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32 lines
737 B
Rust
32 lines
737 B
Rust
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// Copyright 2016 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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// Some traits can be derived for unions.
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#![feature(untagged_unions)]
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#[derive(
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Copy,
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)]
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union U {
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a: u8,
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b: u16,
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}
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impl Clone for U {
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fn clone(&self) -> Self { *self }
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}
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fn main() {
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let u = U { b: 0 };
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let u1 = u;
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let u2 = u.clone();
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}
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