| //@ run-pass |
| #![allow(unused_macros)] |
| macro_rules! foo { ($x:pat | $y:pat) => {} } // should be ok |
| macro_rules! bar { ($($x:pat)+ | $($y:pat)+) => {} } // should be ok |
| macro_rules! qux { ($x:pat, $y:pat) => {} } // should be ok |
| macro_rules! match_any { |
| ( $expr:expr , $( $( $pat:pat )|+ => $expr_arm:expr ),+ ) => { // should be ok |
| match $expr { |
| $( |
| $( $pat => $expr_arm, )+ |
| )+ |
| } |
| }; |
| } |
| |
| fn main() { |
| let result: Result<i64, i32> = Err(42); |
| let int: i64 = match_any!(result, Ok(i) | Err(i) => i.into()); |
| assert_eq!(int, 42); |
| } |