Function mapOptionWithKey

mapOptionWithKey<K, V, W>(
mapper: (key: K) => (value: V) => Option.Option<W>,
): (m: Map<K, V>) => Map<K, W>
Transforms the Map with lossy conversion mapper.
Type Parameters
- K
- V
- W
Parameters
- mapper: (key: K) => (value: V) => Option.Option<W>
  Function to transform into W, but optional. If it returned None, the value will be dropped. Also the key will be passed to.
Returns (m: Map<K, V>) => Map<K, W>
A new transformed Map.
- Defined in src/map.ts:1175