Class parallel_runner

example/cfg/parallel_runner.cpp:18–41

namespace cfg {
class parallel_runner : public ut::runner<> {
 public:
  using ut::runner<>::on;

  template <class... Ts>
  auto on(ut::events::test<Ts...> test) {
    std::clog << test.name << '\n';
    ut::runner<>::on(test);
  }

  [[nodiscard]] auto run() -> bool {
#if defined(__cpp_lib_parallel_algorithm)
    std::for_each(std::execution::par, std::cbegin(suites_), std::cend(suites_),
                  [&](const auto& suite) { suite.first(); });
#else
    std::for_each(std::cbegin(suites_), std::cend(suites_),
                  [&](const auto& suite) { suite.first(); });
#endif

    suites_.clear();

    return fails_ > 0;
  }
};
}  // namespace cfg

template <class... Ts>