Fix generics with multiple impl trait in a row

1 files changed, 26 insertions, 0 deletions

diff --git a/tests/10-multiple-traits-with-generics.rs b/tests/10-multiple-traits-with-generics.rs
new file mode 100644
index 0000000..f302f11
--- /dev/null
+++ b/tests/10-multiple-traits-with-generics.rs
@@ -0,0 +1,26 @@
+// Checks that multiple `impl trait` in a row are valid, with generics.
+
+use impl_trait::impl_trait;
+
+struct Foo<T>(T);
+trait Bar {
+}
+trait Baz {
+}
+
+impl_trait! {
+    impl<T> Foo<T> {
+        impl trait Bar {
+        }
+        impl trait Baz {
+        }
+    }
+}
+
+fn static_assert_1<T: Bar>(_t: T) {}
+fn static_assert_2<T: Baz>(_t: T) {}
+
+fn main() {
+    static_assert_1(Foo(()));
+    static_assert_2(Foo(()));
+}