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// run-rustfix
#![deny(or_patterns_back_compat)]
#![allow(unused_macros)]
macro_rules! foo { ($x:pat | $y:pat) => {} }
//~^ ERROR the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro
//~| WARN this was previously accepted
macro_rules! bar { ($($x:pat)+ | $($y:pat)+) => {} }
//~^ ERROR the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro
//~| WARN this was previously accepted
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 | $y:pat_param) => {} }
//~^ ERROR the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro
//~| WARN this was previously accepted
macro_rules! match_any {
( $expr:expr , $( $( $pat:pat )|+ => $expr_arm:expr ),+ ) => {
//~^ ERROR the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro
//~| WARN this was previously accepted
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);
}
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