></a><codeid='Unit.v'>Unit</code></span><divclass='docblock'><p>Unit struct or unit variant such as <code>None</code>.</p>
</div><h2id='methods'class='small-section-header'>Methods<ahref='#methods'class='anchor'></a></h2><h3id='impl'class='impl'><codeclass='in-band'>impl <aclass="enum"href="../syn/enum.Fields.html"title="enum syn::Fields">Fields</a></code><ahref='#impl'class='anchor'></a><aclass='srclink'href='../src/syn/data.rs.html#74-96'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.iter'class="method"><divclass="important-traits"><divclass='tooltip'>ⓘ<spanclass='tooltiptext'>Important traits for <aclass="struct"href="../syn/punctuated/struct.Iter.html"title="struct syn::punctuated::Iter">Iter</a><'a, T></span></div><divclass="content hidden"><h3class="important">Important traits for <aclass="struct"href="../syn/punctuated/struct.Iter.html"title="struct syn::punctuated::Iter">Iter</a><'a, T></h3><codeclass="content"><spanclass="where fmt-newline">impl<'a, T><aclass="trait"href="https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html"title="trait core::iter::traits::iterator::Iterator">Iterator</a> for <aclass="struct"href="../syn/punctuated/struct.Iter.html"title="struct syn::punctuated::Iter">Iter</a><'a, T></span><spanclass="where fmt-newline"> type <ahref='https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item'class="type">Item</a> = <aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a </a>T;</span></code></div></div><codeid='iter.v'>pub fn <ahref='#method.iter'class='fnname'>iter</a>(&self) -><aclass="struct"href="../syn/punctuated/struct.Iter.html"title="struct syn::punctuated::Iter">Iter</a><<aclass="struct"href="../syn/struct.Field.html"title="struct syn::Field">Field</a>></code><aclass='srclink'href='../src/syn/data.rs.html#78-84'title='goto source code'>[src]</a></h4><divclass='docblock'><p>Get an iterator over the borrowed <ahref="../syn/struct.Field.html"title="`Field`"><code>Field</code></a> items in this object. This
iterator can be used to iterate over a named or unnamed struct or
variant's fields uniformly.</p>
</div><h4id='method.iter_mut'class="method"><divclass="important-traits"><divclass='tooltip'>ⓘ<spanclass='tooltiptext'>Important traits for <aclass="struct"href="../syn/punctuated/struct.IterMut.html"title="struct syn::punctuated::IterMut">IterMut</a><'a, T></span></div><divclass="content hidden"><h3class="important">Important traits for <aclass="struct"href="../syn/punctuated/struct.IterMut.html"title="struct syn::punctuated::IterMut">IterMut</a><'a, T></h3><codeclass="content"><spanclass="where fmt-newline">impl<'a, T><aclass="trait"href="https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html"title="trait core::iter::traits::iterator::Iterator">Iterator</a> for <aclass="struct"href="../syn/punctuated/struct.IterMut.html"title="struct syn::punctuated::IterMut">IterMut</a><'a, T></span><spanclass="where fmt-newline"> type <ahref='https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item'class="type">Item</a> = <aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>T;</span></code></div></div><codeid='iter_mut.v'>pub fn <ahref='#method.iter_mut'class='fnname'>iter_mut</a>(&mut self) -><aclass="struct"href="../syn/punctuated/struct.IterMut.html"title="struct syn::punctuated::IterMut">IterMut</a><<aclass="struct"href="../syn/struct.Field.html"title="struct syn::Field">Field</a>></code><aclass='srclink'href='../src/syn/data.rs.html#89-95'title='goto source code'>[src]</a></h4><divclass='docblock'><p>Get an iterator over the mutably borrowed <ahref="../syn/struct.Field.html"title="`Field`"><code>Field</code></a> items in this
object. This iterator can be used to iterate over a named or unnamed
struct or variant's fields uniformly.</p>
</div></div><h2id='implementations'class='small-section-header'>Trait Implementations<ahref='#implementations'class='anchor'></a></h2><divid='implementations-list'><h3id='impl-Clone'class='impl'><codeclass='in-band'>impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html"title="trait core::clone::Clone">Clone</a> for <aclass="enum"href="../syn/enum.Fields.html"title="enum syn::Fields">Fields</a></code><ahref='#impl-Clone'class='anchor'></a><aclass='srclink'href='../src/syn/macros.rs.html#80'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.clone'class="method hidden"><codeid='clone.v'>fn <ahref='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone'class='fnname'>clone</a>(&self) -><aclass="enum"href="../syn/enum.Fields.html"title="enum syn::Fields">Fields</a></code><aclass='srclink'href='../src/syn/macros.rs.html#80'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Returns a copy of the value. <ahref="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone">Read more</a></p>
