method_missing for Enumerator

What do others think of this for 1.9+?

  class Enumerable::Enumerator
    def method_missing(sym,*args,&blk)
      each{ |x| x.send(sym,*args,&blk) }
    end
  end

Seems safe enough to me. Am I right in thinking this? Yes, there is
some potential for uncaught NoMethodErrors, of course, but given the
nature of this, that should be pretty rare.

The benefit is a number of nice conveniences, eg.

  [1,2,3].map + 3   => [4,5,6]

  [1,2,3].select > 2   => [3]

  [1,2,3].reject > 1   => [1]

  [1,2,3].find > 1     => 2

T.