Worst ideas/features in programming languages?

[9il]

On Monday, 11 October 2021 at 20:41:33 UTC, James Blachly wrote:
>
>>> But I'm actually convinced that the worst thing is the lack of
>>> implicit construction for sumtypes. Because when you try to 
>>> actually
>>> use sumtypes, you end up with stuff like
>>> `Nullable!MySumType(MySumType(MemberType("Hello World")))`.
>
> https://run.dlang.io/is/XUtxwm  :)

Maybe you mean that one?
https://run.dlang.io/is/zw1Ekq