Function mapKeysWith

mapKeysWith<V>(
combiner: (newValue: V) => (oldValue: V) => V,
): <K1, K2>(mapper: (key: K1) => K2) => (m: Map<K1, V>) => Map<K2, V>
Transforms the Map with replacing keys. If there duplicate keys on replaced, combiner will be called to merge their value.
Type Parameters
- V
Parameters
- combiner: (newValue: V) => (oldValue: V) => V
  Function to merge values with duplicate keys.
Returns <K1, K2>(mapper: (key: K1) => K2) => (m: Map<K1, V>) => Map<K2, V>
A new Map with new keys.
- Defined in src/map.ts:920