gistfile1.txt

pub pure fn get_default_ref<T>(opt: &r/Option<T>, def: &r/T) -> &r/T {
    match *opt {
        Some(ref x) => x,
        None => def
    }
}

fn main() {
    match os::homedir() {
        None => {
            io::println("You have no home folder :-(");
        }
        Some(ref homedir) => {
            io::println("Files in your home folder:");
            for os::list_dir_path(homedir).each |path| {
                let name = &path.filename();
                let default = &~"?";
                io::println(*get_default_ref(name, default));
            }
        }
    }
}