1 files changed, 3 insertions, 0 deletions
diff --git a/src/types.hpp b/src/types.hpp
index f6a58d2a..4a596522 100644
--- a/src/types.hpp
+++ b/src/types.hpp
@@ -30,6 +30,9 @@ public:
     struct TagUnsizedArray {};
     TypeRef(TagUnsizedArray _, TypeRef inner_type) {}
 
+    struct TagArg {};
+    TypeRef(TagArg, ::std::string name) {}
+
     struct TagPath {};
     TypeRef(TagPath, AST::Path path) {}