// 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. #![feature(never_type)] #![feature(exhaustive_patterns)] mod private { pub struct Private { _bot: !, pub misc: bool, } pub const DATA: Option = None; } fn main() { match private::DATA { //~^ ERROR non-exhaustive patterns: `Some(Private { misc: true, .. })` not covered None => {} Some(private::Private { misc: false, .. }) => {} } }