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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: A few questions
Date: Tue, 03 Nov 2015 08:34:09 +0000
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Date: 2015-11-03T08:34:09+00:00
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"Randy Brukardt" <randy@rrsoftware.com> writes:

> "Simon Wright" <simon@pushface.org> wrote in message 
> news:ly611kmh1g.fsf@pushface.org...
> ...
>> I wrote the attached, using generalized iteration, which bears a
>> strong resemblance to the standard container iteration (the names
>> bear too strong a resemblance! but this way you can see the
>> commonality).
>
> I suspect you could have written this in a lot simpler
> fashion. Something similar to the Prime_Numbers iterator found in the
> ACATS foundation (F552A00, look in the support subdirectory,
> specifically
> http://www.ada-auth.org/cgi-bin/cvsweb.cgi/acats/support/f552a00.a)
> would be a starting point. (Thanks again to Brad Moore for creating
> this foundation and the associated ACATS tests to give all Ada
> implementers something to use as a correct example of iterators.)

Great pointer. Though I think the Date case would be a bit more
complicated, because you couldn't constrain a Date_Set by Times or
Durations.