Struct weak_table::weak_weak_hash_map::VacantEntry [−][src]
pub struct VacantEntry<'a, K: 'a + WeakKey, V: 'a + WeakElement> { /* fields omitted */ }
Expand description
A vacant entry, which can be inserted in or viewed.
Implementations
Gets a reference to the key that would be used when inserting a
value through the VacantEntry
.
O(1) time