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1a4d82fc | 1 | // Copyright 2014 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 | ||
85aaf69f SL |
11 | #![feature(custom_attribute)] |
12 | ||
1a4d82fc JJ |
13 | macro_rules! test { ($nm:ident, |
14 | #[$a:meta], | |
15 | $i:item) => (mod $nm { #![$a] $i }); } | |
223e47cc | 16 | |
1a4d82fc JJ |
17 | test!(a, |
18 | #[cfg(qux)], | |
19 | pub fn bar() { }); | |
970d7e83 | 20 | |
1a4d82fc JJ |
21 | test!(b, |
22 | #[cfg(not(qux))], | |
23 | pub fn bar() { }); | |
223e47cc | 24 | |
1a4d82fc | 25 | #[qux] |
223e47cc | 26 | fn main() { |
1a4d82fc JJ |
27 | a::bar(); |
28 | //~^ ERROR failed to resolve. Use of undeclared type or module `a` | |
1a4d82fc | 29 | b::bar(); |
223e47cc | 30 | } |