pub enum NullOp<'tcx> {
SizeOf,
AlignOf,
OffsetOf(&'tcx RawList<(), (VariantIdx, FieldIdx)>),
UbChecks,
}
Variants§
SizeOf
Returns the size of a value of that type
AlignOf
Returns the minimum alignment of a type
OffsetOf(&'tcx RawList<(), (VariantIdx, FieldIdx)>)
Returns the offset of a field
UbChecks
Returns whether we should perform some UB-checking at runtime.
See the ub_checks
intrinsic docs for details.
Auto Trait Implementations§
impl<'tcx> Freeze for NullOp<'tcx>
impl<'tcx> !RefUnwindSafe for NullOp<'tcx>
impl<'tcx> Send for NullOp<'tcx>
impl<'tcx> Sync for NullOp<'tcx>
impl<'tcx> Unpin for NullOp<'tcx>
impl<'tcx> !UnwindSafe for NullOp<'tcx>
Blanket Implementations§
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