Enum rustc_hir::hir::ForeignItemKind

source ·

pub enum ForeignItemKind<'hir> {
    Fn(&'hir FnDecl<'hir>, &'hir [Ident], &'hir Generics<'hir>),
    Static(&'hir Ty<'hir>, Mutability),
    Type,
}

Expand description

An item within an extern block.

Variants

`Fn(&'hir FnDecl<'hir>, &'hir [Ident], &'hir Generics<'hir>)`

A foreign function.

`Static(&'hir Ty<'hir>, Mutability)`

A foreign static item (static ext: u8).

`Type`

A foreign type.

Trait Implementations

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impl<'hir> Debug for ForeignItemKind<'hir>

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

Formats the value using the given formatter. Read more

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

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fn hash_stable(&self, hcx: &mut CTX, __hasher: &mut StableHasher)

Auto Trait Implementations

impl<'hir> RefUnwindSafe for ForeignItemKind<'hir>

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

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

impl<'hir> Unpin for ForeignItemKind<'hir>

impl<'hir> UnwindSafe for ForeignItemKind<'hir>

Blanket Implementations

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

const: unstable · source

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

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · 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.

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

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

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

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: 40 bytes

Size for each variant:

Fn: 39 bytes
Static: 15 bytes
Type: 0 bytes

Enum rustc_hir::hir::ForeignItemKind

Variants

`Fn(&'hir FnDecl<'hir>, &'hir [Ident], &'hir Generics<'hir>)`

`Static(&'hir Ty<'hir>, Mutability)`

`Type`

Trait Implementations

impl<'hir> Debug for ForeignItemKind<'hir>

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

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

fn hash_stable(&self, hcx: &mut CTX, __hasher: &mut StableHasher)

Auto Trait Implementations

impl<'hir> RefUnwindSafe for ForeignItemKind<'hir>

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

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

impl<'hir> Unpin for ForeignItemKind<'hir>

impl<'hir> UnwindSafe for ForeignItemKind<'hir>

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

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

type Error = Infallible

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

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

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

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

Layout

Enum rustc_hir::hir::ForeignItemKind

Variants

Fn(&'hir FnDecl<'hir>, &'hir [Ident], &'hir Generics<'hir>)

Static(&'hir Ty<'hir>, Mutability)

Type

Trait Implementations

impl<'hir> Debug for ForeignItemKind<'hir>

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

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

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

Auto Trait Implementations

impl<'hir> RefUnwindSafe for ForeignItemKind<'hir>

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

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

impl<'hir> Unpin for ForeignItemKind<'hir>

impl<'hir> UnwindSafe for ForeignItemKind<'hir>

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

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

type Error = Infallible

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

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

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

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

Layout

`Fn(&'hir FnDecl<'hir>, &'hir [Ident], &'hir Generics<'hir>)`

`Static(&'hir Ty<'hir>, Mutability)`

`Type`

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

fn hash_stable(&self, hcx: &mut CTX, __hasher: &mut StableHasher)

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

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

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

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

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

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