pub enum Either<L, R> {
Left(L),
Right(R),
}
Expand description
A sum type that always holds either a value of type L
or R
.
Variants§
Left(L)
Constructs an instance of Either
containing a value of type L
.
Right(R)
Constructs an instance of Either
containing a value of type R
.
Auto Trait Implementations§
impl<L, R> RefUnwindSafe for Either<L, R>where L: RefUnwindSafe, R: RefUnwindSafe,
impl<L, R> Send for Either<L, R>where L: Send, R: Send,
impl<L, R> Sync for Either<L, R>where L: Sync, R: Sync,
impl<L, R> Unpin for Either<L, R>where L: Unpin, R: Unpin,
impl<L, R> UnwindSafe for Either<L, R>where L: UnwindSafe, R: UnwindSafe,
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