Sealed classes - would you want them in D?

[rikki cattermole]

On 11/05/2018 11:25 PM, KingJoffrey wrote:
> On Friday, 11 May 2018 at 10:43:19 UTC, rikki cattermole wrote:
>> Classes are expensive, not everybody wants to pay for what it gives in 
>> all situations.
> 
> Mmm...that claim is so broad is to be meaningless.
> 
> Good memory allocation algorithms, intelligent optimising 
> compilers/runtimes, prudent use of class inheritance and other features, 
> etc..etc.... all this can change performance one way or the other.
> 
> Programs that do not use classes can (very easily) become poor peforming 
> too.
> 
> Anyway... nice way for you to sidetrack my argument ;-)
> (which is about correcting, the incorrect implementation of class 
> enscapsulation in D - so I can start using it).

Well then, since you don't like how it is now, lets see the DIP.