Ian Price <ianpric...@googlemail.com> skribis: >> Hello! >> >> Recently I faced neseserity to uniq list in Guile. Surprised, that I >> did not found ready solution, I decided to prepare it. > It's not really that common.
+1 (I’ve never needed it, FWIW.) > I wrote my own "uniq" (which is a terrible name unix has inflicted on > us) a long while back, and I think I've used it exactly once. By > contrast, I use shuffle (also not in the standard library) fairly > often, and I got that one shot down. > >> By analogy with sorting functions in `sort.c` I prepared >> `uniq.c`(attached, but unfinished patch, lacking proper documentation). >> But after I became curious, how slower would be Scheme version with >> (set-cdr!). To my test (random list of small integers) it is about twice >> as slow. >> >> Is Guile Mainline interested in these routines, and if yes, does in your >> opinion doubling execution speed worth resorting to C hacking? > Without an actual benchmark, no. Agreed. Ludo’.
