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// 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`
}
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