Struct rustc_hir::Item

source ·
pub struct Item<'hir> {
    pub ident: Ident,
    pub owner_id: OwnerId,
    pub kind: ItemKind<'hir>,
    pub span: Span,
    pub vis_span: Span,
}
Expand description

An item

The name might be a dummy name in case of anonymous items

Fields§

§ident: Ident§owner_id: OwnerId§kind: ItemKind<'hir>§span: Span§vis_span: Span

Implementations§

source§

impl<'hir> Item<'hir>

source

pub fn hir_id(&self) -> HirId

source

pub fn item_id(&self) -> ItemId

source

pub fn is_adt(&self) -> bool

source

pub fn is_struct_or_union(&self) -> bool

Check if this is an ItemKind::Struct or ItemKind::Union.

source

pub fn expect_extern_crate(&self) -> Option<Symbol>

source

pub fn expect_use(&self) -> (&'hir UsePath<'hir>, UseKind)

source

pub fn expect_static(&self) -> (&'hir Ty<'hir>, Mutability, BodyId)

source

pub fn expect_const(&self) -> (&'hir Ty<'hir>, &'hir Generics<'hir>, BodyId)

source

pub fn expect_fn(&self) -> (&FnSig<'hir>, &'hir Generics<'hir>, BodyId)

source

pub fn expect_macro(&self) -> (&MacroDef, MacroKind)

source

pub fn expect_mod(&self) -> &'hir Mod<'hir>

source

pub fn expect_foreign_mod(&self) -> (Abi, &'hir [ForeignItemRef])

source

pub fn expect_global_asm(&self) -> &'hir InlineAsm<'hir>

source

pub fn expect_ty_alias(&self) -> (&'hir Ty<'hir>, &'hir Generics<'hir>)

source

pub fn expect_opaque_ty(&self) -> &OpaqueTy<'hir>

source

pub fn expect_enum(&self) -> (&EnumDef<'hir>, &'hir Generics<'hir>)

source

pub fn expect_struct(&self) -> (&VariantData<'hir>, &'hir Generics<'hir>)

source

pub fn expect_union(&self) -> (&VariantData<'hir>, &'hir Generics<'hir>)

source

pub fn expect_trait( &self ) -> (IsAuto, Unsafety, &'hir Generics<'hir>, GenericBounds<'hir>, &'hir [TraitItemRef])

source

pub fn expect_trait_alias(&self) -> (&'hir Generics<'hir>, GenericBounds<'hir>)

source

pub fn expect_impl(&self) -> &'hir Impl<'hir>

Trait Implementations§

source§

impl<'hir> Clone for Item<'hir>

source§

fn clone(&self) -> Item<'hir>

Returns a copy of the value. Read more
1.0.0 · source§

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

Performs copy-assignment from source. Read more
source§

impl<'hir> Debug for Item<'hir>

source§

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
source§

impl<'hir, __CTX> HashStable<__CTX> for Item<'hir>
where __CTX: HashStableContext,

source§

fn hash_stable(&self, __hcx: &mut __CTX, __hasher: &mut StableHasher)

source§

impl<'hir> Into<OwnerNode<'hir>> for &'hir Item<'hir>

source§

fn into(self) -> OwnerNode<'hir>

Converts this type into the (usually inferred) input type.
source§

impl<'hir> Copy for Item<'hir>

Auto Trait Implementations§

§

impl<'hir> DynSend for Item<'hir>

§

impl<'hir> DynSync for Item<'hir>

§

impl<'hir> Freeze for Item<'hir>

§

impl<'hir> !RefUnwindSafe for Item<'hir>

§

impl<'hir> !Send for Item<'hir>

§

impl<'hir> !Sync for Item<'hir>

§

impl<'hir> Unpin for Item<'hir>

§

impl<'hir> !UnwindSafe for Item<'hir>

Blanket Implementations§

source§

impl<T> Aligned for T

source§

const ALIGN: Alignment = _

Alignment of Self.
source§

impl<T> Any for T
where T: 'static + ?Sized,

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

impl<'tcx, T> ArenaAllocatable<'tcx, IsCopy> for T
where T: Copy,

source§

fn allocate_on<'a>(self, arena: &'a Arena<'tcx>) -> &'a mut T

source§

fn allocate_from_iter<'a>( arena: &'a Arena<'tcx>, iter: impl IntoIterator<Item = T> ) -> &'a mut [T]

source§

impl<T> Borrow<T> for T
where T: ?Sized,

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

impl<T> Instrument for T

source§

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
source§

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
source§

impl<T, U> Into<U> for T
where U: From<T>,

source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

source§

impl<T> IntoEither for T

source§

fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
source§

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
source§

impl<T> Pointable for T

source§

const ALIGN: usize = _

The alignment of pointer.
§

type Init = T

The type for initializers.
source§

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
source§

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
source§

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
source§

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
source§

impl<T> Same for T

§

type Output = T

Should always be Self
source§

impl<T> ToOwned for T
where T: Clone,

§

type Owned = T

The resulting type after obtaining ownership.
source§

fn to_owned(&self) -> T

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

fn clone_into(&self, target: &mut T)

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

impl<T, U> TryFrom<U> for T
where U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
source§

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

source§

fn vzip(self) -> V

source§

impl<T> WithSubscriber for T

source§

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
source§

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
source§

impl<'a, T> Captures<'a> for T
where T: ?Sized,

Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 88 bytes