lib/windcharger/attributes.rb in windcharger-0.3.0 vs lib/windcharger/attributes.rb in windcharger-0.4.0

@@ -1,8 +1,10 @@
+# frozen_string_literal: true
+
 module Windcharger
   module Attributes
     def attributes
-      @__attributes || []
+      (@__attributes || []).dup.freeze
     end
 
     private
 
     def __windcharger_add_attribute name