Interface ReduceByArity4

Callable

• __call<A, B>(f: (acc: B, value: A) => B, seed: B, by: (a: A) => PropertyKey | number, list: ReadonlyArray<A>): {}
• __call<A, B>(f: (acc: B, value: A) => B): ReduceByArity3<A, B>
• __call<A, B>(f: (acc: B, value: A) => B, seed: B): ReduceByArity2<A, B>
• __call<A, B>(f: (acc: B, value: A) => B, seed: B, by: (a: A) => PropertyKey): ReduceByArity1<A, B>

• Type parameters

  • A

  • B

  Parameters

  • f: (acc: B, value: A) => B

    • • (acc: B, value: A): B

      • Parameters

        • acc: B

        • value: A

        Returns B

  • seed: B

  • by: (a: A) => PropertyKey | number

    • • (a: A): PropertyKey | number

      • Parameters

        • a: A

        Returns PropertyKey | number

  • list: ReadonlyArray<A>

  Returns {}

  • [key: string]: B

• Type parameters

  • A

  • B

  Parameters

  • f: (acc: B, value: A) => B

    • • (acc: B, value: A): B

      • Parameters

        • acc: B

        • value: A

        Returns B

  Returns ReduceByArity3<A, B>

• Type parameters

  • A

  • B

  Parameters

  • f: (acc: B, value: A) => B

    • • (acc: B, value: A): B

      • Parameters

        • acc: B

        • value: A

        Returns B

  • seed: B

  Returns ReduceByArity2<A, B>

• Type parameters

  • A

  • B

  Parameters

  • f: (acc: B, value: A) => B

    • • (acc: B, value: A): B

      • Parameters

        • acc: B

        • value: A

        Returns B

  • seed: B

  • by: (a: A) => PropertyKey

    • • (a: A): PropertyKey

      • Parameters

        • a: A

        Returns PropertyKey

  Returns ReduceByArity1<A, B>