Function resource

Parameters

• initial: Acc

• project: ((acc: Acc, index: number) => Source<readonly [typeof NONE | Acc, Source<A, E>], E1>)

  • • (acc: Acc, index: number): Source<readonly [typeof NONE | Acc, Source<A, E>], E1>

    • Parameters

      • acc: Acc

      • index: number

      Returns Source<readonly [typeof NONE | Acc, Source<A, E>], E1>

• Optional cleanup: ((acc: Acc) => void)

  • • (acc: Acc): void

    • Parameters

      • acc: Acc

      Returns void