src/test/ui/regions/regions-addr-of-self.rs

   1 struct Dog {
   2     cats_chased: usize,
   3 }
   4
   5 impl Dog {
   6     pub fn chase_cat(&mut self) {
   7         let p: &'static mut usize = &mut self.cats_chased;
   8         //~^ ERROR lifetime may not live long enough
   9         *p += 1;
  10     }
  11
  12     pub fn chase_cat_2(&mut self) {
  13         let p: &mut usize = &mut self.cats_chased;
  14         *p += 1;
  15     }
  16 }
  17
  18 fn dog() -> Dog {
  19     Dog {
  20         cats_chased: 0
  21     }
  22 }
  23
  24 fn main() {
  25     let mut d = dog();
  26     d.chase_cat();
  27     println!("cats_chased: {}", d.cats_chased);
  28 }