1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
//
// 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[..]);
}
|