summaryrefslogtreecommitdiffstats
path: root/tests/ui/macros/macro-pat2021-pattern-followed-by-or.rs
diff options
context:
space:
mode:
Diffstat (limited to 'tests/ui/macros/macro-pat2021-pattern-followed-by-or.rs')
-rw-r--r--tests/ui/macros/macro-pat2021-pattern-followed-by-or.rs22
1 files changed, 22 insertions, 0 deletions
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<i64, i32> = Err(42);
+ let int: i64 = match_any!(result, Ok(i) | Err(i) => i.into());
+ assert_eq!(int, 42);
+}