</div><h4id='method.clone_from'class="method hidden"><codeid='clone_from.v'>fn <ahref='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from'class='fnname'>clone_from</a>(&mut self, source: <aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Self)</code><spanclass='since'title='Stable since Rust version 1.0.0'>1.0.0</span><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/clone.rs.html#131-133'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Performs copy-assignment from <code>source</code>. <ahref="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from">Read more</a></p>
</div></div><h3id='impl-IntoIterator'class='impl'><codeclass='in-band'>impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html"title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a> for <aclass="enum"href="../syn/enum.Fields.html"title="enum syn::Fields">Fields</a></code><ahref='#impl-IntoIterator'class='anchor'></a><aclass='srclink'href='../src/syn/data.rs.html#98-109'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='associatedtype.Item'class="type"><codeid='Item.t'>type <ahref='https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item'class="type">Item</a> = <aclass="struct"href="../syn/struct.Field.html"title="struct syn::Field">Field</a></code></h4><divclass='docblock'><p>The type of the elements being iterated over.</p>
</div><h4id='associatedtype.IntoIter'class="type"><codeid='IntoIter.t'>type <ahref='https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.IntoIter'class="type">IntoIter</a> = <aclass="struct"href="../syn/punctuated/struct.IntoIter.html"title="struct syn::punctuated::IntoIter">IntoIter</a><<aclass="struct"href="../syn/struct.Field.html"title="struct syn::Field">Field</a>></code></h4><divclass='docblock'><p>Which kind of iterator are we turning this into?</p>
</div><h4id='method.into_iter'class="method hidden"><codeid='into_iter.v'>fn <ahref='https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#tymethod.into_iter'class='fnname'>into_iter</a>(self) -> Self::<aclass="type"href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.IntoIter"title="type core::iter::traits::collect::IntoIterator::IntoIter">IntoIter</a></code><aclass='srclink'href='../src/syn/data.rs.html#102-108'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Creates an iterator from a value. <ahref="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#tymethod.into_iter">Read more</a></p>
</div></div><h3id='impl-IntoIterator-1'class='impl'><codeclass='in-band'>impl<'a><aclass="trait"href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html"title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a> for &'a <aclass="enum"href="../syn/enum.Fields.html"title="enum syn::Fields">Fields</a></code><ahref='#impl-IntoIterator-1'class='anchor'></a><aclass='srclink'href='../src/syn/data.rs.html#111-118'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='associatedtype.Item-1'class="type"><codeid='Item.t-1'>type <ahref='https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item'class="type">Item</a> = &'a <aclass="struct"href="../syn/struct.Field.html"title="struct syn::Field">Field</a></code></h4><divclass='docblock'><p>The type of the elements being iterated over.</p>
</div><h4id='associatedtype.IntoIter-1'class="type"><codeid='IntoIter.t-1'>type <ahref='https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.IntoIter'class="type">IntoIter</a> = <aclass="struct"href="../syn/punctuated/struct.Iter.html"title="struct syn::punctuated::Iter">Iter</a><'a, <aclass="struct"href="../syn/struct.Field.html"title="struct syn::Field">Field</a>></code></h4><divclass='docblock'><p>Which kind of iterator are we turning this into?</p>
</div><h4id='method.into_iter-1'class="method hidden"><codeid='into_iter.v-1'>fn <ahref='https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#tymethod.into_iter'class='fnname'>into_iter</a>(self) -> Self::<aclass="type"href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.IntoIter"title="type core::iter::traits::collect::IntoIterator::IntoIter">IntoIter</a></code><aclass='srclink'href='../src/syn/data.rs.html#115-117'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Creates an iterator from a value. <ahref="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#tymethod.into_iter">Read more</a></p>
</div></div><h3id='impl-IntoIterator-2'class='impl'><codeclass='in-band'>impl<'a><aclass="trait"href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html"title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a> for &'a mut <aclass="enum"href="../syn/enum.Fields.html"title="enum syn::Fields">Fields</a></code><ahref='#impl-IntoIterator-2'class='anchor'></a><aclass='srclink'href='../src/syn/data.rs.html#120-127'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='associatedtype.Item-2'class="type"><codeid='Item.t-2'>type <ahref='https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item'class="type">Item</a> = &'a mut <aclass="struct"href="../syn/struct.Field.html"title="struct syn::Field">Field</a></code></h4><divclass='docblock'><p>The type of the elements being iterated over.</p>
