pub enum Cause<E> {
Processing(Error),
Callback(E),
}Expand description
Processing failures are distinct from provider/consumer callback refusal.
Variants§
Processing(Error)
A source/parameter/ownership/resource processing failure.
Callback(E)
The unchanged callback error, with no conversion to invalid/mismatch.
Trait Implementations§
Auto Trait Implementations§
impl<E> !Freeze for Cause<E>
impl<E> RefUnwindSafe for Cause<E>where
E: RefUnwindSafe,
impl<E> Send for Cause<E>where
E: Send,
impl<E> Sync for Cause<E>where
E: Sync,
impl<E> Unpin for Cause<E>where
E: Unpin,
impl<E> UnsafeUnpin for Cause<E>where
E: UnsafeUnpin,
impl<E> UnwindSafe for Cause<E>where
E: 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