| //@ run-pass | |
| // | |
| #![allow(dead_code)] | |
| //@ compile-flags: -O | |
| use std::collections::HashSet; | |
| #[derive(PartialEq, Debug, Hash, Eq, Clone, PartialOrd, Ord)] | |
| enum MyEnum { | |
| E0, | |
| E1, | |
| E2, | |
| E3, | |
| E4, | |
| E5, | |
| E6, | |
| E7, | |
| } | |
| fn main() { | |
| use MyEnum::*; | |
| let s: HashSet<_> = [E4, E1].iter().cloned().collect(); | |
| let mut v: Vec<_> = s.into_iter().collect(); | |
| v.sort(); | |
| assert_eq!([E1, E4], &v[..]); | |
| } |