structure.rb in structure-0.28.2 vs structure.rb in structure-0.28.3

@@ -72,13 +72,15 @@
     private
 
     def attribute(name, &blk)
       name = name.to_s
       module_eval "def #{name}?; #{name}; end" if name.chomp!('?')
-      module_eval "def #{name}; @#{name} ||= _#{name}.freeze; end"
+      module_eval "def #{name}; return @#{name} if defined?(@#{name}); @#{name} = _#{name}.freeze; end"
       define_method("_#{name}", blk)
       private "_#{name}"
 
       @attribute_names << name
+
+      name.to_sym
     end
   end
 end