examples/turing.rb in dslkit-0.2.10 vs examples/turing.rb in dslkit-0.2.11

@@ -167,16 +167,16 @@
       end
     end
   end
 
   class BaseMachine
-    def initialize(program = nil)
+    def initialize(program = nil, &block)
       @states = []
       if program
         block_given? and raise "use either program source string or a block"
         interpret program
       else
-        instance_eval(&Proc.new)
+        instance_eval(&block)
       end
     end
 
     def step(*tapes)
       @stepping = true