     return this 
   
   # auto reactivity 계열 
+  noReact: ()->
+    self = this
+    self.reactivity.clear() 
+    return self
+    
   consecution : ()->
     self = this
     self.reactivity.clear()


  when: (when_cfg)->        
    @_triggers.push when_cfg
      
  manual: (callback)->
    @pullOut callback
    
  pullOut: (callback)->
    self = this

  getStatus: ()-> @status
  setStatus: (@status)-> 
    @_trigging()
  
  
  _trigging: ()->
    self = this
