Function differenceWithKey

differenceWithKey<K, V1, V2>(combiner): ((left) => ((right) => Map<K, V1>))
Makes a difference left - right immutably like difference, but you can replace the element instead of removing.
Type Parameters
- K
- V1
- V2 = V1
Parameters
- combiner: ((key) => ((leftValue) => ((rightValue) => Option<V1>)))
  Function to determine how the item to be updated. Values related to the key in left and right will be passed to this. Also the key will be passed to.
  - - (key): ((leftValue) => ((rightValue) => Option<V1>))
    - Parameters
      key: K
      Returns ((leftValue) => ((rightValue) => Option<V1>))
      (leftValue): ((rightValue) => Option<V1>)
      Parameters
      leftValue: V1
      Returns ((rightValue) => Option<V1>)
      (rightValue): Option<V1>
      Parameters
      rightValue: V2
      Returns Option<V1>
Returns ((left) => ((right) => Map<K, V1>))
A new Map with the entries merged by combiner.
- - (left): ((right) => Map<K, V1>)
  - Parameters
    - left: Map<K, V1>
    Returns ((right) => Map<K, V1>)
    - - (right): Map<K, V1>
      - Parameters
        right: Map<K, V2>
        Returns Map<K, V1>
- Defined in src/map.ts:621

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