39 lines
861 B
Rust
39 lines
861 B
Rust
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// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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//
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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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