pub struct OccupiedError<'a, K, V> where
K: 'a,
V: 'a, {
pub entry: OccupiedEntry<'a, K, V>,
pub value: V,
}
🔬 This is a nightly-only experimental API. (
map_try_insert
)Available on crate feature
mtls
only.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>
🔬 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
sourceimpl<'_, K, V> Debug for OccupiedError<'_, K, V> where
K: Debug,
V: Debug,
impl<'_, K, V> Debug for OccupiedError<'_, K, V> where
K: Debug,
V: Debug,
sourceimpl<'a, K, V> Display for OccupiedError<'a, K, V> where
K: Debug,
V: Debug,
impl<'a, K, V> Display for OccupiedError<'a, K, V> where
K: Debug,
V: Debug,
sourceimpl<'a, K, V> Error for OccupiedError<'a, K, V> where
K: Debug,
V: Debug,
impl<'a, K, V> Error for OccupiedError<'a, K, V> where
K: Debug,
V: Debug,
sourcefn description(&self) -> &str
fn description(&self) -> &str
👎 Deprecated since 1.42.0:
use the Display impl or to_string()
1.30.0 · sourcefn source(&self) -> Option<&(dyn Error + 'static)>
fn source(&self) -> Option<&(dyn Error + 'static)>
The lower-level source of this error, if any. Read more
Auto Trait Implementations
impl<'a, K, V> RefUnwindSafe for OccupiedError<'a, K, V> where
K: RefUnwindSafe,
V: RefUnwindSafe,
impl<'a, K, V> Send for OccupiedError<'a, K, V> where
K: Send,
V: Send,
impl<'a, K, V> Sync for OccupiedError<'a, K, V> where
K: Sync,
V: Sync,
impl<'a, K, V> Unpin for OccupiedError<'a, K, V> where
K: Unpin,
V: Unpin,
impl<'a, K, V> !UnwindSafe for OccupiedError<'a, K, V>
Blanket Implementations
impl<'a, T> AsTaggedExplicit<'a> for T where
T: 'a,
impl<'a, T> AsTaggedExplicit<'a> for T where
T: 'a,
fn explicit(self, class: Class, tag: u32) -> TaggedParser<'a, Explicit, Self>
impl<'a, T> AsTaggedImplicit<'a> for T where
T: 'a,
impl<'a, T> AsTaggedImplicit<'a> for T where
T: 'a,
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
sourceimpl<T> Instrument for T
impl<T> Instrument for T
sourcefn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
sourcefn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
sourceimpl<T> IntoCollection<T> for T
impl<T> IntoCollection<T> for T
sourcefn into_collection<A>(self) -> SmallVec<A> where
A: Array<Item = T>,
fn into_collection<A>(self) -> SmallVec<A> where
A: Array<Item = T>,
Converts self
into a collection.
fn mapped<U, F, A>(self, f: F) -> SmallVec<A> where
F: FnMut(T) -> U,
A: Array<Item = U>,
impl<V, T> VZip<V> for T where
V: MultiLane<T>,
impl<V, T> VZip<V> for T where
V: MultiLane<T>,
fn vzip(self) -> V
sourceimpl<T> WithSubscriber for T
impl<T> WithSubscriber for T
sourcefn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,
fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,
Attaches the provided Subscriber
to this type, returning a
WithDispatch
wrapper. Read more
sourcefn with_current_subscriber(self) -> WithDispatch<Self>
fn with_current_subscriber(self) -> WithDispatch<Self>
Attaches the current default Subscriber
to this type, returning a
WithDispatch
wrapper. Read more