1 // Copyright 2012 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // Test behavior of `?` macro _kleene op_ under the 2015 edition. Namely, it doesn't exist, even
12 // with the feature flag.
14 // gate-test-macro_at_most_once_rep
17 #![feature(macro_at_most_once_rep)]
20 ($(a)?) => {} //~ERROR expected `*` or `+`
24 ($(a),?) => {} //~ERROR expected `*` or `+`