// Copyright 2015 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. // Can't use unit struct as enum pattern // aux-build:empty-struct.rs #![feature(relaxed_adts)] extern crate empty_struct; use empty_struct::*; struct Empty2; enum E { Empty4 } // remove attribute after warning cycle and promoting warnings to errors fn main() { let e2 = Empty2; let e4 = E::Empty4; let xe2 = XEmpty2; let xe4 = XE::XEmpty4; match e2 { Empty2(..) => () //~ ERROR `Empty2` does not name a tuple variant or a tuple struct //~^ WARNING hard error } match xe2 { XEmpty2(..) => () //~ ERROR `XEmpty2` does not name a tuple variant or a tuple struct //~^ WARNING hard error } match e4 { E::Empty4(..) => () //~ ERROR `E::Empty4` does not name a tuple variant or a tuple struct //~^ WARNING hard error } match xe4 { XE::XEmpty4(..) => (), //~ ERROR `XE::XEmpty4` does not name a tuple variant or a tuple //~^ WARNING hard error _ => {}, } }