Struct type_set::entry::OccupiedEntry

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pub struct OccupiedEntry<'a, T>(/* private fields */);
Expand description

A view into the location a T is stored

Implementations§

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impl<'a, T: Send + Sync + 'static> OccupiedEntry<'a, T>

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pub fn get(&self) -> &T

Gets a reference to the value in this entry

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

Gets a mutable reference to the value in the entry

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

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

Sets the value of the entry to value, returning the entry’s previous value.

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pub fn remove(self) -> T

Take ownership of the value from this Entry

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pub fn into_mut(self) -> &'a mut T

Converts the entry into a mutable reference to its value.

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

Trait Implementations§

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impl<'a, T: Debug + Any + Send + Sync + 'static> 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
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impl<'a, T: Send + Sync + 'static> Deref for OccupiedEntry<'a, T>

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type Target = T

The resulting type after dereferencing.
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fn deref(&self) -> &Self::Target

Dereferences the value.
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impl<'a, T: Send + Sync + 'static> DerefMut for OccupiedEntry<'a, T>

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fn deref_mut(&mut self) -> &mut Self::Target

Mutably dereferences the value.
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impl<'a, T: Send + Sync + 'static> From<OccupiedEntry<'a, T>> for Entry<'a, T>

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fn from(occupied_entry: OccupiedEntry<'a, T>) -> Self

Converts to this type from the input type.

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>

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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>
where T: Unpin,

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

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.