Worst ideas/features in programming languages?

[Atila Neves]

On Tuesday, 9 November 2021 at 13:26:20 UTC, Ola Fosheim Grøstad 
wrote:
> On Tuesday, 9 November 2021 at 11:37:49 UTC, Atila Neves wrote:
>>> It means you now loose context
>>
>> I don't see how.
>
> In D you can throw a wide variety of exceptions and propagate 
> them without even knowing that they were thrown. D even retains 
> the exception chain… (perhaps too much context for most use 
> cases). Clearly you loose context by "?" in comparison? Python 
> also allows you to trace the stack… that is a lot of context…

If there are no exceptions and one is returning regular values, 
then the call stack is... the call stack. Given that "?" returns 
the original failure with whatever extra data it had, I really 
don't see what the difference is.