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8bb4bdeb | 1 | // Copyright 2017 The Rust Project Developers. See the COPYRIGHT |
223e47cc LB |
2 | // file at the top-level directory of this distribution and at |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
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. | |
10 | ||
83c7162d | 11 | // compile-pass |
ff7c6d11 | 12 | |
3b2f2976 | 13 | #![warn(unused)] |
041b39d2 | 14 | |
3b2f2976 XL |
15 | macro_rules! m { |
16 | ($a:tt $b:tt) => { | |
ff7c6d11 | 17 | $b $a; //~ WARN struct is never used |
3b2f2976 XL |
18 | } |
19 | } | |
20 | ||
21 | fn main() { | |
22 | m!(S struct); | |
223e47cc | 23 | } |