Function run

example/when_all.cpp:26–31

}

task<> run() {
    // co_spawn f1 & f2 & f3, and wait for them
    auto [r0, r1] = co_await all(f0(), f1(), f2());
    std::cout << "get the result of f0: " << r0 << "\n";
    std::cout << "get the result of f1: " << r1 << "\n";
}

int main() {
    io_context ctx;