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1 | // Copyright 2017 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. | |
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 | ||
11 | #![deny(unused_macros)] | |
12 | ||
13 | // Most simple case | |
14 | macro_rules! unused { //~ ERROR: unused macro definition | |
15 | () => {}; | |
16 | } | |
17 | ||
18 | // Test macros created by macros | |
19 | macro_rules! create_macro { | |
20 | () => { | |
21 | macro_rules! m { //~ ERROR: unused macro definition | |
22 | () => {}; | |
23 | } | |
24 | }; | |
25 | } | |
26 | create_macro!(); | |
27 | ||
28 | #[allow(unused_macros)] | |
29 | mod bar { | |
30 | // Test that putting the #[deny] close to the macro's definition | |
31 | // works. | |
32 | ||
33 | #[deny(unused_macros)] | |
34 | macro_rules! unused { //~ ERROR: unused macro definition | |
35 | () => {}; | |
36 | } | |
37 | } | |
38 | ||
39 | fn main() {} |