Function loop

Source/Common/Utils.cpp:170–194

}

std::function<bool(double)> loop(const std::function<Job()>& work) {
	auto co = std::make_shared<std::optional<Job>>();
	return std::function<bool(double)>([co, work](double) {
		if (!*co) {
			*co = work();
			const auto& coroutine = co->value();
			if (coroutine.promise().value || coroutine.done()) {
				return true;
			}
		} else {
			const auto& coroutine = co->value();
			coroutine.resume();
			if (coroutine.promise().exception) {
				std::rethrow_exception(coroutine.promise().exception);
			}
			if (coroutine.promise().value) {
				return true;
			}
			if (coroutine.done()) {
				*co = std::nullopt;
			}
		}
		return false;
	});
}

void thread(const std::function<Job()>& work) {
	SharedDirector.getScheduler()->schedule(once(work));