main: () -> int = {
    vec: std::vector<std::string>
            = ("hello", "2022");

    for vec do (inout str) {
        len := decorate(str);
        print_it(str, len);
    }
}

decorate: (inout thing: _ ) -> int = {
    thing = "[" + thing + "]";
    return thing.ssize();
}

print_it: (x: _, len: _) =
    std::cout
        << ">> " << x
        << " - length "
        << len << "\n";