From 64d98f8ee037282c35007b64c2649055c56af1db Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:03 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- .../macro-pat-pattern-followed-by-or-in-2021.rs | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 tests/ui/macros/macro-pat-pattern-followed-by-or-in-2021.rs (limited to 'tests/ui/macros/macro-pat-pattern-followed-by-or-in-2021.rs') diff --git a/tests/ui/macros/macro-pat-pattern-followed-by-or-in-2021.rs b/tests/ui/macros/macro-pat-pattern-followed-by-or-in-2021.rs new file mode 100644 index 000000000..f5a97eca2 --- /dev/null +++ b/tests/ui/macros/macro-pat-pattern-followed-by-or-in-2021.rs @@ -0,0 +1,20 @@ +// edition:2021 +#![allow(unused_macros)] +macro_rules! foo { ($x:pat | $y:pat) => {} } //~ ERROR `$x:pat` is followed by `|`, which is not allowed for `pat` fragments +macro_rules! bar { ($($x:pat)+ | $($y:pat)+) => {} } //~ ERROR `$x:pat` is followed by `|`, which is not allowed for `pat` fragments +macro_rules! qux { ($x:pat, $y:pat) => {} } // should be ok +macro_rules! match_any { + ( $expr:expr , $( $( $pat:pat )|+ => $expr_arm:expr ),+ ) => { //~ ERROR `$pat:pat` may be followed by `|`, which is not allowed for `pat` fragments + match $expr { + $( + $( $pat => $expr_arm, )+ + )+ + } + }; +} + +fn main() { + let result: Result = Err(42); + let int: i64 = match_any!(result, Ok(i) | Err(i) => i.into()); + assert_eq!(int, 42); +} -- cgit v1.2.3