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

Occupied or vacant entry.

Variants§

§

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

Occupied entry.

§

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

No entry for given key.

Implementations§

source§

impl<'a, K, V> Entry<'a, K, V>
where K: Eq,

source

pub fn key(&self) -> &K

Key for this entry.

source

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

Insert if vacant.

source

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

Insert if vacant.

source

pub fn or_default(self) -> &'a mut V
where V: Default,

Insert if vacant.

Auto Trait Implementations§

§

impl<'a, K, V> RefUnwindSafe for Entry<'a, K, V>

§

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

§

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

§

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

§

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

Blanket Implementations§

source§

impl<T> Any for T
where T: 'static + ?Sized,

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

impl<T> Borrow<T> for T
where T: ?Sized,

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

impl<T, U> Into<U> for T
where U: From<T>,

source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.