lib/minjs/ecma262/st.rb in minjs-0.2.0 vs lib/minjs/ecma262/st.rb in minjs-0.2.1

@@ -277,13 +277,9 @@
         @cond = cond
         @then_st = then_st
         @else_st = else_st
       end
 
-      def deep_dup
-        self.class.new(@cond.deep_dup, @then_st.deep_dup, @else_st.deep_dup)
-      end
-
       def replace(from, to)
         if from .eql? @cond
           @cond = to
         elsif from .eql? @then_st
           @then_st = to