</div><h4id='associatedtype.IntoIter-2'class="type"><codeid='IntoIter.t-2'>type <ahref='https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.IntoIter'class="type">IntoIter</a> = <aclass="struct"href="../syn/punctuated/struct.IterMut.html"title="struct syn::punctuated::IterMut">IterMut</a><'a, <aclass="struct"href="../syn/struct.Field.html"title="struct syn::Field">Field</a>></code></h4><divclass='docblock'><p>Which kind of iterator are we turning this into?</p>
</div><h4id='method.into_iter-2'class="method hidden"><codeid='into_iter.v-2'>fn <ahref='https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#tymethod.into_iter'class='fnname'>into_iter</a>(self) -> Self::<aclass="type"href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.IntoIter"title="type core::iter::traits::collect::IntoIterator::IntoIter">IntoIter</a></code><aclass='srclink'href='../src/syn/data.rs.html#124-126'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Creates an iterator from a value. <ahref="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#tymethod.into_iter">Read more</a></p>
</div></div><h3id='impl-From%3CFieldsNamed%3E'class='impl'><codeclass='in-band'>impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html"title="trait core::convert::From">From</a><<aclass="struct"href="../syn/struct.FieldsNamed.html"title="struct syn::FieldsNamed">FieldsNamed</a>> for <aclass="enum"href="../syn/enum.Fields.html"title="enum syn::Fields">Fields</a></code><ahref='#impl-From%3CFieldsNamed%3E'class='anchor'></a><aclass='srclink'href='../src/syn/macros.rs.html#125-129'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.from'class="method hidden"><codeid='from.v'>fn <ahref='https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from'class='fnname'>from</a>(e: <aclass="struct"href="../syn/struct.FieldsNamed.html"title="struct syn::FieldsNamed">FieldsNamed</a>) -><aclass="enum"href="../syn/enum.Fields.html"title="enum syn::Fields">Fields</a></code><aclass='srclink'href='../src/syn/macros.rs.html#126-128'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3id='impl-From%3CFieldsUnnamed%3E'class='impl'><codeclass='in-band'>impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html"title="trait core::convert::From">From</a><<aclass="struct"href="../syn/struct.FieldsUnnamed.html"title="struct syn::FieldsUnnamed">FieldsUnnamed</a>> for <aclass="enum"href="../syn/enum.Fields.html"title="enum syn::Fields">Fields</a></code><ahref='#impl-From%3CFieldsUnnamed%3E'class='anchor'></a><aclass='srclink'href='../src/syn/macros.rs.html#125-129'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.from-1'class="method hidden"><codeid='from.v-1'>fn <ahref='https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from'class='fnname'>from</a>(e: <aclass="struct"href="../syn/struct.FieldsUnnamed.html"title="struct syn::FieldsUnnamed">FieldsUnnamed</a>) -><aclass="enum"href="../syn/enum.Fields.html"title="enum syn::Fields">Fields</a></code><aclass='srclink'href='../src/syn/macros.rs.html#126-128'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3id='impl-ToTokens'class='impl'><codeclass='in-band'>impl <aclass="trait"href="../quote/to_tokens/trait.ToTokens.html"title="trait quote::to_tokens::ToTokens">ToTokens</a> for <aclass="enum"href="../syn/enum.Fields.html"title="enum syn::Fields">Fields</a></code><ahref='#impl-ToTokens'class='anchor'></a><aclass='srclink'href='../src/syn/macros.rs.html#162-168'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.to_tokens'class="method hidden"><codeid='to_tokens.v'>fn <ahref='../quote/to_tokens/trait.ToTokens.html#tymethod.to_tokens'class='fnname'>to_tokens</a>(&self, tokens: &mut <aclass="struct"href="../proc_macro2/struct.TokenStream.html"title="struct proc_macro2::TokenStream">TokenStream</a>)</code><aclass='srclink'href='../src/syn/macros.rs.html#163-167'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Write <code>self</code> to the given <code>TokenStream</code>. <ahref="../quote/to_tokens/trait.ToTokens.html#tymethod.to_tokens">Read more</a></p>
</div><h4id='method.to_token_stream'class="method hidden"><codeid='to_token_stream.v'>fn <ahref='../quote/to_tokens/trait.ToTokens.html#method.to_token_stream'class='fnname'>to_token_stream</a>(&self) -><aclass="struct"href="../proc_macro2/struct.TokenStream.html"title="struct proc_macro2::TokenStream">TokenStream</a></code><aclass='srclink'href='../src/quote/to_tokens.rs.html#61-65'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Convert <code>self</code> directly into a <code>TokenStream</code> object. <ahref="../quote/to_tokens/trait.ToTokens.html#method.to_token_stream">Read more</a></p>
