// Copyright 2017 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. #[derive(Debug, PartialEq)] struct Foo { x: u8, } pub fn main() { let mut foo = Foo { x: 1, }; match &mut foo { Foo{x: n} => { *n += 1; }, }; assert_eq!(foo, Foo{x: 2}); let Foo{x: n} = &foo; assert_eq!(*n, 2); }