Function child

packages/effect/test/Effect/concurrency.test.ts:69–77

(ref: Ref.Ref<boolean>)

  it.effect("daemon fiber is unsupervised", () =>
    Effect.gen(function*() {
      const child = (ref: Ref.Ref<boolean>) => {
        return withLatch((release) =>
          pipe(
            release,
            Effect.zipRight(Effect.never),
            Effect.ensuring(Ref.set(ref, true))
          )
        )
      }
      const ref = yield* (Ref.make(false))
      const fiber1 = yield* pipe(child(ref), Effect.forkDaemon, Effect.fork)
      const fiber2 = yield* (Fiber.join(fiber1))