Interface WeakMap<K, V>

Added methods on WeakMaps.

interface WeakMap<K extends WeakKey, V> {
getOrInsertComputed(key: K, defaultValue: (key: K) => V): V;
remove(key: K): Option<V>;
}

Type Parameters

K extends WeakKey
V

Methods

getOrInsertComputed

getOrInsertComputed(key: K, defaultValue: (key: K) => V): V
If key exists in the map, return the value associated with it. Otherwise, call defaultValue() to create a new value, insert that into the map under key, and return it.
Parameters
- key: K
- defaultValue: (key: K) => V
Returns V
- Defined in src/index.ts:67

remove

remove(key: K): Option<V>
If key exists in the map, remove the key/value pair from the map and return the removed value. Otherwise, return None.
Parameters
- key: K
Returns Option<V>
See
WeakMap.delete
- Defined in src/index.ts:75