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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: class wide iterable (and indexable)
Date: Thu, 24 Jan 2019 18:11:23 +0100
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Xref: reader01.eternal-september.org comp.lang.ada:55361
Date: 2019-01-24T18:11:23+01:00
List-Id: <comp.lang.ada>

On 2019-01-23 23:47, Randy Brukardt wrote:

> You can do this with Dynamic_Predicates, but it doesn't make the slices act
> differently, so problems will ensue. Changing the semantics of slices
> (essentially to force sliding everywhere) would require some sort of
> declaration beyond just the predicate.

or making (x..y) a proper operation:

    function "(..)" (A : Array_Type; From, To : Index_Type)
       return Array_Type is
    begin
       return Result : Array_Type (1..(To - From) + 1) := A (From, To);
    end "(..)";

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de