C++ pattern matching is coming

[Imperatorn]

On Friday, 28 October 2022 at 12:34:42 UTC, ryuukk_ wrote:
> On Friday, 28 October 2022 at 09:35:06 UTC, Sergey wrote:
>> On Thursday, 27 October 2022 at 15:14:30 UTC, ryuukk_ wrote:
>>> PHP also got builtin sumtype and pattern matching
>>>
>>> https://laravel-news.com/modern-php-features-explained
>>>
>>> https://news.ycombinator.com/item?id=33357318
>>>
>>>
>>> D lagging behind most languages now :/
>>
>> D also has them: 
>> https://dlang.org/phobos/std_sumtype.html#match
>
> std.sumtype is buggy, it's slow and it is a template
>
> C/C++ also had them with MACROs, why do you think they decided 
> to now have them has built in feature?

How is sumtype buggy?