Enum polodb_bson::linked_hash_map::Entry [−][src]
pub enum Entry<'a, K: 'a, V: 'a, S: 'a = DefaultHashBuilder> {
Occupied(OccupiedEntry<'a, K, V, S>),
Vacant(VacantEntry<'a, K, V, S>),
}
Expand description
A view into a single location in a map, which may be vacant or occupied.
Variants
Occupied(OccupiedEntry<'a, K, V, S>)
An occupied Entry.
Tuple Fields of Occupied
0: OccupiedEntry<'a, K, V, S>
Vacant(VacantEntry<'a, K, V, S>)
A vacant Entry.
Tuple Fields of Vacant
0: VacantEntry<'a, K, V, S>
Implementations
Returns the entry key
Examples
use polodb_bson::linked_hash_map::LinkedHashMap;
let mut map = LinkedHashMap::<String, u32>::new();
assert_eq!("hello", map.entry("hello".to_string()).key());
Ensures a value is in the entry by inserting the default if empty, and returns a mutable reference to the value in the entry.
Ensures a value is in the entry by inserting the result of the default function if empty, and returns a mutable reference to the value in the entry.