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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: Community Input for the Maintenance and Revision of the Ada
 Programming Language
Date: Thu, 10 Aug 2017 19:25:28 +0200
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Date: 2017-08-10T19:25:28+02:00
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On 2017-08-10 19:08, Luke A. Guest wrote:
> Dmitry A. Kazakov <mailbox@dmitry-kazakov.de> wrote:
>> On 2017-08-10 18:28, Pascal Obry wrote:
>>> Le mercredi 09 août 2017 à 22:08 +0100, Luke A.Guest a écrit :
>>>> 4) multiple return types:
>>>>
>>>> function Blah return Integer, Float;
>>>
>>> Generalized tuples. I would like this too.
>>
>> Should not they be named? Then it is an anonymous record type:
>>
>>     function Blah return
>>        record Count : Integer; Value : Float end record;
>>
>> How do I pass tuple elements down? Say, I have
>>
>>     procedure Foo (X : Float; Y : String; Z : Integer);
>>
>> Now I want to call Foo:
>>
>>     Foo (X => Blah.Value, Z => Same_Blah.Count, Y => "fun");
>>
>> ?
>>
> 
> Well you could implement with a bunch of generics taking different number
> of types but a language level construct would be better.

I doubt any number of generics would help.

The question is syntax of passing tuple result down. If resolved it 
could help in other important cases like container element in-place 
update when you want to pass the container's element down in in-out mode.

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