Struct VacantEntry

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pub struct VacantEntry<'a, T: IdHashItem, S = DefaultHashBuilder, A: Allocator = Global> { /* private fields */ }
Expand description

A vacant entry.

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impl<'a, T: IdHashItem, S: Clone + BuildHasher, A: Allocator> VacantEntry<'a, T, S, A>

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pub fn insert(self, value: T) -> RefMut<'a, T, S>

Sets the entry to a new value, returning a mutable reference to the value.

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pub fn insert_entry(self, value: T) -> OccupiedEntry<'a, T, S, A>

Sets the value of the entry, and returns an OccupiedEntry.

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impl<'a, T: IdHashItem, S, A: Allocator> Debug for VacantEntry<'a, T, S, A>

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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, S, A> Freeze for VacantEntry<'a, T, S, A>
where S: Freeze,

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impl<'a, T, S, A> RefUnwindSafe for VacantEntry<'a, T, S, A>

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impl<'a, T, S, A> Send for VacantEntry<'a, T, S, A>
where S: Send, T: Send, A: Send,

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impl<'a, T, S, A> Sync for VacantEntry<'a, T, S, A>
where S: Sync, T: Sync, A: Sync,

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impl<'a, T, S, A> Unpin for VacantEntry<'a, T, S, A>
where S: Unpin,

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impl<'a, T, S = RandomState, A = Global> !UnwindSafe for VacantEntry<'a, T, S, A>

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.