add test: check_numassignref_ops
@@ -622,5 +622,15 @@ fn check_numassign_ops() {
assert_eq!(compute(1, 2), 1)
}
-// TODO test `NumAssignRef`, but even the standard numeric types don't
-// implement this yet. (see rust pr41336)
+#[test]
+fn check_numassignref_ops() {
+ fn compute<T: NumAssignRef + Copy>(mut x: T, y: &T) -> T {
+ x *= y;
+ x /= y;
+ x %= y;
+ x += y;
+ x -= y;
+ x
+ }
+ assert_eq!(compute(1, &2), 1)
+}
