[OT] - C++ exceptions are becoming more and more problematic

[Alexandru Ermicioi]

On Friday, 25 February 2022 at 04:09:51 UTC, meta wrote:
> I don't even think the global lock is the only issue, to begin 
> with..
>
> And, no matter what, it's a double penalty in D because it is a 
> Heap allocation, and that can pause all the threads if it 
> requires more memory.. due to the use of a GC

You can throw pre-allocated exception.

> To counter that, one suggested the use of RC, or a value.. but 
> even then, we still deal with exceptions!
>
> No matter what, I personally stopped using exception altogether 
> in my C++ projects, and moving forward, in my new D projects too

You've already mentioned this. Would be more interesting to hear 
how you handle errors/exceptions, or propose a better alternative 
to exceptions that would be comfortable for most people.

> Also I don't think it is wise to design, or hold designs of, 
> the language because you expect people to be lazy, we should 
> have design philosophy based on HW and Software constrains, not 
> based on lazyness/sloppyness of some developers.. we'll attract 
> the wrong user base.. and even then it'll be hard to compete 
> with sloppy dynamic languages out there... javascript... to 
> name a few

Laziness is one of driving forces for automation.
Sloppynes is one of causes for good amount of bugs.

Not taking them into account, would only be harmfull.

> We should all handle our errors and maintain healthy codebases 
> that are safe and make software great again!

Per my understanding if-checking of error codes or similar, was 
proven to be inefficient, or at least more inefficient than 
exceptions, for code which errors happen not so often to affect 
performance.