|  | //@ run-rustfix | 
|  | //@ aux-build:or-pattern.rs | 
|  |  | 
|  | #![deny(rust_2021_incompatible_or_patterns)] | 
|  | #![allow(unused_macros)] | 
|  |  | 
|  | #[macro_use] | 
|  | extern crate or_pattern; | 
|  |  | 
|  | macro_rules! foo { ($x:pat_param | $y:pat) => {} } | 
|  | //~^ ERROR the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro | 
|  | //~| WARN this is accepted in the current edition | 
|  | macro_rules! bar { ($($x:pat_param)+ | $($y:pat)+) => {} } | 
|  | //~^ ERROR the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro | 
|  | //~| WARN this is accepted in the current edition | 
|  |  | 
|  | macro_rules! baz { ($x:pat_param | $y:pat_param) => {} } // should be ok | 
|  | macro_rules! qux { ($x:pat_param | $y:pat) => {} } // should be ok | 
|  | macro_rules! ogg { ($x:pat_param | $y:pat_param) => {} } | 
|  | //~^ ERROR the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro | 
|  | //~| WARN this is accepted in the current edition | 
|  | macro_rules! match_any { | 
|  | ( $expr:expr , $( $( $pat:pat_param )|+ => $expr_arm:expr ),+ ) => { | 
|  | //~^ ERROR the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro | 
|  | //~| WARN this is accepted in the current edition | 
|  | 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); | 
|  | a!(1|); | 
|  | } |