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<h1 class='fqn'><span class='in-band'>Crate <a class="mod" href=''>syn</a></span><span class='out-of-band'><span id='render-detail'>
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               </span><a class='srclink' href='../src/syn/lib.rs.html#1-211' title='goto source code'>[src]</a></span></h1>
<h2 id='modules' class='section-header'><a href="#modules">Modules</a></h2>
<table>
                       <tr class=' module-item'>
                           <td><a class="mod" href="parse/index.html"
                                  title='mod syn::parse'>parse</a></td>
                           <td class='docblock-short'>
                                <p>This module contains a set of exported nom parsers which can be used to
parse custom grammars when used alongside the <code>synom</code> crate.</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="mod" href="visit/index.html"
                                  title='mod syn::visit'>visit</a></td>
                           <td class='docblock-short'>
                                <p>AST walker. Each overridden visit method has full control over what
happens with its node, it can do its own traversal of the node's children,
call <code>visit::walk_*</code> to apply the default traversal algorithm, or prevent
deeper traversal by doing nothing.</p>

                           </td>
                       </tr></table><h2 id='structs' class='section-header'><a href="#structs">Structs</a></h2>
<table>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.AngleBracketedParameterData.html"
                                  title='struct syn::AngleBracketedParameterData'>AngleBracketedParameterData</a></td>
                           <td class='docblock-short'>
                                <p>A path like <code>Foo&lt;'a, T&gt;</code></p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.Attribute.html"
                                  title='struct syn::Attribute'>Attribute</a></td>
                           <td class='docblock-short'>
                                <p>Doc-comments are promoted to attributes that have <code>is_sugared_doc</code> = true</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.BareFnArg.html"
                                  title='struct syn::BareFnArg'>BareFnArg</a></td>
                           <td class='docblock-short'>
                                <p>An argument in a function type.</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.BareFnTy.html"
                                  title='struct syn::BareFnTy'>BareFnTy</a></td>
                           <td class='docblock-short'>
                                
                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.ByteStrLit.html"
                                  title='struct syn::ByteStrLit'>ByteStrLit</a></td>
                           <td class='docblock-short'>
                                
                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.Delimited.html"
                                  title='struct syn::Delimited'>Delimited</a></td>
                           <td class='docblock-short'>
                                
                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.DeriveInput.html"
                                  title='struct syn::DeriveInput'>DeriveInput</a></td>
                           <td class='docblock-short'>
                                <p>Struct or enum sent to a <code>proc_macro_derive</code> macro.</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.Field.html"
                                  title='struct syn::Field'>Field</a></td>
                           <td class='docblock-short'>
                                <p>A field of a struct or enum variant.</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.FloatLit.html"
                                  title='struct syn::FloatLit'>FloatLit</a></td>
                           <td class='docblock-short'>
                                
                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.Generics.html"
                                  title='struct syn::Generics'>Generics</a></td>
                           <td class='docblock-short'>
                                <p>Represents lifetimes and type parameters attached to a declaration
of a function, enum, trait, etc.</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.Ident.html"
                                  title='struct syn::Ident'>Ident</a></td>
                           <td class='docblock-short'>
                                
                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.ImplGenerics.html"
                                  title='struct syn::ImplGenerics'>ImplGenerics</a></td>
                           <td class='docblock-short'>
                                <p>Returned by <code>Generics::split_for_impl</code>.</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.IntLit.html"
                                  title='struct syn::IntLit'>IntLit</a></td>
                           <td class='docblock-short'>
                                
                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.Lifetime.html"
                                  title='struct syn::Lifetime'>Lifetime</a></td>
                           <td class='docblock-short'>
                                
                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.LifetimeDef.html"
                                  title='struct syn::LifetimeDef'>LifetimeDef</a></td>
                           <td class='docblock-short'>
                                <p>A lifetime definition, e.g. <code>'a: 'b+'c+'d</code></p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.Mac.html"
                                  title='struct syn::Mac'>Mac</a></td>
                           <td class='docblock-short'>
                                <p>Represents a macro invocation. The Path indicates which macro
is being invoked, and the vector of token-trees contains the source
of the macro invocation.</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.MutTy.html"
                                  title='struct syn::MutTy'>MutTy</a></td>
                           <td class='docblock-short'>
                                
                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.ParenthesizedParameterData.html"
                                  title='struct syn::ParenthesizedParameterData'>ParenthesizedParameterData</a></td>
                           <td class='docblock-short'>
                                <p>A path like <code>Foo(A,B) -&gt; C</code></p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.Path.html"
                                  title='struct syn::Path'>Path</a></td>
                           <td class='docblock-short'>
                                <p>A &quot;Path&quot; is essentially Rust's notion of a name.</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.PathSegment.html"
                                  title='struct syn::PathSegment'>PathSegment</a></td>
                           <td class='docblock-short'>
                                <p>A segment of a path: an identifier, an optional lifetime, and a set of types.</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.PolyTraitRef.html"
                                  title='struct syn::PolyTraitRef'>PolyTraitRef</a></td>
                           <td class='docblock-short'>
                                
