Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 24 insertions, 0 deletions

diff --git a/src/test/ui/empty-type-parameter-list.rs b/src/test/ui/empty-type-parameter-list.rs
new file mode 100644
index 000000000..e168cd03b
--- /dev/null
+++ b/src/test/ui/empty-type-parameter-list.rs
@@ -0,0 +1,24 @@
+// run-pass
+// Test that empty type parameter list (<>) is synonymous with
+// no type parameters at all
+
+struct S<>;
+trait T<> {}
+enum E<> { V }
+impl<> T<> for S<> {}
+impl T for E {}
+fn foo<>() {}
+fn bar() {}
+
+fn main() {
+    let _ = S;
+    let _ = S::<>;
+    let _ = E::V;
+    let _ = E::<>::V;
+    foo();
+    foo::<>();
+
+    // Test that we can supply <> to non generic things
+    bar::<>();
+    let _: i32<>;
+}