src/test/ui/macros/macro-or-patterns-back-compat.fixed

   1 // run-rustfix
   2
   3 #![deny(or_patterns_back_compat)]
   4 #![allow(unused_macros)]
   5 macro_rules! foo { ($x:pat_param | $y:pat) => {} } //~ ERROR the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro
   6 macro_rules! bar { ($($x:pat_param)+ | $($y:pat)+) => {} } //~ ERROR the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro
   7 macro_rules! baz { ($x:pat_param | $y:pat_param) => {} } // should be ok
   8 macro_rules! qux { ($x:pat_param | $y:pat) => {} } // should be ok
   9 macro_rules! ogg { ($x:pat_param | $y:pat_param) => {} } //~ ERROR the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro
  10 macro_rules! match_any {
  11     ( $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
  12         match $expr {
  13             $(
  14                 $( $pat => $expr_arm, )+
  15             )+
  16         }
  17     };
  18 }
  19
  20 fn main() {
  21     let result: Result<i64, i32> = Err(42);
  22     let int: i64 = match_any!(result, Ok(i) | Err(i) => i.into());
  23     assert_eq!(int, 42);
  24 }