expanded class EIF_STUFF
--
-- To simulate `eif_adopt' and `eif_wean' from ETL.
--
feature
   
   adopted: FAST_ARRAY[ANY] is
      once
         create Result.with_capacity(16)
      end
   
   adopt(object: ANY) is
         -- A reference to object is stored in `adopted' to avoid
         -- it's collection at GC time.
      do
         if not adopted.fast_has(object) then
            adopted.add_last(object)
         end
      end
   
   wean(object: ANY) is
         -- Remove the reference to `object' in adopted.
      local
         i: INTEGER
      do
         i := adopted.fast_index_of(object)
         if adopted.valid_index(i) then
            adopted.put(Void,i)
            adopted.put(adopted.last,i)
            adopted.remove_last
         end
      end
   
end

