Function update

update<V>(
updater: (oldValue: V) => Option.Option<V>,
): <K>(key: K) => (m: Map<K, V>) => Map<K, V>
Modifies or removes entry with the key, or does nothing if there isn't.
Type Parameters
- V
Parameters
- updater: (oldValue: V) => Option.Option<V>
  Function to map the value. When it returned None, the entry will be removed.
Returns <K>(key: K) => (m: Map<K, V>) => Map<K, V>
A new Map with the replaced entry, or as is if there isn't.
- Defined in src/map.ts:436