lib/modern/struct.rb in modern-0.4.6 vs lib/modern/struct.rb in modern-0.5.0

@@ -16,10 +16,12 @@
       def copy(fields = {})
         self.class[self.class.attribute_names.map { |n| [n, self[n]] }.to_h.merge(fields)]
       end
     end
 
-    constructor_type :strict_with_defaults
+    transform_types do |type|
+      type.constructor { |value| value.nil? ? Undefined : value  }
+    end
 
     include Copy
   end
 end