tests/ui/wrong-hashset-issue-42918.rs

   1 // run-pass
   2 //
   3 #![allow(dead_code)]
   4 // compile-flags: -O
   5
   6 use std::collections::HashSet;
   7
   8 #[derive(PartialEq, Debug, Hash, Eq, Clone, PartialOrd, Ord)]
   9 enum MyEnum {
  10     E0,
  11
  12     E1,
  13
  14     E2,
  15     E3,
  16     E4,
  17
  18     E5,
  19     E6,
  20     E7,
  21 }
  22
  23
  24 fn main() {
  25     use MyEnum::*;
  26     let s: HashSet<_> = [E4, E1].iter().cloned().collect();
  27     let mut v: Vec<_> = s.into_iter().collect();
  28     v.sort();
  29
  30     assert_eq!([E1, E4], &v[..]);
  31 }