Enum Entry

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pub enum Entry<'a, V> {
    Occupied(OccupiedEntry<'a, V>),
    Vacant(VacantEntry<'a, V>),
}
Expand description

An IntTable entry

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Occupied(OccupiedEntry<'a, V>)

Entry was occupied

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Vacant(VacantEntry<'a, V>)

Entry was empty

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impl<'a, V> Entry<'a, V>

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pub fn or_insert(self, default: V) -> &'a mut V

Ensures a value is in the entry by inserting the default if empty, and returns a mutable reference to the value in the entry.

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pub fn or_insert_with<F>(self, default: F) -> &'a mut V
where F: FnOnce() -> V,

Ensures a value is in the entry by inserting the default if empty, and returns a mutable reference to the value in the entry. Only calls the closure if the entry is empty.

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pub fn or_insert_with_key<F>(self, default: F) -> &'a mut V
where F: FnOnce(&u64) -> V,

Ensures a value is in the entry by inserting the default if empty, and returns a mutable reference to the value in the entry. Only calls the closure if the entry is empty.

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pub fn key(&self) -> &u64

Returns the key for this entry

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pub fn and_modify<F>(self, f: F) -> Self
where F: FnOnce(&mut V),

Provides in-place mutable access to an occupied entry before any potential inserts into the map

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pub fn insert_entry(self, value: V) -> OccupiedEntry<'a, V>

Sets the value of the entry and returns an OccupiedEntry.

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impl<'a, V> Entry<'a, V>
where V: Default,

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

Sets the value to the default

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impl<'a, V: Debug> Debug for Entry<'a, V>

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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, V> Freeze for Entry<'a, V>

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impl<'a, V> RefUnwindSafe for Entry<'a, V>
where V: RefUnwindSafe,

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impl<'a, V> Send for Entry<'a, V>
where V: Send,

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impl<'a, V> Sync for Entry<'a, V>
where V: Sync,

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impl<'a, V> Unpin for Entry<'a, V>

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impl<'a, V> !UnwindSafe for Entry<'a, V>

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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.