| // Copyright 2012 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 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| // Test behavior of `?` macro _kleene op_ under the 2015 edition. Namely, it doesn't exist, even |
| // with the feature flag. |
| |
| // gate-test-macro_at_most_once_rep |
| // edition:2015 |
| |
| #![feature(macro_at_most_once_rep)] |
| |
| macro_rules! bar { |
| ($(a)?) => {} //~ERROR expected `*` or `+` |
| } |
| |
| macro_rules! baz { |
| ($(a),?) => {} //~ERROR expected `*` or `+` |
| } |
| |
| fn main() {} |
| |
