Method set_scheduler

include/exec/task.hpp:203–207

      template <scheduler _Scheduler>
      constexpr void set_scheduler(_Scheduler&& __sched)
        requires(__with_affinity)
      {
        this->__scheduler_ = static_cast<_Scheduler&&>(__sched);
      }

      template <class _ThisPromise>
      using promise_context_t = __default_task_context_impl;