                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.QSelf.html"
                                  title='struct syn::QSelf'>QSelf</a></td>
                           <td class='docblock-short'>
                                <p>The explicit Self type in a &quot;qualified path&quot;. The actual
path, including the trait and the associated item, is stored
separately. <code>position</code> represents the index of the associated
item qualified with this Self type.</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.StrLit.html"
                                  title='struct syn::StrLit'>StrLit</a></td>
                           <td class='docblock-short'>
                                
                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.Turbofish.html"
                                  title='struct syn::Turbofish'>Turbofish</a></td>
                           <td class='docblock-short'>
                                <p>Returned by <code>TyGenerics::as_turbofish</code>.</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.TyGenerics.html"
                                  title='struct syn::TyGenerics'>TyGenerics</a></td>
                           <td class='docblock-short'>
                                <p>Returned by <code>Generics::split_for_impl</code>.</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.TyParam.html"
                                  title='struct syn::TyParam'>TyParam</a></td>
                           <td class='docblock-short'>
                                <p>A generic type parameter, e.g. <code>T: Into&lt;String&gt;</code>.</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.TypeBinding.html"
                                  title='struct syn::TypeBinding'>TypeBinding</a></td>
                           <td class='docblock-short'>
                                <p>Bind a type to an associated type: <code>A=Foo</code>.</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.Variant.html"
                                  title='struct syn::Variant'>Variant</a></td>
                           <td class='docblock-short'>
                                <p>An enum variant.</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.WhereBoundPredicate.html"
                                  title='struct syn::WhereBoundPredicate'>WhereBoundPredicate</a></td>
                           <td class='docblock-short'>
                                <p>A type bound.</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.WhereClause.html"
                                  title='struct syn::WhereClause'>WhereClause</a></td>
                           <td class='docblock-short'>
                                <p>A <code>where</code> clause in a definition</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.WhereEqPredicate.html"
                                  title='struct syn::WhereEqPredicate'>WhereEqPredicate</a></td>
                           <td class='docblock-short'>
                                <p>An equality predicate (unsupported).</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="struct" href="struct.WhereRegionPredicate.html"
                                  title='struct syn::WhereRegionPredicate'>WhereRegionPredicate</a></td>
                           <td class='docblock-short'>
                                <p>A lifetime predicate.</p>

                           </td>
                       </tr></table><h2 id='enums' class='section-header'><a href="#enums">Enums</a></h2>
<table>
                       <tr class=' module-item'>
                           <td><a class="enum" href="enum.Abi.html"
                                  title='enum syn::Abi'>Abi</a></td>
                           <td class='docblock-short'>
                                
                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="enum" href="enum.AttrStyle.html"
                                  title='enum syn::AttrStyle'>AttrStyle</a></td>
                           <td class='docblock-short'>
                                <p>Distinguishes between Attributes that decorate items and Attributes that
are contained as statements within items. These two cases need to be
distinguished for pretty-printing.</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="enum" href="enum.BinOp.html"
                                  title='enum syn::BinOp'>BinOp</a></td>
                           <td class='docblock-short'>
                                
                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="enum" href="enum.BinOpToken.html"
                                  title='enum syn::BinOpToken'>BinOpToken</a></td>
                           <td class='docblock-short'>
                                
                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="enum" href="enum.Body.html"
                                  title='enum syn::Body'>Body</a></td>
                           <td class='docblock-short'>
                                <p>Body of a derived struct or enum.</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="enum" href="enum.ConstExpr.html"
                                  title='enum syn::ConstExpr'>ConstExpr</a></td>
                           <td class='docblock-short'>
                                
                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="enum" href="enum.DelimToken.html"
                                  title='enum syn::DelimToken'>DelimToken</a></td>
                           <td class='docblock-short'>
                                <p>A delimiter token</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="enum" href="enum.FloatTy.html"
                                  title='enum syn::FloatTy'>FloatTy</a></td>
                           <td class='docblock-short'>
                                
                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="enum" href="enum.FunctionRetTy.html"
                                  title='enum syn::FunctionRetTy'>FunctionRetTy</a></td>
                           <td class='docblock-short'>
                                
                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="enum" href="enum.IntTy.html"
                                  title='enum syn::IntTy'>IntTy</a></td>
                           <td class='docblock-short'>
                                
