rust/tests/ui/borrowck/immutable-arg.rs

fn foo(_x: u32) {
    _x = 4;
    //~^ ERROR cannot assign to immutable argument `_x`
}

fn main() {}
Assignment to immutable argument: diagnostic tweak 2018-01-07 17:02:26 -08:00			`fn foo(_x: u32) {`
			`_x = 4;`
Update tests 2019-05-02 18:34:15 -04:00			//~^ ERROR cannot assign to immutable argument `_x`
Assignment to immutable argument: diagnostic tweak 2018-01-07 17:02:26 -08:00			`}`

			`fn main() {}`