--Unmarshall the @out@ arguments.

unmarshallVariants0 p 
      = readVariants0 p `always` freeMemVariants 0 p
unmarshallVariants0 p 
      = readVariants0 p `always` freeMemVariants 0 p
unmarshallVariants0 p 
      = readVariants0 p `always` freeMemVariants 0 p