40 lines
1.0 KiB
Rust
40 lines
1.0 KiB
Rust
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// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![deny(unused_macros)]
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// Most simple case
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macro_rules! unused { //~ ERROR: unused macro definition
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() => {};
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}
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// Test macros created by macros
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macro_rules! create_macro {
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() => {
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macro_rules! m { //~ ERROR: unused macro definition
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() => {};
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}
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};
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}
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create_macro!();
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#[allow(unused_macros)]
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mod bar {
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// Test that putting the #[deny] close to the macro's definition
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// works.
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#[deny(unused_macros)]
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macro_rules! unused { //~ ERROR: unused macro definition
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() => {};
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}
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}
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fn main() {}
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