Newsgroups: comp.lang.c
Path: utzoo!henry
From: henry@utzoo.uucp (Henry Spencer)
Subject: Re: How to do sets?
Message-ID: <1989Mar15.164848.21512@utzoo.uucp>
Organization: U of Toronto Zoology
References: <518taylorj@yvax.byu.edu>
Date: Wed, 15 Mar 89 16:48:48 GMT

In article <518taylorj@yvax.byu.edu> taylorj@yvax.byu.edu writes:
>Is there a way to do sets in C (like in Pascal)?  That is, check for set
>inclusion (char in ["0".."9"]), and perform unions and intersections.  And the
>answer is not "use bitwise operators," I already know how to do that and would
>rather not if there's an easier way, especially with large sets requiring 32
>bytes or more.

Why are you averse to bitwise operators?  That's how Pascal sets are almost
invariably implemented.  One can write C preprocessor macros that cover up
the details in somewhat the same way that Pascal does.
-- 
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