thread_pool pool;

thread_pool::executor_type executor = pool.executor();

thread_pool pool;

// get an executor from the thread pool and use it to execute a task
// the executor is a temporary object
pool.executor().execute([]
{
  std::cout << "Hello, world!" << std::endl;
});

thread_pool_with_affinity pool;

// get an executor from the thread pool with affinity to CPU cores 2 and 3:
auto cores_two_and_three = pool.executor({2,3});

// create a task which is allowed to execute on either CPU cores 2 or 3, but nowhere else
cores_two_and_three.execute([]
{
  std::cout << "Hello, world from core " << sched_getcpu() << std::endl;
});