[rustc.git] / src / test / ui / issues / issue-65131.rs

fn get_pair(_a: &mut u32, _b: &mut u32) {}

macro_rules! x10 {
    ($($t:tt)*) => {
        $($t)* $($t)* $($t)* $($t)* $($t)*
        $($t)* $($t)* $($t)* $($t)* $($t)*
    }
}

#[allow(unused_assignments)]
fn main() {
    let mut x = 1;

    get_pair(&mut x, &mut x);
    //~^ ERROR: cannot borrow `x` as mutable more than once at a time

    x10! { x10!{ x10!{ if x > 0 { x += 2 } else { x += 1 } } } }
}
Commit	Line	Data
ba9703b0 XL	1	fn get_pair(_a: &mut u32, _b: &mut u32) {}
	2
	3	macro_rules! x10 {
	4	($($t:tt)*) => {
	5	$($t)* $($t)* $($t)* $($t)* $($t)*
	6	$($t)* $($t)* $($t)* $($t)* $($t)*
	7	}
	8	}
	9
	10	#[allow(unused_assignments)]
	11	fn main() {
	12	let mut x = 1;
	13
	14	get_pair(&mut x, &mut x);
	15	//~^ ERROR: cannot borrow `x` as mutable more than once at a time
	16
	17	x10! { x10!{ x10!{ if x > 0 { x += 2 } else { x += 1 } } } }
	18	}