Enum rustc_hir::Defaultness
source · pub enum Defaultness {
Default {
has_value: bool,
},
Final,
}
Variants§
Implementations§
Trait Implementations§
source§impl Clone for Defaultness
impl Clone for Defaultness
source§fn clone(&self) -> Defaultness
fn clone(&self) -> Defaultness
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 Defaultness
impl Debug for Defaultness
source§impl<__D: Decoder> Decodable<__D> for Defaultness
impl<__D: Decoder> Decodable<__D> for Defaultness
source§impl<__E: Encoder> Encodable<__E> for Defaultness
impl<__E: Encoder> Encodable<__E> for Defaultness
source§impl<__CTX> HashStable<__CTX> for Defaultnesswhere
__CTX: HashStableContext,
impl<__CTX> HashStable<__CTX> for Defaultnesswhere __CTX: HashStableContext,
fn hash_stable(&self, __hcx: &mut __CTX, __hasher: &mut StableHasher)
source§impl PartialEq<Defaultness> for Defaultness
impl PartialEq<Defaultness> for Defaultness
source§fn eq(&self, other: &Defaultness) -> bool
fn eq(&self, other: &Defaultness) -> bool
This method tests for
self
and other
values to be equal, and is used
by ==
.impl Copy for Defaultness
impl Eq for Defaultness
impl StructuralEq for Defaultness
impl StructuralPartialEq for Defaultness
Auto Trait Implementations§
impl RefUnwindSafe for Defaultness
impl Send for Defaultness
impl Sync for Defaultness
impl Unpin for Defaultness
impl UnwindSafe for Defaultness
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:
Default
: 1 byteFinal
: 0 bytes