Function getOrSet

getOrSet<K, V>(map: Map<K, V>, key: K, defaultValue: (key: K) => V): V
Gets the value on map for the given key if it exists, otherwise sets [key] to defaultValue, returning the newly set value.
Type Parameters
- K
- V
Parameters
- map: Map<K, V>
- key: K
- defaultValue: (key: K) => V
Returns V
- Defined in util/map/map.ts:13