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