main: () -> int = {
    print_an_int("syzygy");
    print_an_int(1);
    print_an_int(1.1);
}

print_an_int: ( x: _ ) = {
    std::cout
        << std::setw(30) << cpp2::to_string(x)
        << " value is "
        << inspect x -> std::string {
            is int = std::to_string(x as int);
            is _   = "not an int";
        }
        << "\n";
}