// Tests that we are able to distinguish when loans borrow different // anonymous fields of a tuple vs the same anonymous field. fn distinct_variant() { let mut y = (1, 2); let a = match y { (ref mut a, _) => a }; let b = match y { (_, ref mut b) => b }; *a += 1; *b += 1; } fn same_variant() { let mut y = (1, 2); let a = match y { (ref mut a, _) => a }; let b = match y { (ref mut b, _) => b //~ ERROR cannot borrow }; *a += 1; *b += 1; } fn main() { }