1 files changed, 15 insertions, 0 deletions
diff --git a/third_party/rust/extend/tests/compile_pass/generics.rs b/third_party/rust/extend/tests/compile_pass/generics.rs
new file mode 100644
index 0000000000..4c56b14677
--- /dev/null
+++ b/third_party/rust/extend/tests/compile_pass/generics.rs
@@ -0,0 +1,15 @@
+use extend::ext;
+
+#[ext]
+impl<'a, T: Clone> Vec<&'a T>
+where
+    T: 'a + Copy,
+{
+    fn size(&self) -> usize {
+        self.len()
+    }
+}
+
+fn main() {
+    assert_eq!(3, vec![&1, &2, &3].size());
+}