Enum syn::Item[][src]

pub enum Item {
Show 17 variants Const(ItemConst), Enum(ItemEnum), ExternCrate(ItemExternCrate), Fn(ItemFn), ForeignMod(ItemForeignMod), Impl(ItemImpl), Macro(ItemMacro), Macro2(ItemMacro2), Mod(ItemMod), Static(ItemStatic), Struct(ItemStruct), Trait(ItemTrait), TraitAlias(ItemTraitAlias), Type(ItemType), Union(ItemUnion), Use(ItemUse), Verbatim(TokenStream), // some variants omitted
}
This is supported on crate feature full only.
Expand description

Things that can appear directly inside of a module or scope.

This type is available only if Syn is built with the "full" feature.

Syntax tree enum

This type is a syntax tree enum.

Variants

Const(ItemConst)

A constant item: const MAX: u16 = 65535.

Tuple Fields of Const

0: ItemConst
Enum(ItemEnum)

An enum definition: enum Foo<A, B> { A(A), B(B) }.

Tuple Fields of Enum

0: ItemEnum
ExternCrate(ItemExternCrate)

An extern crate item: extern crate serde.

Tuple Fields of ExternCrate

0: ItemExternCrate
Fn(ItemFn)

A free-standing function: fn process(n: usize) -> Result<()> { ... }.

Tuple Fields of Fn

0: ItemFn
ForeignMod(ItemForeignMod)

A block of foreign items: extern "C" { ... }.

Tuple Fields of ForeignMod

0: ItemForeignMod
Impl(ItemImpl)

An impl block providing trait or associated items: impl<A> Trait for Data<A> { ... }.

Tuple Fields of Impl

0: ItemImpl
Macro(ItemMacro)

A macro invocation, which includes macro_rules! definitions.

Tuple Fields of Macro

0: ItemMacro
Macro2(ItemMacro2)

A 2.0-style declarative macro introduced by the macro keyword.

Tuple Fields of Macro2

0: ItemMacro2
Mod(ItemMod)

A module or module declaration: mod m or mod m { ... }.

Tuple Fields of Mod

0: ItemMod
Static(ItemStatic)

A static item: static BIKE: Shed = Shed(42).

Tuple Fields of Static

0: ItemStatic
Struct(ItemStruct)

A struct definition: struct Foo<A> { x: A }.

Tuple Fields of Struct

0: ItemStruct
Trait(ItemTrait)

A trait definition: pub trait Iterator { ... }.

Tuple Fields of Trait

0: ItemTrait
TraitAlias(ItemTraitAlias)

A trait alias: pub trait SharableIterator = Iterator + Sync.

Tuple Fields of TraitAlias

0: ItemTraitAlias
Type(ItemType)

A type alias: type Result<T> = std::result::Result<T, MyError>.

Tuple Fields of Type

0: ItemType
Union(ItemUnion)

A union definition: union Foo<A, B> { x: A, y: B }.

Tuple Fields of Union

0: ItemUnion
Use(ItemUse)

A use declaration: use std::collections::HashMap.

Tuple Fields of Use

0: ItemUse
Verbatim(TokenStream)

Tokens forming an item not interpreted by Syn.

Tuple Fields of Verbatim

0: TokenStream

Trait Implementations

Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

Formats the value using the given formatter. Read more

Performs the conversion.

Performs the conversion.

Performs the conversion.

Performs the conversion.

Performs the conversion.

Performs the conversion.

Performs the conversion.

Performs the conversion.

Performs the conversion.

Performs the conversion.

Performs the conversion.

Performs the conversion.

Performs the conversion.

Performs the conversion.

Performs the conversion.

Performs the conversion.

Performs the conversion.

Feeds this value into the given Hasher. Read more

Feeds a slice of this type into the given Hasher. Read more

This method tests for self and other values to be equal, and is used by ==. Read more

This method tests for !=.

Write self to the given TokenStream. Read more

Convert self directly into a TokenStream object. Read more

Convert self directly into a TokenStream object. Read more

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Performs the conversion.

Performs the conversion.

This is supported on crate features parsing and printing only.

Returns a Span covering the complete contents of this syntax tree node, or Span::call_site() if this node is empty. Read more

The resulting type after obtaining ownership.

Creates owned data from borrowed data, usually by cloning. Read more

🔬 This is a nightly-only experimental API. (toowned_clone_into)

recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.