Saturday, April 11, 2020

Digest for comp.lang.c++@googlegroups.com - 3 updates in 2 topics

Chris Vine <chris@cvine--nospam--.freeserve.co.uk>: Apr 07 12:20PM +0100

On Mon, 6 Apr 2020 12:41:28 -0500
 
> https://www.infoworld.com/article/3535795/c-plus-plus-proposal-dismisses-backward-compatibility.html
 
> "Proposal to the C++ standards committee would give up backward and
> binary compatibility for safety and simplicity"
 
It seems to me like a great idea. It would enable those on the
standard committee and working groups who have an irresistable urge to
mess around with the language (aka "have great new ideas and features")
will have something new to play with and thus leave the actual C++
language to practising programmers. Then maybe there could be a
moratorium on all changes for, say, 10 years except to iron out plain
deficiencies or which have provably no known adverse impact on code
actually out there, unless the benefits of the change are so substantial
as to be worth the additional turbulence. Concepts may have fallen
within this latter rubric.
 
The fact that the standard actually mandates that some of its support
library must have undefined behaviour (I am thinking
std::uninitialized_copy here, but it seems probable there are others)
means that the standard is already so unwieldy that even the standard
committee cannot hold all of it in their heads at the same time.
 
The new language will be no more successful than D and almost
certainly a lot less successful than Rust. That's fine.
Lynn McGuire <lynnmcguire5@gmail.com>: Apr 07 02:35PM -0500

On 4/6/2020 11:07 PM, Marcel Mueller wrote:
> even not wanted. But this applies only to very large companies and
> near-monopoly. They can exclude competitors this way.
 
> Marcel
 
It does kinda sound like Go.
 
Lynn
Jorgen Grahn <grahn+nntp@snipabacken.se>: Apr 07 10:39AM

On Tue, 2020-04-07, Juha Nieminen wrote:
>> C++ program. I could not have asked for more.
 
> So you got someone to do your work for you, for free. Congratulations.
> I wish I could have someone do my work for me, for free.
 
There's no reason for a sarcastic response. GW was responsing to
someone being rude and he handled that very well IMO.
 
/Jorgen
 
--
// Jorgen Grahn <grahn@ Oo o. . .
\X/ snipabacken.se> O o .
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