From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:13 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- .../macros/macro-pat2021-pattern-followed-by-or.rs | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 tests/ui/macros/macro-pat2021-pattern-followed-by-or.rs (limited to 'tests/ui/macros/macro-pat2021-pattern-followed-by-or.rs') diff --git a/tests/ui/macros/macro-pat2021-pattern-followed-by-or.rs b/tests/ui/macros/macro-pat2021-pattern-followed-by-or.rs new file mode 100644 index 000000000..b4be03aad --- /dev/null +++ b/tests/ui/macros/macro-pat2021-pattern-followed-by-or.rs @@ -0,0 +1,22 @@ +// 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! 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 | $y:pat_param) => {} } //~ ERROR `$x:pat` is followed by `|`, which is not allowed for `pat` fragments +macro_rules! match_any { + ( $expr:expr , $( $( $pat:pat)|+ => $expr_arm:pat),+ ) => { //~ ERROR `$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