</div><h4id='method.into_token_stream'class="method hidden"><codeid='into_token_stream.v'>fn <ahref='../quote/to_tokens/trait.ToTokens.html#method.into_token_stream'class='fnname'>into_token_stream</a>(self) -><aclass="struct"href="../proc_macro2/struct.TokenStream.html"title="struct proc_macro2::TokenStream">TokenStream</a></code><aclass='srclink'href='../src/quote/to_tokens.rs.html#71-76'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Convert <code>self</code> directly into a <code>TokenStream</code> object. <ahref="../quote/to_tokens/trait.ToTokens.html#method.into_token_stream">Read more</a></p>
</div></div></div><h2id='synthetic-implementations'class='small-section-header'>Auto Trait Implementations<ahref='#synthetic-implementations'class='anchor'></a></h2><divid='synthetic-implementations-list'><h3id='impl-Sync'class='impl'><codeclass='in-band'>impl !<aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html"title="trait core::marker::Sync">Sync</a> for <aclass="enum"href="../syn/enum.Fields.html"title="enum syn::Fields">Fields</a></code><ahref='#impl-Sync'class='anchor'></a></h3><divclass='impl-items'></div><h3id='impl-Send'class='impl'><codeclass='in-band'>impl !<aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html"title="trait core::marker::Send">Send</a> for <aclass="enum"href="../syn/enum.Fields.html"title="enum syn::Fields">Fields</a></code><ahref='#impl-Send'class='anchor'></a></h3><divclass='impl-items'></div><h3id='impl-Unpin'class='impl'><codeclass='in-band'>impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html"title="trait core::marker::Unpin">Unpin</a> for <aclass="enum"href="../syn/enum.Fields.html"title="enum syn::Fields">Fields</a></code><ahref='#impl-Unpin'class='anchor'></a></h3><divclass='impl-items'></div><h3id='impl-RefUnwindSafe'class='impl'><codeclass='in-band'>impl !<aclass="trait"href="https://doc.rust-lang.org/nightly/std/panic/trait.RefUnwindSafe.html"title="trait std::panic::RefUnwindSafe">RefUnwindSafe</a> for <aclass="enum"href="../syn/enum.Fields.html"title="enum syn::Fields">Fields</a></code><ahref='#impl-RefUnwindSafe'class='anchor'></a></h3><divclass='impl-items'></div><h3id='impl-UnwindSafe'class='impl'><codeclass='in-band'>impl <aclass="trait"href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html"title="trait std::panic::UnwindSafe">UnwindSafe</a> for <aclass="enum"href="../syn/enum.Fields.html"title="enum syn::Fields">Fields</a></code><ahref='#impl-UnwindSafe'class='anchor'></a></h3><divclass='impl-items'></div></div><h2id='blanket-implementations'class='small-section-header'>Blanket Implementations<ahref='#blanket-implementations'class='anchor'></a></h2><divid='blanket-implementations-list'><h3id='impl-Spanned'class='impl'><codeclass='in-band'>impl<T><aclass="trait"href="../syn/spanned/trait.Spanned.html"title="trait syn::spanned::Spanned">Spanned</a> for T <spanclass="where fmt-newline">where<br> T: Spanned + ?<aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>, </span></code><ahref='#impl-Spanned'class='anchor'></a><aclass='srclink'href='../src/syn/spanned.rs.html#110-114'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.span'class="method hidden"><codeid='span.v'>fn <ahref='../syn/spanned/trait.Spanned.html#tymethod.span'class='fnname'>span</a>(<aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Self) -><aclass="struct"href="../proc_macro2/struct.Span.html"title="struct proc_macro2::Span">Span</a></code><aclass='srclink'href='../src/syn/spanned.rs.html#111-113'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Returns a <code>Span</code> covering the complete contents of this syntax tree node, or [<code>Span::call_site()</code>] if this node is empty. <ahref="../syn/spanned/trait.Spanned.html#tymethod.span">Read more</a></p>
</div></div><h3id='impl-Into%3CU%3E'class='impl'><codeclass='in-band'>impl<T, U><aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html"title="trait core::convert::Into">Into</a><U> for T <spanclass="where fmt-newline">where<br> U: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html"title="trait core::convert::From">From</a><T>, </span></code><ahref='#impl-Into%3CU%3E'class='anchor'></a><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#543-548'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.into'class="method hidden"><codeid='into.v'>fn <ahref='https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into'class='fnname'>into</a>(self) -> U</code><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#545-547'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3id='impl-IntoIterator-3'class='impl'><codeclass='in-band'>impl<I><aclass="trait"href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html"title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a> for