>>>>> "E" == Eric Bennett <ericb / eb.to> writes:

E> Oh, that's what that mirror stuff was about - so you can seperate the
E> forward and reverse forms:

 Just define a constant

  class One
     Value = 1
     def +(x)
        Value + x
     end
     def -(x)
        Value - x
     end
     def coerce(x)
         [x, Value]
     end
  end

Guy Decoux