28 lines
723 B
Rust
28 lines
723 B
Rust
// Copyright 2014 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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// pretty-expanded FIXME #23616
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pub fn increment(x: usize) -> usize {
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x + 1
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}
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#[macro_export]
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macro_rules! increment {
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($x:expr) => ({
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use $crate::increment;
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increment($x)
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})
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}
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fn main() {
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assert_eq!(increment!(3), 4);
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}
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