1 files changed, 5 insertions, 2 deletions
diff --git a/types.hpp b/types.hpp
index ef540a93..02355d66 100644
--- a/types.hpp
+++ b/types.hpp
@@ -3,7 +3,10 @@
 
 #include <vector>
 #include "coretypes.hpp"
-#include "ast/ast.hpp"
+
+namespace AST {
+class Expr;
+}
 
 class TypeRef
 {
@@ -22,7 +25,7 @@ public:
     struct TagPointer {};
     TypeRef(TagPointer _, bool is_mut, TypeRef inner_type) {}
     struct TagSizedArray {};
-    TypeRef(TagSizedArray _, TypeRef inner_type, AST::Expr size) {}
+    TypeRef(TagSizedArray _, TypeRef inner_type, AST::Expr size);
     struct TagUnsizedArray {};
     TypeRef(TagUnsizedArray _, TypeRef inner_type) {}