Function retrieve

packages/effect/test/ScopedCache.test.ts:622–626

(multiplier: Ref.Ref<number>)

    Effect.gen(function*() {
      const inc = (n: number) => n * 10
      const retrieve = (multiplier: Ref.Ref<number>) => (key: number) =>
        pipe(
          Ref.updateAndGet(multiplier, inc),
          Effect.map((multiplier) => key * multiplier)
        )
      const seed = 1
      const key = 123
      const ref = yield* (Ref.make(seed))