Enum rustc_ast::ast::ForeignItemKind

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pub enum ForeignItemKind {
    Static(P<Ty>, Mutability, Option<P<Expr>>),
    Fn(Box<Fn>),
    TyAlias(Box<TyAlias>),
    MacCall(P<MacCall>),
}

Expand description

An item in extern block.

Variants

`Static(P<Ty>, Mutability, Option<P<Expr>>)`

A foreign static item (static FOO: u8).

`Fn(Box<Fn>)`

An foreign function.

`TyAlias(Box<TyAlias>)`

An foreign type.

`MacCall(P<MacCall>)`

A macro expanding to foreign items.

Trait Implementations

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impl Clone for ForeignItemKind

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fn clone(&self) -> ForeignItemKind

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

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impl Debug for ForeignItemKind

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

Formats the value using the given formatter. Read more

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fn from(foreign_item_kind: ForeignItemKind) -> ItemKind

Converts to this type from the input type.

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impl TryFrom<ItemKind> for ForeignItemKind

type Error = ItemKind

The type returned in the event of a conversion error.

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fn try_from(item_kind: ItemKind) -> Result<ForeignItemKind, ItemKind>

Performs the conversion.

Auto Trait Implementations

impl !RefUnwindSafe for ForeignItemKind

impl !Send for ForeignItemKind

impl !Sync for ForeignItemKind

impl Unpin for ForeignItemKind

impl !UnwindSafe for ForeignItemKind

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> ToOwned for Twhere
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

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

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

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

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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: 24 bytes

Size for each variant:

Static: 23 bytes
Fn: 15 bytes
TyAlias: 15 bytes
MacCall: 15 bytes

Enum rustc_ast::ast::ForeignItemKind

Variants

Static(P<Ty>, Mutability, Option<P<Expr>>)

Fn(Box<Fn>)

TyAlias(Box<TyAlias>)

MacCall(P<MacCall>)

Trait Implementations

impl Clone for ForeignItemKind

fn clone(&self) -> ForeignItemKind

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

impl Debug for ForeignItemKind

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

impl<__D: Decoder> Decodable<__D> for ForeignItemKind

fn decode(__decoder: &mut __D) -> Self

impl<__E: Encoder> Encodable<__E> for ForeignItemKind

fn encode(&self, __encoder: &mut __E)

impl From<ForeignItemKind> for ItemKind

fn from(foreign_item_kind: ForeignItemKind) -> ItemKind

impl TryFrom<ItemKind> for ForeignItemKind

type Error = ItemKind

fn try_from(item_kind: ItemKind) -> Result<ForeignItemKind, ItemKind>

Auto Trait Implementations

impl !RefUnwindSafe for ForeignItemKind

impl !Send for ForeignItemKind

impl !Sync for ForeignItemKind

impl Unpin for ForeignItemKind

impl !UnwindSafe for ForeignItemKind

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> ToOwned for Twhere T: Clone,

type Owned = T

fn to_owned(&self) -> T

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

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

`Static(P<Ty>, Mutability, Option<P<Expr>>)`

`Fn(Box<Fn>)`

`TyAlias(Box<TyAlias>)`

`MacCall(P<MacCall>)`

impl<D: Decoder> Decodable<D> for ForeignItemKind

fn decode(decoder: &mut D) -> Self

impl<E: Encoder> Encodable<E> for ForeignItemKind

fn encode(&self, encoder: &mut E)

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> ToOwned for Twhere
T: Clone,

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

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