diff --git a/includes/std/core.pat b/includes/std/core.pat
index 11215e2..46de6eb 100644
--- a/includes/std/core.pat
+++ b/includes/std/core.pat
@@ -54,4 +54,8 @@ namespace std::core {
         return builtin::std::core::has_member(pattern, name);  
     };
 
+    fn formatted_value(auto pattern) {
+        return builtin::std::core::formatted_value(pattern);
+    };
+
 }