pub struct RawOccupiedEntryMut<'a, K: 'a, V: 'a, S: 'a> { /* private fields */ }
🔬This is a nightly-only experimental API. (hash_raw_entry #56167)
Expand description

HashMap 中已占用条目的视图。 它是 RawEntryMut 枚举的一部分。

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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 #56167)

获取条目中键的引用。

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

🔬This is a nightly-only experimental API. (hash_raw_entry #56167)

获取条目中键的可变引用。

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

🔬This is a nightly-only experimental API. (hash_raw_entry #56167)

将条目转换为变量引用中的键,并将生命周期绑定到 map 本身。

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pub fn get(&self) -> &V

🔬This is a nightly-only experimental API. (hash_raw_entry #56167)

获取条目中值的引用。

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

🔬This is a nightly-only experimental API. (hash_raw_entry #56167)

OccupiedEntry 转换为条目中带有生命周期绑定到 map 本身的值的变量引用。

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

🔬This is a nightly-only experimental API. (hash_raw_entry #56167)

获取条目中的值的可变引用。

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

🔬This is a nightly-only experimental API. (hash_raw_entry #56167)

获取条目中键和值的引用。

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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 #56167)

获取条目中键和值的可变引用。

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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 #56167)

OccupiedEntry 转换为条目中的键和值的变量引用,并将生命周期绑定到 map 本身。

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

🔬This is a nightly-only experimental API. (hash_raw_entry #56167)

设置条目的值,并返回条目的旧值。

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

🔬This is a nightly-only experimental API. (hash_raw_entry #56167)

设置条目的值,并返回条目的旧值。

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pub fn remove(self) -> V

🔬This is a nightly-only experimental API. (hash_raw_entry #56167)

从条目中取出值,然后将其返回。

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

🔬This is a nightly-only experimental API. (hash_raw_entry #56167)

从 map 获取键和值的所有权。

Trait Implementations§

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

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

使用给定的格式化程序格式化该值。 Read more

Auto Trait Implementations§

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

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

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impl<'a, K, V, S> Sync for RawOccupiedEntryMut<'a, K, V, S>where K: Sync, S: Sync, V: 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 Twhere T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

获取 selfTypeIdRead more
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impl<T> Borrow<T> for Twhere T: ?Sized,

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fn borrow(&self) -> &T

从拥有的值中一成不变地借用。 Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

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

从拥有的值中借用。 Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

返回未更改的参数。

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

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fn into(self) -> U

调用 U::from(self)

也就是说,这种转换是 From<T> for U 实现选择执行的任何操作。

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

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type Error = Infallible

发生转换错误时返回的类型。
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

执行转换。
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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

发生转换错误时返回的类型。
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

执行转换。