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-rw-r--r--tests/ui/or-patterns/macro-pat.rs41
1 files changed, 41 insertions, 0 deletions
diff --git a/tests/ui/or-patterns/macro-pat.rs b/tests/ui/or-patterns/macro-pat.rs
new file mode 100644
index 000000000..20d8f84c2
--- /dev/null
+++ b/tests/ui/or-patterns/macro-pat.rs
@@ -0,0 +1,41 @@
+// run-pass
+// edition:2021
+
+use Foo::*;
+
+#[allow(dead_code)]
+#[derive(Eq, PartialEq, Debug)]
+enum Foo {
+ A(u64),
+ B(u64),
+ C,
+ D,
+}
+
+macro_rules! foo {
+ ($orpat:pat, $val:expr) => {
+ match $val {
+ x @ ($orpat) => x, // leading vert would not be allowed in $orpat
+ _ => B(0xDEADBEEFu64),
+ }
+ };
+}
+
+macro_rules! bar {
+ ($orpat:pat, $val:expr) => {
+ match $val {
+ $orpat => 42, // leading vert allowed here
+ _ => 0xDEADBEEFu64,
+ }
+ };
+}
+
+fn main() {
+ // Test or-pattern.
+ let y = foo!(A(_)|B(_), A(32));
+ assert_eq!(y, A(32));
+
+ // Leading vert in or-pattern.
+ let y = bar!(|C| D, C);
+ assert_eq!(y, 42u64);
+}