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//@ run-pass
#[derive(PartialEq, Eq, PartialOrd, Ord)]
struct S<T> {
x: T,
y: T
}
pub fn main() {
let s1 = S {x: 1, y: 1};
let s2 = S {x: 1, y: 2};
// in order for both PartialOrd and Ord
let ss = [s1, s2];
for (i, s1) in ss.iter().enumerate() {
for (j, s2) in ss.iter().enumerate() {
let ord = i.cmp(&j);
let eq = i == j;
let lt = i < j;
let le = i <= j;
let gt = i > j;
let ge = i >= j;
// PartialEq
assert_eq!(*s1 == *s2, eq);
assert_eq!(*s1 != *s2, !eq);
// PartialOrd
assert_eq!(*s1 < *s2, lt);
assert_eq!(*s1 > *s2, gt);
assert_eq!(*s1 <= *s2, le);
assert_eq!(*s1 >= *s2, ge);
// Ord
assert_eq!(s1.cmp(s2), ord);
}
}
}
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