mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-30 10:45:18 +00:00
32 lines
430 B
Rust
32 lines
430 B
Rust
//@ 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[..]);
|
|
}
|