3 #![feature(edition_macro_pats)]
4 #![deny(or_patterns_back_compat)]
5 #![allow(unused_macros)]
6 macro_rules! foo { ($x:pat2015 | $y:pat) => {} } //~ ERROR the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro
7 macro_rules! bar { ($($x:pat2015)+ | $($y:pat)+) => {} } //~ ERROR the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro
8 macro_rules! baz { ($x:pat2015 | $y:pat2015) => {} } // should be ok
9 macro_rules! qux { ($x:pat2015 | $y:pat) => {} } // should be ok
10 macro_rules! ogg { ($x:pat2015 | $y:pat2015) => {} } //~ ERROR the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro
11 macro_rules! match_any {
12 ( $expr:expr , $( $( $pat:pat2015 )|+ => $expr_arm:expr ),+ ) => { //~ ERROR the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro
15 $( $pat => $expr_arm, )+
22 let result: Result<i64, i32> = Err(42);
23 let int: i64 = match_any!(result, Ok(i) | Err(i) => i.into());