Function loop

packages/effect/test/Effect/stack-safety.test.ts:8–13

(n: number, acc: Effect.Effect<number>)

const deepMapEffect = (n: number): Effect.Effect<number> => {
  const loop = (n: number, acc: Effect.Effect<number>): Effect.Effect<number> => {
    if (n <= 0) {
      return acc
    }
    return Effect.suspend(() => loop(n - 1, pipe(acc, Effect.map((n) => n + 1))))
  }
  return loop(n, Effect.succeed(0))
}