| // Copyright 2012 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 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| struct dog { |
| cats_chased: usize, |
| } |
| |
| impl dog { |
| pub fn chase_cat(&mut self) { |
| let p: &'static mut usize = &mut self.cats_chased; //~ ERROR cannot infer |
| *p += 1; |
| } |
| |
| pub fn chase_cat_2(&mut self) { |
| let p: &mut usize = &mut self.cats_chased; |
| *p += 1; |
| } |
| } |
| |
| fn dog() -> dog { |
| dog { |
| cats_chased: 0 |
| } |
| } |
| |
| fn main() { |
| let mut d = dog(); |
| d.chase_cat(); |
| println!("cats_chased: {}", d.cats_chased); |
| } |