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29 lines
498 B
Rust
29 lines
498 B
Rust
struct Dog {
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cats_chased: usize,
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}
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impl Dog {
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pub fn chase_cat(&mut self) {
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let p: &'static mut usize = &mut self.cats_chased;
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//~^ ERROR lifetime may not live long enough
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*p += 1;
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}
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pub fn chase_cat_2(&mut self) {
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let p: &mut usize = &mut self.cats_chased;
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*p += 1;
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}
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}
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fn dog() -> Dog {
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Dog {
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cats_chased: 0
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}
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}
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fn main() {
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let mut d = dog();
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d.chase_cat();
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println!("cats_chased: {}", d.cats_chased);
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}
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