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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: In precision typing we trust
Date: Thu, 28 Aug 2025 01:49:18 +0200
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On 2025-08-28 01:10, Lawrence D’Oliveiro wrote:

> So I can do something like
> 
>      function F ... is
>      declare
>         type T is ...
>      begin
>         ...
>         return T;
>      end;
> 
> in Ada?

No, you cannot spell such a function. Ada is a typed language:

   function F return T is -- T is undefined
      type T is ...;
   begin

>> Yes I can. It is actively used in software design. E.g. for plug-ins,
>> library implementing a driver derives  a type from the base type.
> 
> Show us.
It is a proprietary code. You can write it yourself.

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