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Newsgroups: comp.lang.ada
Subject: Re: Map iteration and modification
Date: Wed, 17 Apr 2024 12:12:20 +0200
Organization: A noiseless patient Spider
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Dmitry A. Kazakov wrote:
"On 2024-01-05 03:00, Randy Brukardt wrote:
> "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> wrote in message
> news:un64o3$3krch$1@dont-email.me...
> ...
[. . .]
>>>> Usability always trumps performance.
>>>=20
>>> That's the philosophy of languages like Python, not Ada.
>>=20
>> Ah, this is why Python is totally unusable? (:-))
>=20
> I would tend to argue that it is indeed the case that you get dubious
> results when you put usability first. Ada puts
> readability/understandability, maintainability, and consistency first=20
> (along
> with performance). Those attributes tend to provide usability, but not at
> the cost of making things less consistent or understandable.
>=20
> I wrote an article on this topic a year and a half ago that I wanted to
> publish on Ada-Auth.org. But I got enough pushback about not being=20
> "neutral"
> that I never did so. (I don't think discussing why we don't do things som=
e
> other languages do is negative, but whatever.) I've put this on RR's blog=
=20
> at
> http://www.rrsoftware.com/html/blog/consequences.html so it isn't lost.

Thanks for posting this."

Dear all,

Thanks indeed.

"[. . .]

3. Removing meaningless repetitions contributes to usability. But X :=3D X =
+ Y=20
is only one instance where Ada required such repetition. [. . .]

[. . .]"

I wrote a function to increment as a workaround but opinionated Anita=20
Enmark did not like it. Engineering and opinions.

"   if X in T'Class then
       declare
          XT : T'Class renames T'Class (X);

T'Class is repeated 3 times."

Sorry: 2 times.

With best regards.
Niocl=C3=A1s P=C3=B3l Caile=C3=A1n de Ghloucester
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