// Copyright 2012 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. struct X { x: (), } impl Drop for X { fn drop(&mut self) { println!("destructor runs"); } } enum double_option { some2(T,U), none2 } fn main() { let x = double_option::some2(X { x: () }, X { x: () }); match x { double_option::some2(ref _y, _z) => { }, //~^ ERROR cannot bind by-move and by-ref in the same pattern double_option::none2 => panic!() } }