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Date: Thu, 06 Nov 2003 08:03:35 -0500
From: Hyman Rosen <hyrosen@mail.com>
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Subject: Re: Clause "with and use"
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Date: 2003-11-06T08:03:35-05:00
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Preben Randhol wrote:
> So what do you relaly mean?

I mean that an Ada program can contain
     with a, b, c, d;
     use  a, b, c, d;
and it may also contain
     with a, b, c, d;
     use  a,    c, d;
See <http://www.scism.sbu.ac.uk/law/Section2/chap4/s2c4p4.html>
for an example of the latter form. It contains
     with ADA.TEXT_IO, ADA.CALENDAR, ADA.CHARACTERS.LATIN_1;
     use  ADA.TEXT_IO, ADA.CHARACTERS.LATIN_1;

So upon seeing a with/use pair, I have to read it carefully to
see if the two lists are the same, and if they are not, try to
figure out why that may be.

I was contrasting this with the repetition Ada requires, for
example, at the end of a function, where you know that the
repeated name must match the subprogram name, so you don't
really have to think about it.