Manual memory management in D2

[Kagamin]

Andrei Alexandrescu Wrote:

> most GC's cannot provide efficient manual 
> reclamation. And they shouldn't anyway.
>
If one doesn't want to implement a function, he can throw NotImplementedException, or don't provide the function so that program using the delete won't link. But deallocation of allocated memory is not that unthinkable just because it can be hard.