| 370 | {} |
| 371 | |
| 372 | void start() & noexcept |
| 373 | { |
| 374 | typename base_::frame_ const frame(*this); |
| 375 | STDEXEC_TRY |
| 376 | { |
| 377 | std::apply( |
| 378 | [&](auto&&... args) |
| 379 | { |
| 380 | std::invoke(static_cast<Initiation&&>(init_), |
| 381 | completion_handler<Signatures, Receiver>(*this), |
| 382 | static_cast<decltype(args)&&>(args)...); |
| 383 | }, |
| 384 | std::move(args_)); |
| 385 | } |
| 386 | STDEXEC_CATCH_ALL |
| 387 | { |
| 388 | if (!base_::ex_) |