pub struct OccupiedError<'a, K, V, A = Global>{
pub entry: OccupiedEntry<'a, K, V, A>,
pub value: V,
}
🔬This is a nightly-only experimental API. (
map_try_insert
)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>
🔬This is a nightly-only experimental API. (
map_try_insert
)The entry in the map that was already occupied.
value: V
🔬This is a nightly-only experimental API. (
map_try_insert
)The value which was not inserted, because the entry was already occupied.
Trait Implementations§
Source§impl<K, V, A> Debug for OccupiedError<'_, K, V, A>
impl<K, V, A> Debug for OccupiedError<'_, K, V, A>
Source§impl<'a, K, V, A> Display for OccupiedError<'a, K, V, A>
impl<'a, K, V, A> Display for OccupiedError<'a, K, V, A>
Source§impl<'a, K, V> Error for OccupiedError<'a, K, V>
impl<'a, K, V> Error for OccupiedError<'a, K, V>
Source§fn description(&self) -> &str
fn description(&self) -> &str
👎Deprecated since 1.42.0: use the Display impl or to_string()
1.30.0 · Source§fn source(&self) -> Option<&(dyn Error + 'static)>
fn source(&self) -> Option<&(dyn Error + 'static)>
Returns the lower-level source of this error, if any. Read more
Auto Trait Implementations§
impl<'a, K, V, A> Freeze for OccupiedError<'a, K, V, A>
impl<'a, K, V, A> RefUnwindSafe for OccupiedError<'a, K, V, A>
impl<'a, K, V, A> Send for OccupiedError<'a, K, V, A>
impl<'a, K, V, A> Sync for OccupiedError<'a, K, V, A>
impl<'a, K, V, A> Unpin for OccupiedError<'a, K, V, A>
impl<'a, K, V, A = Global> !UnwindSafe for OccupiedError<'a, K, V, A>
Blanket Implementations§
§impl<T> ArchivePointee for T
impl<T> ArchivePointee for T
§type ArchivedMetadata = ()
type ArchivedMetadata = ()
The archived version of the pointer metadata for this type.
§fn pointer_metadata(
_: &<T as ArchivePointee>::ArchivedMetadata,
) -> <T as Pointee>::Metadata
fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata, ) -> <T as Pointee>::Metadata
Converts some archived metadata to the pointer metadata for itself.
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
§impl<T> LayoutRaw for T
impl<T> LayoutRaw for T
§fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>
fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>
Returns the layout of the type.
§impl<T, N1, N2> Niching<NichedOption<T, N1>> for N2where
T: SharedNiching<N1, N2>,
N1: Niching<T>,
N2: Niching<T>,
impl<T, N1, N2> Niching<NichedOption<T, N1>> for N2where
T: SharedNiching<N1, N2>,
N1: Niching<T>,
N2: Niching<T>,
§impl<T> Pointee for T
impl<T> Pointee for T
Source§impl<T> Upcastable for T
impl<T> Upcastable for T
Source§fn upcast_any_ref(&self) -> &(dyn Any + 'static)
fn upcast_any_ref(&self) -> &(dyn Any + 'static)
upcast ref
Source§fn upcast_any_mut(&mut self) -> &mut (dyn Any + 'static)
fn upcast_any_mut(&mut self) -> &mut (dyn Any + 'static)
upcast mut ref