Changes by: Aleksey Nogin (nogin at cs.caltech.edu)
Date: 1998-06-04 12:52:56 -0700 (Thu, 04 Jun 1998)
Revision: 2217
Log message:

      Efficiency
      

Changes	Path
+9 -0	metaprl/mllib/list_util.ml
+4 -0	metaprl/mllib/list_util.mli
+26 -18	metaprl/refiner/term_ds/term_ds.ml
+1 -0	metaprl/refiner/term_ds/term_ds.mli
+2 -3	metaprl/refiner/term_ds/term_subst_ds.ml