Function mapKeysWith

mapKeysWith<V>(combiner): (<K1, K2>(mapper) => ((m) => 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) => ((oldValue) => V))
  Function to merge values with duplicate keys.
  - - (newValue): ((oldValue) => V)
    - Parameters
      newValue: V
      Returns ((oldValue) => V)
      (oldValue): V
      Parameters
      oldValue: V
      Returns V
Returns (<K1, K2>(mapper) => ((m) => Map<K2, V>))
A new Map with new keys.
- - <K1, K2>(mapper): ((m) => Map<K2, V>)
  - Type Parameters
    - K1
    - K2
    Parameters
    - mapper: ((key) => K2)
      (key): K2
      Parameters
      key: K1
      Returns K2
    Returns ((m) => Map<K2, V>)
    - - (m): Map<K2, V>
      - Parameters
        m: Map<K1, V>
        Returns Map<K2, V>
- Defined in src/map.ts:906

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