Function make

packages/effect/test/Effect/interruption.test.ts:263–269

(deferred: Deferred.Deferred<void, never>)

      const latch1 = yield* (Deferred.make<void>())
      const latch2 = yield* (Deferred.make<void>())
      const make = (deferred: Deferred.Deferred<void, never>) => {
        return pipe(
          Deferred.succeed(deferred, void 0),
          Effect.zipRight(Effect.never),
          Effect.onInterrupt(() => Ref.update(ref, (n) => n + 1))
        )
      }
      const raced = yield* pipe(make(latch1), Effect.race(make(latch2)), Effect.fork)
      yield* pipe(Deferred.await(latch1), Effect.zipRight(Deferred.await(latch2)))
      yield* (Fiber.interrupt(raced))