Function insertWith

insertWith<V>(combiner): (<K>(key) => ((value) => ((m) => Map<K, V>)))
Inserts a new entry with the key and value to the Map object immutably. If there is already an entry with the key, combiner will be called to merge their values.
Type Parameters
- V
Parameters
- combiner: ((newValue) => ((oldValue) => V))
  Function to merge values when found a duplicate key.
  - - (newValue): ((oldValue) => V)
    - Parameters
      newValue: V
      Returns ((oldValue) => V)
      (oldValue): V
      Parameters
      oldValue: V
      Returns V
Returns (<K>(key) => ((value) => ((m) => Map<K, V>)))
A new one with the inserted entry.
- - <K>(key): ((value) => ((m) => Map<K, V>))
  - Type Parameters
    - K
    Parameters
    - key: K
    Returns ((value) => ((m) => Map<K, V>))
    - - (value): ((m) => Map<K, V>)
      - Parameters
        value: V
        Returns ((m) => Map<K, V>)
        (m): Map<K, V>
        Parameters
        m: Map<K, V>
        Returns Map<K, V>
- Defined in src/map.ts:339

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