rust/tests/ui/typeck/assign-non-lval-mut-ref.fixed

16 lines
445 B
Rust

//@ run-rustfix
fn main() {
let mut x = vec![1usize];
*x.last_mut().unwrap() = 2;
//~^ ERROR invalid left-hand side of assignment
*x.last_mut().unwrap() += 1;
//~^ ERROR binary assignment operation `+=` cannot be applied to type `&mut usize`
let y = x.last_mut().unwrap();
*y = 2;
//~^ ERROR mismatched types
*y += 1;
//~^ ERROR binary assignment operation `+=` cannot be applied to type `&mut usize`
}