Function getOrCreateEntry

getOrCreateEntry<K, V>(
    map: MapTypes<K, V>,
    key: K,
    factory: Transformation<K, V>,
): V
If the given map contains an entry for the given key, returns its value, otherwise adds a new entry with the result of calling the given function, and returns that.
Type Parameters
- K
- V
Parameters
- map: MapTypes<K, V>
- key: K
- factory: Transformation<K, V>
Returns V
- Defined in src/map.ts:24