std_shims::collections::hash_map

Struct RawOccupiedEntryMut

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pub struct RawOccupiedEntryMut<'a, K, V, S>
where K: 'a, V: 'a, S: 'a,
{ /* private fields */ }
🔬This is a nightly-only experimental API. (hash_raw_entry)
Available on crate feature std only.
Expand description

A view into an occupied entry in a HashMap. It is part of the RawEntryMut enum.

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impl<'a, K, V, S> RawOccupiedEntryMut<'a, K, V, S>

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pub fn key(&self) -> &K

🔬This is a nightly-only experimental API. (hash_raw_entry)

Gets a reference to the key in the entry.

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pub fn key_mut(&mut self) -> &mut K

🔬This is a nightly-only experimental API. (hash_raw_entry)

Gets a mutable reference to the key in the entry.

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pub fn into_key(self) -> &'a mut K

🔬This is a nightly-only experimental API. (hash_raw_entry)

Converts the entry into a mutable reference to the key in the entry with a lifetime bound to the map itself.

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pub fn get(&self) -> &V

🔬This is a nightly-only experimental API. (hash_raw_entry)

Gets a reference to the value in the entry.

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pub fn into_mut(self) -> &'a mut V

🔬This is a nightly-only experimental API. (hash_raw_entry)

Converts the OccupiedEntry into a mutable reference to the value in the entry with a lifetime bound to the map itself.

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pub fn get_mut(&mut self) -> &mut V

🔬This is a nightly-only experimental API. (hash_raw_entry)

Gets a mutable reference to the value in the entry.

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pub fn get_key_value(&mut self) -> (&K, &V)

🔬This is a nightly-only experimental API. (hash_raw_entry)

Gets a reference to the key and value in the entry.

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pub fn get_key_value_mut(&mut self) -> (&mut K, &mut V)

🔬This is a nightly-only experimental API. (hash_raw_entry)

Gets a mutable reference to the key and value in the entry.

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pub fn into_key_value(self) -> (&'a mut K, &'a mut V)

🔬This is a nightly-only experimental API. (hash_raw_entry)

Converts the OccupiedEntry into a mutable reference to the key and value in the entry with a lifetime bound to the map itself.

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

🔬This is a nightly-only experimental API. (hash_raw_entry)

Sets the value of the entry, and returns the entry’s old value.

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pub fn insert_key(&mut self, key: K) -> K

🔬This is a nightly-only experimental API. (hash_raw_entry)

Sets the value of the entry, and returns the entry’s old value.

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pub fn remove(self) -> V

🔬This is a nightly-only experimental API. (hash_raw_entry)

Takes the value out of the entry, and returns it.

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

🔬This is a nightly-only experimental API. (hash_raw_entry)

Take the ownership of the key and value from the map.

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impl<K, V, S> Debug for RawOccupiedEntryMut<'_, K, V, S>
where K: Debug, V: Debug,

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<'a, K, V, S> Freeze for RawOccupiedEntryMut<'a, K, V, S>

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impl<'a, K, V, S> RefUnwindSafe for RawOccupiedEntryMut<'a, K, V, S>

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impl<'a, K, V, S> Send for RawOccupiedEntryMut<'a, K, V, S>
where K: Send, V: Send, S: Send,

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impl<'a, K, V, S> Sync for RawOccupiedEntryMut<'a, K, V, S>
where K: Sync, V: Sync, S: Sync,

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impl<'a, K, V, S> Unpin for RawOccupiedEntryMut<'a, K, V, S>

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impl<'a, K, V, S> !UnwindSafe for RawOccupiedEntryMut<'a, K, V, S>

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.

Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 24 bytes