     __with: (item, fn) ->
       element = null
 
-      item = Observable.(item)
+      item = Observable(item)
 
       item.observe (newValue) ->
         replace element, newValue

      node.nodeValue = value
      return

    observable = Observable.(value)

    update = (newValue) ->
      node.nodeValue = newValue

      update(value)
      return

    observable = Observable(value)

    observable.observe update

