Function run_function

example/use-with-bthread/bthread_executor.h:36–41

线程函数

 private:
  // 线程函数
  inline static void* run_function(void* args) noexcept {
    auto function = reinterpret_cast<MoveOnlyFunction<void(void)>*>(args);
    (*function)();
    delete function;
    return nullptr;
  }
};

// 使用bthread线程池的async