I <spanclass="where fmt-newline">where<br> I: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html"title="trait core::iter::traits::iterator::Iterator">Iterator</a>, </span></code><ahref='#impl-IntoIterator-3'class='anchor'></a><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/iter/traits/collect.rs.html#242-249'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='associatedtype.Item-3'class="type"><codeid='Item.t-3'>type <ahref='https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item'class="type">Item</a> = <I as <aclass="trait"href="https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html"title="trait core::iter::traits::iterator::Iterator">Iterator</a>>::<aclass="type"href="https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item"title="type core::iter::traits::iterator::Iterator::Item">Item</a></code></h4><divclass='docblock'><p>The type of the elements being iterated over.</p>
</div><h4id='associatedtype.IntoIter-3'class="type"><codeid='IntoIter.t-3'>type <ahref='https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.IntoIter'class="type">IntoIter</a> = I</code></h4><divclass='docblock'><p>Which kind of iterator are we turning this into?</p>
</div><h4id='method.into_iter-3'class="method hidden"><codeid='into_iter.v-3'>fn <ahref='https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#tymethod.into_iter'class='fnname'>into_iter</a>(self) -> I</code><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/iter/traits/collect.rs.html#246-248'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Creates an iterator from a value. <ahref="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#tymethod.into_iter">Read more</a></p>
</div></div><h3id='impl-ToOwned'class='impl'><codeclass='in-band'>impl<T><aclass="trait"href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html"title="trait alloc::borrow::ToOwned">ToOwned</a> for T <spanclass="where fmt-newline">where<br> T: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html"title="trait core::clone::Clone">Clone</a>, </span></code><ahref='#impl-ToOwned'class='anchor'></a><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#81-92'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='associatedtype.Owned'class="type"><codeid='Owned.t'>type <ahref='https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#associatedtype.Owned'class="type">Owned</a> = T</code></h4><divclass='docblock'><p>The resulting type after obtaining ownership.</p>
</div><h4id='method.to_owned'class="method hidden"><codeid='to_owned.v'>fn <ahref='https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned'class='fnname'>to_owned</a>(&self) -> T</code><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#85-87'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Creates owned data from borrowed data, usually by cloning. <ahref="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></p>
</div><h4id='method.clone_into'class="method hidden"><codeid='clone_into.v'>fn <ahref='https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#method.clone_into'class='fnname'>clone_into</a>(&self, target: <aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T)</code><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#89-91'title='goto source code'>[src]</a></h4><divclass='stability hidden'><divclass='stab unstable'><details><summary><spanclass='emoji'>🔬</span> This is a nightly-only experimental API. (<code>toowned_clone_into</code>)</summary><p>recently added</p>
</details></div></div><divclass='docblock hidden'><p>Uses borrowed data to replace owned data, usually by cloning. <ahref="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#method.clone_into">Read more</a></p>
</div></div><h3id='impl-TryFrom%3CU%3E'class='impl'><codeclass='in-band'>impl<T, U><aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><U> for T <spanclass="where fmt-newline">where<br> U: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html"title="trait core::convert::Into">Into</a><T>, </span></code><ahref='#impl-TryFrom%3CU%3E'class='anchor'></a><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#571-577'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='associatedtype.Error'class="type"><codeid='Error.t'>type <ahref='https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error'class="type">Error</a> = <aclass="enum"href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html"title="enum core::convert::Infallible">Infallible</a></code></h4><divclass='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4id='method.try_from'class="method hidden"><codeid='try_from.v'>fn <ahref='https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from'class='fnname'>try_from</a>(value: U) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html"title="enum core::result::Result">Result</a><T, <T as <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><U>>::<aclass="type"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a>></code><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#574-576'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3id='impl-TryInto%3CU%3E'class='impl'><codeclass='in-band'>impl<T, U><aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html"title="trait core::convert::TryInto">TryInto</a><U> for T <spanclass="where fmt-newline">where<br> U: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>, </span></code><ahref='#impl-TryInto%3CU%3E'class='anchor'></a><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#559-566'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='associatedtype.Error-1'class="type"><codeid='Error.t-1'>type <ahref='https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error'class="type">Error</a> = <U as <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>>::<aclass="type"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a></code></h4><divclass='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4id='method.try_into'class="method hidden"><codeid='try_into.v'>fn <ahref='https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into'class='fnname'>try_into</a>(self) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html"title="enum core::result::Result">Result</a><U, <U as <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>>::<aclass="type"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a>></code><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#563-565'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3id='impl-BorrowMut%3CT%3E'class='impl'><codeclass='in-band'>impl<T><aclass="trait"href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html"title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T <spanclass="where fmt-newline">where<br> T: ?<aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>, </span></code><ahref='#impl-BorrowMut%3CT%3E'class='anchor'></a><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#218-220'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.borrow_mut'class="method hidden"><codeid='borrow_mut.v'>fn <ahref='https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut'class='fnname'>borrow_mut</a>(&mut self) -><aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T</code><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#219'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Mutably borrows from an owned value. <ahref="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
</div></div><h3id='impl-Borrow%3CT%3E'class='impl'><codeclass='in-band'>impl<T><aclass="trait"href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html"title="trait core::borrow::Borrow">Borrow</a><T> for T <spanclass="where fmt-newline">where<br> T: ?<aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>, </span></code><ahref='#impl-Borrow%3CT%3E'class='anchor'></a><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#213-215'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.borrow'class="method hidden"><codeid='borrow.v'>fn <ahref='https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow'class='fnname'>borrow</a>(&self) -><aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>T</code><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#214'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Immutably borrows from an owned value. <ahref="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
</div></div><h3id='impl-Any'class='impl'><codeclass='in-band'>impl<T><aclass="trait"href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html"title="trait core::any::Any">Any</a> for T <spanclass="where fmt-newline">where<br> T: 'static + ?<aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>, </span></code><ahref='#impl-Any'class='anchor'></a><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/any.rs.html#100-102'title='goto source code'>[src]</a></h3><divclass='impl-items'><h4id='method.type_id'class="method hidden"><codeid='type_id.v'>fn <ahref='https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id'class='fnname'>type_id</a>(&self) -><aclass="struct"href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html"title="struct core::any::TypeId">TypeId</a></code><aclass='srclink'href='https://doc.rust-lang.org/nightly/src/core/any.rs.html#101'title='goto source code'>[src]</a></h4><divclass='docblock hidden'><p>Gets the <code>TypeId</code> of <code>self</code>. <ahref="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
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