Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!decwrl!bacchus.pa.dec.com!shlump.nac.dec.com!tkou02.enet.dec.com!diamond
From: diamond@tkou02.enet.dec.com (diamond@tkovoa)
Newsgroups: comp.lang.c
Subject: Re: typedef enum as subset of another enum
Keywords: typedef, enum
Message-ID: <1827@tkou02.enet.dec.com>
Date: 30 Jun 90 03:37:37 GMT
References: <1256@metaphor.Metaphor.COM>
Reply-To: diamond@tkou02.enet.dec.com (diamond@tkovoa)
Distribution: na
Organization: Digital Equipment Corporation Japan , Tokyo
Lines: 14

In article <1256@metaphor.Metaphor.COM> barry@lizard.metaphor.com (Barry Friedman) writes:

>I want to create two enumerated types, one being a subset of the
>other, something like this:
>typedef enum { a, b, c, d, e } Set;  /* This defines the full set */
>typedef enum { b, c, d } SubSet;     /* This is a subset of above */

typedef enum { a, b, c, d, e } Set;  /* This defines the full set and more */
typedef Set SubSet;                  /* This does too                      */
If you want subranges (such as limiting Set to the range a..e, let alone
what you want to do to SubSet), then you have to use another language.
-- 
Norman Diamond, Nihon DEC     diamond@tkou02.enet.dec.com
This is me speaking.  If you want to hear the company speak, you need DECtalk.