                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="enum" href="enum.Lit.html"
                                  title='enum syn::Lit'>Lit</a></td>
                           <td class='docblock-short'>
                                <p>Literal kind.</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="enum" href="enum.MetaItem.html"
                                  title='enum syn::MetaItem'>MetaItem</a></td>
                           <td class='docblock-short'>
                                <p>A compile-time attribute item.</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="enum" href="enum.Mutability.html"
                                  title='enum syn::Mutability'>Mutability</a></td>
                           <td class='docblock-short'>
                                
                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="enum" href="enum.NestedMetaItem.html"
                                  title='enum syn::NestedMetaItem'>NestedMetaItem</a></td>
                           <td class='docblock-short'>
                                <p>Possible values inside of compile-time attribute lists.</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="enum" href="enum.PathParameters.html"
                                  title='enum syn::PathParameters'>PathParameters</a></td>
                           <td class='docblock-short'>
                                <p>Parameters of a path segment.</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="enum" href="enum.StrStyle.html"
                                  title='enum syn::StrStyle'>StrStyle</a></td>
                           <td class='docblock-short'>
                                
                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="enum" href="enum.Token.html"
                                  title='enum syn::Token'>Token</a></td>
                           <td class='docblock-short'>
                                
                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="enum" href="enum.TokenTree.html"
                                  title='enum syn::TokenTree'>TokenTree</a></td>
                           <td class='docblock-short'>
                                <p>When the main rust parser encounters a syntax-extension invocation, it
parses the arguments to the invocation as a token-tree. This is a very
loose structure, such that all sorts of different AST-fragments can
be passed to syntax extensions using a uniform type.</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="enum" href="enum.TraitBoundModifier.html"
                                  title='enum syn::TraitBoundModifier'>TraitBoundModifier</a></td>
                           <td class='docblock-short'>
                                <p>A modifier on a bound, currently this is only used for <code>?Sized</code>, where the
modifier is <code>Maybe</code>. Negative bounds should also be handled here.</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="enum" href="enum.Ty.html"
                                  title='enum syn::Ty'>Ty</a></td>
                           <td class='docblock-short'>
                                <p>The different kinds of types recognized by the compiler</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="enum" href="enum.TyParamBound.html"
                                  title='enum syn::TyParamBound'>TyParamBound</a></td>
                           <td class='docblock-short'>
                                <p>The AST represents all type param bounds as types.
<code>typeck::collect::compute_bounds</code> matches these against
the &quot;special&quot; built-in traits (see <code>middle::lang_items</code>) and
detects Copy, Send and Sync.</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="enum" href="enum.UnOp.html"
                                  title='enum syn::UnOp'>UnOp</a></td>
                           <td class='docblock-short'>
                                
                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="enum" href="enum.Unsafety.html"
                                  title='enum syn::Unsafety'>Unsafety</a></td>
                           <td class='docblock-short'>
                                
                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="enum" href="enum.VariantData.html"
                                  title='enum syn::VariantData'>VariantData</a></td>
                           <td class='docblock-short'>
                                <p>Data stored within an enum variant or struct.</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="enum" href="enum.Visibility.html"
                                  title='enum syn::Visibility'>Visibility</a></td>
                           <td class='docblock-short'>
                                <p>Visibility level of an item.</p>

                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="enum" href="enum.WherePredicate.html"
                                  title='enum syn::WherePredicate'>WherePredicate</a></td>
                           <td class='docblock-short'>
                                <p>A single predicate in a <code>where</code> clause</p>

                           </td>
                       </tr></table><h2 id='functions' class='section-header'><a href="#functions">Functions</a></h2>
<table>
                       <tr class=' module-item'>
                           <td><a class="fn" href="fn.parse_derive_input.html"
                                  title='fn syn::parse_derive_input'>parse_derive_input</a></td>
                           <td class='docblock-short'>
                                
                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="fn" href="fn.parse_ident.html"
                                  title='fn syn::parse_ident'>parse_ident</a></td>
                           <td class='docblock-short'>
                                
                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="fn" href="fn.parse_outer_attr.html"
                                  title='fn syn::parse_outer_attr'>parse_outer_attr</a></td>
                           <td class='docblock-short'>
                                
                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="fn" href="fn.parse_path.html"
                                  title='fn syn::parse_path'>parse_path</a></td>
                           <td class='docblock-short'>
                                
                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="fn" href="fn.parse_token_trees.html"
                                  title='fn syn::parse_token_trees'>parse_token_trees</a></td>
                           <td class='docblock-short'>
                                
                           </td>
                       </tr>
                       <tr class=' module-item'>
                           <td><a class="fn" href="fn.parse_ty_param_bound.html"
                                  title='fn syn::parse_ty_param_bound'>parse_ty_param_bound</a></td>
                           <td class='docblock-short'>
                                
                           </td>
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