rust/src/test/compile-fail/issue-3344.rs

enum thing = uint;
impl thing : cmp::Ord { //~ ERROR missing method `gt`
    pure fn lt(other: &thing) -> bool { *self < *other }
    pure fn le(other: &thing) -> bool { *self < *other }
    pure fn ge(other: &thing) -> bool { *self < *other }
}
fn main() {}