Path: utzoo!utgpu!water!watmath!clyde!att!pacbell!ames!amdcad!sun!pitstop!sundc!seismo!uunet!mcvax!enea!pvab!robert From: robert@pvab.UUCP (Robert Claeson) Newsgroups: comp.lang.c Subject: Re: Sets in C (?) :idea from PASCAL Message-ID: <299@pvab.UUCP> Date: 19 Aug 88 19:07:36 GMT References: <8808121452.AA14152@ucbvax.berkeley.edu> <594@philmds.UUCP> Organization: Statskonsult Programvaruhuset AB, Sweden Lines: 15 In article <594@philmds.UUCP>, leo@philmds.UUCP (Leo de Wit) writes: > In article <8808121452.AA14152@ucbvax.berkeley.edu> U23405@UICVM.BITNET writes: > >In PASCAL, there is a datatype called SET that (obviously) deals with sets. > >What I would like to know is whether anyone has tried to implement this > >datatype in C (either by a system header file or by typedefs). Any comments > >would be helpful. (And I mean *ANY* comments) > An obvious way to implement this in C could be using an (array of) > integer(s) and the logical operations &, |, ~, and ^ to perform > operations on these values. I recall there was a set datatype for C posted to comp.sources.something <= 1 1/2 year ago.