29 lines
851 B
Rust
29 lines
851 B
Rust
// 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
|
|
// compile-flags: --edition=2015
|
|
|
|
#![feature(macro_at_most_once_rep)]
|
|
|
|
macro_rules! bar {
|
|
($(a)?) => {} //~ERROR expected `*` or `+`
|
|
}
|
|
|
|
macro_rules! baz {
|
|
($(a),?) => {} //~ERROR expected `*` or `+`
|
|
}
|
|
|
|
fn main() {}
|
|
|