explicit type()

in include/unifex/stop_when.hpp [174:182]


      explicit type(
          Source&& source,
          Trigger&& trigger,
          Receiver2&& receiver)
          noexcept(is_nothrow_connectable_v<Source, source_receiver> &&
                   is_nothrow_connectable_v<Trigger, trigger_receiver> &&
                   std::is_nothrow_constructible_v<Receiver, Receiver2>)
        : receiver_((Receiver2 &&) receiver)
        , sourceOp_(unifex::connect((Source &&) source, source_receiver{this}))