Enum ordermap::Entry

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pub enum Entry<'a, K: 'a, V: 'a, S: 'a = RandomState> {
    Occupied(OccupiedEntry<'a, K, V, S>),
    Vacant(VacantEntry<'a, K, V, S>),
}
Expand description

Entry for an existing key-value pair or a vacant location to insert one.

FIXME: Remove dependence on the S parameter (to match HashMap).

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Occupied(OccupiedEntry<'a, K, V, S>)

Existing slot with equivalent key.

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Vacant(VacantEntry<'a, K, V, S>)

Vacant slot (no equivalent key in the map).

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

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

Computes in O(1) time (amortized average).

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

Computes in O(1) time (amortized average).

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pub fn key(&self) -> &K

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pub fn index(&self) -> usize

Return the index where the key-value pair exists or will be inserted.

Auto Trait Implementations§

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

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

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

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impl<'a, K, V, S> Unpin for Entry<'a, K, V, S>where K: Unpin,

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impl<'a, K, V, S = RandomState> !UnwindSafe for Entry<'a, K, V, S>

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impl<T> Any for Twhere 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 Twhere 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 Twhere 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 Twhere 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 Twhere 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 Twhere 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.