26 lines
688 B
Rust
26 lines
688 B
Rust
|
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
|
||
|
|
// file at the top-level directory of this distribution and at
|
||
|
|
// http://rust-lang.org/COPYRIGHT.
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
||
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
||
|
|
// option. This file may not be copied, modified, or distributed
|
||
|
|
// except according to those terms.
|
||
|
|
|
||
|
|
pub fn increment(x: uint) -> uint {
|
||
|
|
x + 1
|
||
|
|
}
|
||
|
|
|
||
|
|
#[macro_export]
|
||
|
|
macro_rules! increment {
|
||
|
|
($x:expr) => ({
|
||
|
|
use $crate::increment;
|
||
|
|
increment($x)
|
||
|
|
})
|
||
|
|
}
|
||
|
|
|
||
|
|
fn main() {
|
||
|
|
assert_eq!(increment!(3), 4);
|
||
|
|
}
|