Enum rustc_ast::ast::ForeignItemKind

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

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

impl Clone for ForeignItemKind

fn clone(&self) -> ForeignItemKind

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ForeignItemKind

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

Formats the value using the given formatter.

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

Converts to this type from the input type.

impl TryFrom<ItemKind> for ForeignItemKind

type Error = ItemKind

The type returned in the event of a conversion error.

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

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