Function unionWithKey

unionWithKey<K, V>(combiner): ((left) => ((right) => Map<K, V>))
Combines two Maps into another one. If there are duplicate keys, their value will be merged with combiner.
Type Parameters
- K
- V
Parameters
- combiner: ((key) => ((left) => ((right) => V)))
  Function to merge left and right values where entries have duplicate key. Also the key will be passed to.
  - - (key): ((left) => ((right) => V))
    - Parameters
      key: K
      Returns ((left) => ((right) => V))
      (left): ((right) => V)
      Parameters
      left: V
      Returns ((right) => V)
      (right): V
      Parameters
      right: V
      Returns V
Returns ((left) => ((right) => Map<K, V>))
A new Map with entries came from both of them.
- - (left): ((right) => Map<K, V>)
  - Parameters
    - left: Map<K, V>
    Returns ((right) => Map<K, V>)
    - - (right): Map<K, V>
      - Parameters
        right: Map<K, V>
        Returns Map<K, V>
- Defined in src/map.ts:546

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