gistfile1.rs

trait Printable {
    fn print(&self) { println!("{:?}", *self) }
}

impl Printable for int {}

impl Printable for ~str {
    fn print(&self) { println(*self) }
}

impl Printable for bool {}

impl Printable for float {}

fn main() {
    1.print();
    (~"foo").print();
    true.print();
     3.14159.print();
}