Alternative to Interfaces

[Sebastien Alaiwan]

On Saturday, 19 January 2019 at 09:24:21 UTC, Kagamin wrote:
> On Friday, 18 January 2019 at 18:48:46 UTC, Jonathan M Davis 
> wrote:
>> Yes, but some D features will use the GC
>
> They would like to allocate, but they don't know nor care where 
> it's allocated from, if the developer uses custom memory 
> management, he will know how it's allocated and will be able to 
> manage it.

Is it possible to get the raw context pointer from a given 
delegate?
If not, how to deallocate the context without garbage collection?