Function alter

alter<V>(
updater: (oldEntry: Option.Option<V>) => Option.Option<V>,
): <K extends string>(key: K) => (m: Record<K, V>) => Record<K, V>
Type Parameters
- V
Parameters
- updater: (oldEntry: Option.Option<V>) => Option.Option<V>
Returns <K extends string>(key: K) => (m: Record<K, V>) => Record<K, V>
- Defined in src/record.ts:285