Enum rustc_hir::OpaqueTyOrigin
source · pub enum OpaqueTyOrigin {
FnReturn(LocalDefId),
AsyncFn(LocalDefId),
TyAlias {
in_assoc_ty: bool,
},
}
Expand description
From whence the opaque type came.
Variants§
FnReturn(LocalDefId)
-> impl Trait
AsyncFn(LocalDefId)
async fn
TyAlias
type aliases: type Foo = impl Trait;
Trait Implementations§
source§impl Clone for OpaqueTyOrigin
impl Clone for OpaqueTyOrigin
source§fn clone(&self) -> OpaqueTyOrigin
fn clone(&self) -> OpaqueTyOrigin
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresource§impl Debug for OpaqueTyOrigin
impl Debug for OpaqueTyOrigin
source§impl<__CTX> HashStable<__CTX> for OpaqueTyOriginwhere
__CTX: HashStableContext,
impl<__CTX> HashStable<__CTX> for OpaqueTyOriginwhere __CTX: HashStableContext,
fn hash_stable(&self, __hcx: &mut __CTX, __hasher: &mut StableHasher)
source§impl PartialEq<OpaqueTyOrigin> for OpaqueTyOrigin
impl PartialEq<OpaqueTyOrigin> for OpaqueTyOrigin
source§fn eq(&self, other: &OpaqueTyOrigin) -> bool
fn eq(&self, other: &OpaqueTyOrigin) -> bool
This method tests for
self
and other
values to be equal, and is used
by ==
.impl Copy for OpaqueTyOrigin
impl Eq for OpaqueTyOrigin
impl StructuralEq for OpaqueTyOrigin
impl StructuralPartialEq for OpaqueTyOrigin
Auto Trait Implementations§
impl RefUnwindSafe for OpaqueTyOrigin
impl Send for OpaqueTyOrigin
impl Sync for OpaqueTyOrigin
impl Unpin for OpaqueTyOrigin
impl UnwindSafe for OpaqueTyOrigin
Blanket Implementations§
source§impl<'tcx, T> ArenaAllocatable<'tcx, IsCopy> for Twhere
T: Copy,
impl<'tcx, T> ArenaAllocatable<'tcx, IsCopy> for Twhere T: Copy,
fn allocate_on<'a>(self, arena: &'a Arena<'tcx>) -> &'a mut T
fn allocate_from_iter<'a>( arena: &'a Arena<'tcx>, iter: impl IntoIterator<Item = T> ) -> &'a mut [T]
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
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: 8 bytes
Size for each variant:
FnReturn
: 7 bytesAsyncFn
: 7 bytesTyAlias
: 1 byte