code: def unsafe_peek(init):
      
      def peek(store, container, _stack=None):
          return init(*[ store.peek(attr, container, _stack=_stack) for attr in container ])
      return peek
docs: Deserialize all the attributes available in the container and pass them in the same order
      as they come in the container.
  
      This is a factory function; returns the actual `peek` routine.
  
      Arguments:
  
          init: type constructor.
  
      Returns:
  
          callable: deserializer (`peek` routine).