Struct alloc::collections::btree_map::OccupiedError
source · [−]pub struct OccupiedError<'a, K: 'a, V: 'a, A: Allocator + Clone = Global> {
pub entry: OccupiedEntry<'a, K, V, A>,
pub value: V,
}
Expand description
The error returned by try_insert
when the key already exists.
Contains the occupied entry, and the value that was not inserted.
Fields
entry: OccupiedEntry<'a, K, V, A>
The entry in the map that was already occupied.
value: V
The value which was not inserted, because the entry was already occupied.
Trait Implementations
Auto Trait Implementations
impl<'a, K, V, A> RefUnwindSafe for OccupiedError<'a, K, V, A> where
A: RefUnwindSafe,
K: RefUnwindSafe,
V: RefUnwindSafe,
impl<'a, K, V, A> Send for OccupiedError<'a, K, V, A> where
A: Send,
K: Send,
V: Send,
impl<'a, K, V, A> Sync for OccupiedError<'a, K, V, A> where
A: Sync,
K: Sync,
V: Sync,
impl<'a, K, V, A> Unpin for OccupiedError<'a, K, V, A> where
A: Unpin,
V: Unpin,
impl<'a, K, V, A = Global> !UnwindSafe for OccupiedError<'a, K, V, A>
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more