Enum associated_list::Entry

pub enum Entry<'a, K, V, A: Allocator = ()> {
    Occupied(OccupiedEntry<'a, K, V, A>),
    Vacant(VacantEntry<'a, K, V, A>),
}

A view into an AssocList for a single element. It can be either present or missing.

Variants

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

The AssocList contains a value for the key.

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

The AssocList doesn’t contain a value for the key.

Implementations

impl<'a, K, V, A: Allocator> Entry<'a, K, V, A>

pub fn key(&self) -> &K

Return the key used to create the Entry.

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.

Trait Implementations

impl<'a, K: Debug, V: Debug, A: Debug + Allocator> Debug for Entry<'a, K, V, A>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.