1 use std::ops::AddAssign;
5 impl AddAssign for Int {
6 fn add_assign(&mut self, _: Int) {
13 x //~ error: use of moved value: `x`
14 //~^ value used here after move
16 x; //~ value moved here
19 //~^ HELP make this binding mutable
21 y //~ error: cannot borrow immutable local variable `y` as mutable