32 lines
752 B
Rust
32 lines
752 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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#[derive(Debug, PartialEq)]
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struct Foo {
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x: u8,
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}
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pub fn main() {
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let mut foo = Foo {
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x: 1,
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};
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match &mut foo {
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Foo{x: n} => {
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*n += 1;
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},
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};
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assert_eq!(foo, Foo{x: 2});
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let Foo{x: n} = &foo;
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assert_eq!(*n, 2);
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}
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