src/Pure/ML-Systems/polyml-4.0.ML

 end;
 
 
 (* restore old-style character / string functions *)
 
-fun ord s = Char.ord (String.sub (s, 0));
-val chr = str o Char.chr;
-val explode = (map str) o String.explode;
-val implode = String.concat;
+val ord = SML90.ord;
+val chr = SML90.chr;
+val explode = SML90.explode;
+val implode = SML90.implode;
 
 
 (*Note start point for timing*)
 fun startTiming() =
   let val CPUtimer = Timer.startCPUTimer();