12 lines
197 B
Rust
12 lines
197 B
Rust
//@ run-pass
|
|
macro_rules! id {
|
|
($s: pat) => ($s);
|
|
}
|
|
|
|
fn main() {
|
|
match (Some(123), Some(456)) {
|
|
(id!(Some(a)), _) | (_, id!(Some(a))) => println!("{}", a),
|
|
_ => (),
|
|
}
|
|
}
|