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From: franka@mmintl.UUCP (Frank Adams)
Newsgroups: comp.lang.c
Subject: Re: type-indexed arrays (was: enum - enum ?)
Message-ID: <2189@mmintl.UUCP>
Date: Mon, 15-Jun-87 16:38:08 EDT
Article-I.D.: mmintl.2189
Posted: Mon Jun 15 16:38:08 1987
Date-Received: Sun, 21-Jun-87 07:39:42 EDT
References: <139@starfire.UUCP> <516@haddock.UUCP> <20540@sun.uucp> <526@haddock.UUCP> <184@auvax.UUCP> <1226@crash.CTS.COM>
Reply-To: franka@mmintl.UUCP (Frank Adams)
Organization: Multimate International, E. Hartford, CT.
Lines: 24

In article <1226@crash.CTS.COM> ford@crash.CTS.COM (Michael "Ford" Ditto) writes:
|In article <184@auvax.UUCP> rwa@auvax.UUCP (Ross Alexander) writes:
|>I can think of only one little quibble with the above:  C arrays are
|>considered to begin with the zero'th element and end at the N-1'th
|>element, right?
|
|According to K&R's C Reference Manual, section 14.3:
|
|	"By definition, the subscript operator [] is interpreted in such a
|	way that  E1 [ E2 ]  is identical to  * ( (E1) + (E2) )."
|
|	int	demo[ -10 .. 10 ];
|...
|>Now, what is the value of the token 'demo' ?
|
|I think it should be the address of the FIRST element in demo (i.e.
|demo[-10]).

But this is incompatible with the quotation from K&R, above.  'demo' would
have to mean '&demo[0]' for this definition to work.
-- 

Frank Adams                           ihnp4!philabs!pwa-b!mmintl!franka
Ashton-Tate          52 Oakland Ave North         E. Hartford, CT 06108