// Copyright 2016 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. fn main() { struct X { x: (), } let x = Some((X { x: () }, X { x: () })); match x { Some((y, ref z)) => {}, //~ ERROR E0009 None => panic!() } }