Enum rustc_hir::TraitBoundModifier
source · pub enum TraitBoundModifier {
None,
Negative,
Maybe,
MaybeConst,
}
Expand description
A modifier on a bound, currently this is only used for ?Sized
, where the
modifier is Maybe
. Negative bounds should also be handled here.
Variants§
Trait Implementations§
source§impl Clone for TraitBoundModifier
impl Clone for TraitBoundModifier
source§fn clone(&self) -> TraitBoundModifier
fn clone(&self) -> TraitBoundModifier
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 TraitBoundModifier
impl Debug for TraitBoundModifier
source§impl Hash for TraitBoundModifier
impl Hash for TraitBoundModifier
source§impl<__CTX> HashStable<__CTX> for TraitBoundModifierwhere
__CTX: HashStableContext,
impl<__CTX> HashStable<__CTX> for TraitBoundModifierwhere __CTX: HashStableContext,
fn hash_stable(&self, __hcx: &mut __CTX, __hasher: &mut StableHasher)
source§impl PartialEq<TraitBoundModifier> for TraitBoundModifier
impl PartialEq<TraitBoundModifier> for TraitBoundModifier
source§fn eq(&self, other: &TraitBoundModifier) -> bool
fn eq(&self, other: &TraitBoundModifier) -> bool
This method tests for
self
and other
values to be equal, and is used
by ==
.impl Copy for TraitBoundModifier
impl Eq for TraitBoundModifier
impl StructuralEq for TraitBoundModifier
impl StructuralPartialEq for TraitBoundModifier
Auto Trait Implementations§
impl RefUnwindSafe for TraitBoundModifier
impl Send for TraitBoundModifier
impl Sync for TraitBoundModifier
impl Unpin for TraitBoundModifier
impl UnwindSafe for TraitBoundModifier
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: 1 byte
Size for each variant:
None
: 0 bytesNegative
: 0 bytesMaybe
: 0 bytesMaybeConst
: 0 bytes