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EntryRef

collections::vecmap

Enum EntryRef 

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pub enum EntryRef<'key, 'map, K, V> {
    Occupied(OccupiedEntry<'map, K, V>),
    Vacant(VacantEntryRef<'key, 'map, K, V>),
}

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Occupied(OccupiedEntry<'map, K, V>)

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Vacant(VacantEntryRef<'key, 'map, K, V>)

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impl<'key, 'map, K, V> EntryRef<'key, 'map, K, V>

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pub fn key(&self) -> &K

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impl<'key, 'map, K, V> EntryRef<'key, 'map, K, V>
where K: Clone,

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

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

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pub fn or_insert(self, value: V) -> &'map mut V

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pub fn or_insert_default(self) -> &'map mut V
where V: Default,

Auto Trait Implementations§

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impl<'key, 'map, K, V> !UnwindSafe for EntryRef<'key, 'map, K, V>

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impl<'key, 'map, K, V> Freeze for EntryRef<'key, 'map, K, V>
where OccupiedEntry<'map, K, V>: Freeze, VacantEntryRef<'key, 'map, K, V>: Freeze,

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impl<'key, 'map, K, V> RefUnwindSafe for EntryRef<'key, 'map, K, V>
where OccupiedEntry<'map, K, V>: RefUnwindSafe, VacantEntryRef<'key, 'map, K, V>: RefUnwindSafe,

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impl<'key, 'map, K, V> Send for EntryRef<'key, 'map, K, V>
where OccupiedEntry<'map, K, V>: Send, VacantEntryRef<'key, 'map, K, V>: Send,

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impl<'key, 'map, K, V> Sync for EntryRef<'key, 'map, K, V>
where OccupiedEntry<'map, K, V>: Sync, VacantEntryRef<'key, 'map, K, V>: Sync,

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impl<'key, 'map, K, V> Unpin for EntryRef<'key, 'map, K, V>
where OccupiedEntry<'map, K, V>: Unpin, VacantEntryRef<'key, 'map, K, V>: Unpin,

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impl<'key, 'map, K, V> UnsafeUnpin for EntryRef<'key, 'map, K, V>
where OccupiedEntry<'map, K, V>: UnsafeUnpin, VacantEntryRef<'key, 'map, K, V>: UnsafeUnpin,

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 = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

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.