Method enqueue_

include/exec/static_thread_pool.hpp:1234–1244

      }

      void enqueue_(task_base* op) const
      {
        if (thread_index_ < pool_.available_parallelism())
        {
          pool_.enqueue(*queue_, op, thread_index_);
        }
        else
        {
          pool_.enqueue(*queue_, op, constraints_);
        }
      }

      _static_thread_pool& pool_;
      remote_queue*        queue_;