Struct collections::btree_map::VacantEntry 1.0.0
[−]
[src]
pub struct VacantEntry<'a, K: 'a, V: 'a> { // some fields omitted }
A vacant Entry.
Methods
impl<'a, K: Ord, V> VacantEntry<'a, K, V>
[src]
fn key(&self) -> &K
1.10.0
Gets a reference to the key that would be used when inserting a value through the VacantEntry.
fn into_key(self) -> K
Unstable (
map_entry_recover_keys
#34285)Take ownership of the key.
fn insert(self, value: V) -> &'a mut V
Sets the value of the entry with the VacantEntry's key, and returns a mutable reference to it.