| 136 | {} |
| 137 | |
| 138 | constexpr void __start_next() noexcept final |
| 139 | { |
| 140 | if (this->__iterator_ == this->__sentinel_) |
| 141 | { |
| 142 | STDEXEC::set_value(static_cast<_Receiver&&>(this->__rcvr_)); |
| 143 | } |
| 144 | else |
| 145 | { |
| 146 | STDEXEC_TRY |
| 147 | { |
| 148 | STDEXEC::start(__op_.__emplace_from( |
| 149 | STDEXEC::connect, |
| 150 | exec::set_next(this->__rcvr_, |
| 151 | exec::sequence(STDEXEC::schedule(this->__scheduler_), |
| 152 | __sender<_Iterator, _Sentinel>{this})), |
| 153 | __next_receiver_t{this})); |
| 154 | } |
| 155 | STDEXEC_CATCH_ALL |
| 156 | { |
| 157 | STDEXEC::set_error(static_cast<_Receiver&&>(this->__rcvr_), std::current_exception()); |
| 158 | } |
| 159 | } |
| 160 | } |
| 161 | |