| 236 | } |
| 237 | |
| 238 | virtual var return_value() const |
| 239 | { |
| 240 | if (state == fiber_state::finished) |
| 241 | return ret_val; |
| 242 | else |
| 243 | throw lang_error("Fiber has not yet started or ended."); |
| 244 | } |
| 245 | }; |
| 246 | |
| 247 | fiber_t create(const context_t &cxt, std::function<var()> f) |