Enum rustc_ast::ast::AssocItemKind
source · pub enum AssocItemKind {
Const(Defaultness, P<Ty>, Option<P<Expr>>),
Fn(Box<Fn>),
TyAlias(Box<TyAlias>),
MacCall(P<MacCall>),
}
Expand description
Represents associated item kinds.
The term “provided” in the variants below refers to the item having a default
definition / body. Meanwhile, a “required” item lacks a definition / body.
In an implementation, all items must be provided.
The Option
s below denote the bodies, where Some(_)
means “provided” and conversely None
means “required”.
Variants
Const(Defaultness, P<Ty>, Option<P<Expr>>)
An associated constant, const $ident: $ty $def?;
where def ::= "=" $expr? ;
.
If def
is parsed, then the constant is provided, and otherwise required.
Fn(Box<Fn>)
An associated function.
TyAlias(Box<TyAlias>)
An associated type.
MacCall(P<MacCall>)
A macro expanding to associated items.
Implementations
sourceimpl AssocItemKind
impl AssocItemKind
pub fn defaultness(&self) -> Defaultness
Trait Implementations
sourceimpl Clone for AssocItemKind
impl Clone for AssocItemKind
sourcefn clone(&self) -> AssocItemKind
fn clone(&self) -> AssocItemKind
1.0.0 · sourcefn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source
. Read moresourceimpl Debug for AssocItemKind
impl Debug for AssocItemKind
sourceimpl<__D: Decoder> Decodable<__D> for AssocItemKind
impl<__D: Decoder> Decodable<__D> for AssocItemKind
sourceimpl<__E: Encoder> Encodable<__E> for AssocItemKind
impl<__E: Encoder> Encodable<__E> for AssocItemKind
sourceimpl From<AssocItemKind> for ItemKind
impl From<AssocItemKind> for ItemKind
sourcefn from(assoc_item_kind: AssocItemKind) -> ItemKind
fn from(assoc_item_kind: AssocItemKind) -> ItemKind
Auto Trait Implementations
impl !RefUnwindSafe for AssocItemKind
impl !Send for AssocItemKind
impl !Sync for AssocItemKind
impl Unpin for AssocItemKind
impl !UnwindSafe for AssocItemKind
Blanket Implementations
sourceimpl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
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: 32 bytes
Size for each variant:
Const
: 28 bytesFn
: 12 bytesTyAlias
: 12 bytesMacCall
: 12 bytes