weak_table::weak_weak_hash_map

Struct OccupiedEntry

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pub struct OccupiedEntry<'a, K: 'a + WeakKey, V: 'a + WeakElement> { /* private fields */ }
Expand description

An occupied entry, which can be removed or viewed.

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impl<'a, K: WeakKey, V: WeakElement> OccupiedEntry<'a, K, V>

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pub fn key(&self) -> &K::Strong

Gets a reference to the key held by the entry.

O(1) time

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pub fn remove_entry(self) -> (K::Strong, V::Strong)

Takes ownership of the key and value from the map.

expected O(1) time; worst-case O(p) time

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pub fn get(&self) -> &V::Strong

Gets a reference to the value in the entry.

O(1) time

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pub fn get_strong(&self) -> V::Strong

Gets a clone of the reference to the value in the entry.

O(1) time

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pub fn insert(&mut self, value: V::Strong) -> V::Strong

Replaces the value in the entry with the given value.

O(1) time

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pub fn remove(self) -> V::Strong

Removes the entry, returning the value.

expected O(1) time; worst-case O(p) time

Trait Implementations§

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impl<'a, K: WeakKey, V: WeakElement> Debug for OccupiedEntry<'a, K, V>
where K::Strong: Debug, V::Strong: Debug,

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<'a, K, V> Freeze for OccupiedEntry<'a, K, V>
where <V as WeakElement>::Strong: Freeze, <K as WeakElement>::Strong: Freeze,

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impl<'a, K, V> RefUnwindSafe for OccupiedEntry<'a, K, V>
where <V as WeakElement>::Strong: RefUnwindSafe, <K as WeakElement>::Strong: RefUnwindSafe, K: RefUnwindSafe, V: RefUnwindSafe,

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impl<'a, K, V> Send for OccupiedEntry<'a, K, V>
where <V as WeakElement>::Strong: Send, <K as WeakElement>::Strong: Send, K: Send, V: Send,

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impl<'a, K, V> Sync for OccupiedEntry<'a, K, V>
where <V as WeakElement>::Strong: Sync, <K as WeakElement>::Strong: Sync, K: Sync, V: Sync,

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impl<'a, K, V> Unpin for OccupiedEntry<'a, K, V>
where <V as WeakElement>::Strong: Unpin, <K as WeakElement>::Strong: Unpin,

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impl<'a, K, V> !UnwindSafe for OccupiedEntry<'a, K, V>

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.