// Copyright 2017 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. // compile-pass mod my_mod { #[derive(Clone, Copy, Eq, PartialEq, PartialOrd, Ord, Hash)] pub struct Name<'a> { source: &'a str, } pub const JSON: Name = Name { source: "JSON" }; } pub fn crash() -> bool { match (my_mod::JSON, None) { (_, Some(my_mod::JSON)) => true, (my_mod::JSON, None) => true, _ => false, } } fn main() {}