Worst ideas/features in programming languages?

[deadalnix]

On Thursday, 11 November 2021 at 02:20:50 UTC, Timon Gehr wrote:
> "Add an empty invariant to your types for maximum type safety", 
> "we have constructors, but your types have to cope with 
> arbitrary bit patterns anyway" or "this thing is @safe but some 
> compiler backends may treat it as UB anyway" are The Last Thing 
> D Needs.

This is unfortunately true. This is pervasive in D and by far the 
biggest practical problem with it.