Struct VacantEntry 

pub struct VacantEntry<'map, K, V, S = DefaultHashBuilder> { /* private fields */ }

A view into a vacant entry of the map

Implementations

impl<'map, K, V, S> VacantEntry<'map, K, V, S>

where K: Eq + Hash, S: BuildHasher,

pub fn key(&self) -> &K

Gets a reference to the key that would be used when inserting

pub fn into_key(self) -> K

Take ownership of the key, consuming the VacantEntry.

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

Sets the value of the entry and return a mutable reference to it.

pub fn insert_entry(self, value: V) -> OccupiedEntry<'map, K, V, S>

Set the value of the entry and return an OccupiedEntry.

Trait Implementations

impl<'map, K: Debug, V: Debug, S: Debug> Debug for VacantEntry<'map, K, V, S>

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

Formats the value using the given formatter.