enum NicheBias {
Start,
End,
}
Expand description
Determines towards which end of a struct layout optimizations will try to place the best niches.
Variants§
Auto Trait Implementations§
impl RefUnwindSafe for NicheBias
impl Send for NicheBias
impl Sync for NicheBias
impl Unpin for NicheBias
impl UnwindSafe for NicheBias
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
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:
Start
: 0 bytesEnd
: 0 bytes