[rustc.git] / src / test / ui / unboxed-closures / unboxed-closures-borrow-conflict.rs

// Test that an unboxed closure that mutates a free variable will
// cause borrow conflicts.


fn main() {
    let mut x = 0;
    let f = || x += 1;
    let _y = x; //~ ERROR cannot use `x` because it was mutably borrowed
    f;
}
Commit	Line	Data
1a4d82fc JJ	1	// Test that an unboxed closure that mutates a free variable will
1a4d82fc JJ	2	// cause borrow conflicts.
223e47cc	3
b7449926 XL	4
b7449926 XL	5
223e47cc	6	fn main() {
c34b1796	7	let mut x = 0;
85aaf69f	8	let f = \|\| x += 1;
1a4d82fc	9	let _y = x; //~ ERROR cannot use `x` because it was mutably borrowed
b7449926	10	f;
223e47cc	11	}