Enum rustc::hir::Item_

pub enum Item_ {
    ItemExternCrate(Option<Name>),
    ItemUse(P<Path>, UseKind),
    ItemStatic(P<Ty>, Mutability, BodyId),
    ItemConst(P<Ty>, BodyId),
    ItemFn(P<FnDecl>, Unsafety, Constness, Abi, Generics, BodyId),
    ItemMod(Mod),
    ItemForeignMod(ForeignMod),
    ItemGlobalAsm(P<GlobalAsm>),
    ItemTy(P<Ty>, Generics),
    ItemEnum(EnumDef, Generics),
    ItemStruct(VariantData, Generics),
    ItemUnion(VariantData, Generics),
    ItemTrait(IsAuto, Unsafety, Generics, TyParamBounds, HirVec<TraitItemRef>),
    ItemTraitAlias(Generics, TyParamBounds),
    ItemAutoImpl(Unsafety, TraitRef),
    ItemImpl(Unsafety, ImplPolarity, Defaultness, Generics, Option<TraitRef>, P<Ty>, HirVec<ImplItemRef>),
}

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Variants

ItemExternCrate(Option<Name>)

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An extern crate item, with optional original crate name,

e.g. extern crate foo or extern crate foo_bar as foo

ItemUse(P<Path>, UseKind)

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use foo::bar::*; or use foo::bar::baz as quux;

or just

use foo::bar::baz; (with as baz implicitly on the right)

ItemStatic(P<Ty>, Mutability, BodyId)

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A static item

ItemConst(P<Ty>, BodyId)

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A const item

ItemFn(P<FnDecl>, Unsafety, Constness, Abi, Generics, BodyId)

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A function declaration

ItemMod(Mod)

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A module

ItemForeignMod(ForeignMod)

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An external module

ItemGlobalAsm(P<GlobalAsm>)

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Module-level inline assembly (from global_asm!)

ItemTy(P<Ty>, Generics)

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A type alias, e.g. type Foo = Bar<u8>

ItemEnum(EnumDef, Generics)

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An enum definition, e.g. enum Foo<A, B> {C<A>, D<B>}

ItemStruct(VariantData, Generics)

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A struct definition, e.g. struct Foo<A> {x: A}

ItemUnion(VariantData, Generics)

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

ItemTrait(IsAuto, Unsafety, Generics, TyParamBounds, HirVec<TraitItemRef>)

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Represents a Trait Declaration

ItemTraitAlias(Generics, TyParamBounds)

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Represents a Trait Alias Declaration

ItemAutoImpl(Unsafety, TraitRef)

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Auto trait implementations

impl Trait for .. {}

ItemImpl(Unsafety, ImplPolarity, Defaultness, Generics, Option<TraitRef>, P<Ty>, HirVec<ImplItemRef>)

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An implementation, eg impl<A> Trait for Foo { .. }

Methods

impl Item_

pub fn descriptive_variant(&self) -> &str

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pub fn adt_kind(&self) -> Option<AdtKind>

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pub fn generics(&self) -> Option<&Generics>

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Trait Implementations

impl Clone for Item_

fn clone(&self) -> Item_

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl PartialEq for Item_

fn eq(&self, __arg_0: &Item_) -> bool

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

fn ne(&self, __arg_0: &Item_) -> bool

This method tests for !=.

impl Eq for Item_

impl Encodable for Item_

fn encode<__S: Encoder>(&self, __arg_0: &mut __S) -> Result<(), __S::Error>

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impl Decodable for Item_

fn decode<__D: Decoder>(__arg_0: &mut __D) -> Result<Item_, __D::Error>

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impl Hash for Item_

fn hash<__H: Hasher>(&self, __arg_0: &mut __H)

Feeds this value into the given [Hasher].

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given [Hasher].

impl Debug for Item_

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.

impl<'tcx> HashStable<StableHashingContext<'tcx>> for Item_

fn hash_stable<W: StableHasherResult>(
    &self,
    __ctx: &mut StableHashingContext<'tcx>,
    __hasher: &mut StableHasher<W>
)

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?