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From: Muttley@dastardlyhq.com
Newsgroups: comp.lang.c++
Subject: Re: "Trip report: June 2025 ISO C++ standards meeting (Sofia,
Date: Wed, 25 Jun 2025 15:52:36 -0000 (UTC)
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On Wed, 25 Jun 2025 15:37:29 GMT
scott@slp53.sl.home (Scott Lurndal) gabbled:
>Muttley@dastardlyhq.com writes:
>>On Wed, 25 Jun 2025 16:48:39 +0300
>>Michael S <already5chosen@yahoo.com> gabbled:
>>>On Wed, 25 Jun 2025 08:47:23 -0000 (UTC)
>>>Muttley@dastardlyhq.com wrote:
>>>
>>>> On Sun, 22 Jun 2025 19:37:39 -0500
>>>> Lynn McGuire <lynnmcguire5@gmail.com> gabbled:
>>>> >"Trip report: June 2025 ISO C++ standards meeting (Sofia, Bulgaria)"
>>>> >by Herb Sutter
>>>> >  
>>>>
>>>>https://herbsutter.com/2025/06/21/trip-report-june-2025-iso-c-standards-meet
>in
>>>g
>>>> >-sofia-bulgaria/
>>>> >
>>>> >"Today marks a turning point in C++: A few minutes ago, the C++ 
>>>> >committee voted the first seven (7) papers for compile-time
>>>> >reflection   
>>>> 
>>>> What for? What exactly does it bring to the table except more
>>>> complexity in an already overcomplex language?
>>>> 
>>>
>>>Ability to serialize structures (for example, to JASON or XML) in generic
>way.
>>
>>I read something about that but it made no sense to me. Seemed to be a case
>>complex constexpr functions to do it with the fields and values hard coded
>>(obviously or no constexpr), but like most constexpressions IME, you can just
>>work out the result beforehand and hard code *that* instead.
>>
>>Still, if the standards committee want to make the C++ learning curve for
>>beginners even steeper then they're going to succeed beyond their wildest
>>dreams. No wonder a lot of CS courses ditched C++ (and to be fair Java) a long
>
>>time a go and focused on Python.
>
>Reflection was a useful feature in Java, I suspect that at least part
>of the rationale for the addition to C++ is to match the corresponding
>Java feature. 
>
>
>https://www.oracle.com/technical-resources/articles/java/javareflection.html

IIRC correctly the java version is runtime reflection, the C++ version will
be compile time which is utterly pointless. If the compiler knows whats there
at compile them then so do you and you can write your code accordingly.