Struct OccupiedEntry

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pub struct OccupiedEntry<'a, T: IdOrdItem> { /* private fields */ }
Expand description

A view into an occupied entry in an IdOrdMap. Part of the Entry enum.

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impl<'a, T: IdOrdItem> OccupiedEntry<'a, T>

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pub fn get(&self) -> &T

Gets a reference to the value.

If you need a reference to T that may outlive the destruction of the Entry value, see into_ref.

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pub fn get_mut<'b>(&'b mut self) -> RefMut<'b, T>
where T::Key<'b>: Hash,

Gets a mutable reference to the value.

If you need a reference to T that may outlive the destruction of the Entry value, see into_mut.

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pub fn into_ref(self) -> &'a T

Converts self into a reference to the value.

If you need multiple references to the OccupiedEntry, see get.

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pub fn into_mut(self) -> RefMut<'a, T>
where T::Key<'a>: Hash,

Converts self into a mutable reference to the value.

If you need multiple references to the OccupiedEntry, see get_mut.

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

Sets the entry to a new value, returning the old value.

§Panics

Panics if value.key() is different from the key of the entry.

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pub fn remove(self) -> T

Takes ownership of the value from the map.

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impl<'a, T: IdOrdItem> Debug for OccupiedEntry<'a, T>

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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, T> Freeze for OccupiedEntry<'a, T>

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impl<'a, T> RefUnwindSafe for OccupiedEntry<'a, T>
where T: RefUnwindSafe,

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impl<'a, T> Send for OccupiedEntry<'a, T>
where T: Send,

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impl<'a, T> Sync for OccupiedEntry<'a, T>
where T: Sync,

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impl<'a, T> Unpin for OccupiedEntry<'a, T>

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impl<'a, T> !UnwindSafe for OccupiedEntry<'a, T>

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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.