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From: David L Brown <dbrown@vigra.com>
Subject: Re: Warning: Religious naming convention discussion :-) [was: assign
 help!!]
Date: 1997/05/13
Message-ID: <osn2pz4d30.fsf@ted.vigra.com>#1/1
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References: <5kjvcv$evt@news.cis.nctu.edu.tw> <dewar.863365392@merv>
 <EA1I8o.HBD@world.std.com> <dewar.863448507@merv> <EA33qK.KtA@world.std.com>
 <dewar.863495951@merv>
Organization: VisiCom Laboratories, Inc.
Newsgroups: comp.lang.ada
Date: 1997-05-13T00:00:00+00:00
List-Id: <comp.lang.ada>


dewar@merv.cs.nyu.edu (Robert Dewar) writes:

> Bob Duff said

> <<I mean, by your reasoning, we shouldn't call Ada's arrays "arrays",
> because they might be confused with C arrays, which are a very low-level
> notion indeed!  ;-)  (And, by the way, I have no objection to a language>>

> Why are C arrays very low-level notions?
> I agree they are often used this way, but I don't see this from the standard.

Probably because the notation in C:

	foo[bar]

is semantically equivalent to

	*(foo + bar)

Since addition is commutative, array_name[42] is the same as
42[array_name].  The array notation is just shorthand for pointer
arithmetic.  Fortunately, you don't have to use it this way.

Dave Brown