async_main.h

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#pragma once
#include <asyncpp/fire_and_forget.h>
#include <asyncpp/simple_dispatcher.h>
#include <asyncpp/task.h>
 
asyncpp::task<int> async_main(int argc, const char** argv);
//NOLINTNEXTLINE(misc-definitions-in-headers)
int main(int argc, const char** argv) {
    using asyncpp::eager_fire_and_forget_task;
    using asyncpp::simple_dispatcher;
    simple_dispatcher disp;
    std::pair<int, std::exception_ptr> result{-1, nullptr};
    disp.push([&]() {
        [](simple_dispatcher* disp, std::pair<int, std::exception_ptr>& result, int argc,
           const char** argv) -> eager_fire_and_forget_task<> {
            try {
                result.first = co_await async_main(argc, argv);
            } catch (...) {
                result.second = std::current_exception();
                result.first = -1;
            }
            disp->stop();
        }(&disp, result, argc, argv);
    });
    disp.run();
    if (result.second) std::rethrow_exception(result.second);
    return result.first;
}