Worst ideas/features in programming languages?

[Tejas]

On Friday, 17 December 2021 at 17:50:25 UTC, user1234 wrote:
> On Friday, 17 December 2021 at 13:33:00 UTC, Tejas wrote:
>> On Friday, 17 December 2021 at 13:14:50 UTC, Igor wrote:
>>> [...]
>>
>> You must love the `to` template in `std.conv` then :P
>
> That's indeed a good way to have cast as postfix expressions 
> except that `to` is more than cast, as it also checks for 
> overflow and can throw.

Those are not good things?