// Copyright 2014 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // 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() { }