Function useSync

packages/effect/src/Context.ts:295–297

(this: Service<never, any>, f: (service: any) => A)

    return withFiber((fiber) => f(get(fiber.context, this)))
  },
  useSync<A>(this: Service<never, any>, f: (service: any) => A): Effect<A, never, never> {
    return withFiber((fiber) => exitSucceed(f(get(fiber.context, this))))
  }
}

const cacheKeys = new Set<string>()