mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-27 09:14:20 +00:00
18 lines
236 B
Rust
18 lines
236 B
Rust
// run-pass
|
|
|
|
pub fn increment(x: usize) -> usize {
|
|
x + 1
|
|
}
|
|
|
|
#[macro_export]
|
|
macro_rules! increment {
|
|
($x:expr) => ({
|
|
use $crate::increment;
|
|
increment($x)
|
|
})
|
|
}
|
|
|
|
fn main() {
|
|
assert_eq!(increment!(3), 4);
|
|
}
|