lib/soapy_cake/helper.rb in soapy_cake-1.20.0 vs lib/soapy_cake/helper.rb in soapy_cake-1.21.0

@@ -1,4 +1,5 @@
+# frozen_string_literal: true
 module SoapyCake
   module Helper
     def walk_tree(obj, key = nil, &block)
       return nil if obj == {}