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From: dewar@cs.nyu.edu (Robert Dewar)
Subject: Re: What's the point?
Date: 1996/08/10
Message-ID: <dewar.839732247@schonberg>#1/1
X-Deja-AN: 173466834
references: <32064473.59F6@freenet.scri.fsu.edu> <3209CDC8.8A4@comm.hq.af.mil>
organization: Courant Institute of Mathematical Sciences
newsgroups: comp.lang.ada
Date: 1996-08-10T00:00:00+00:00
List-Id: <comp.lang.ada>


The Quelisher said

"> If Ada95 allows dereferencing the ".all" call for pointer variables,
> then what's the point of even having a ".all" call in the first place?
> Is this a carryover from Ada83 or something?"

x.all is just like *x in C. The only difference is that in Ada you can
optionally omit the explicit deference if you select a component (e.g.
x.c can be used instead of x.all.c) or if you index an array (e.g.
x(a..b) can be used instead of x.all(a..b))