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From: "Randy Brukardt" <randy@rrsoftware.com>
Newsgroups: comp.lang.ada
Subject: Re: Ceate a set (type?) of list of integers that varies at run time
Date: Sat, 27 Jan 2018 01:20:00 -0600
Organization: JSA Research & Innovation
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Date: 2018-01-27T01:20:00-06:00
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"Mace Ayres" <mace.ayres@gmail.com> wrote in message 
news:d49808d6-8717-4a3e-ae09-c4b12eb787a5@googlegroups.com...
...
>Can I have a range that is not a continuous series of integers, NOT 1..9 
>but 1,2,5,6,7,9
>and then some different subset of 1..9 the next time. Recalculating a new 
>set
> Columns_to_check for each outer loop of rows?

You can use a static predicate to define a subtype with such a set, and then 
iterate over it.

However, as the name implies, you can't define such a set at runtime; you 
have to do that with conditionals.

                         Randy.