Alternative to Interfaces

[Paul Backus]

On Friday, 25 January 2019 at 19:34:02 UTC, Sebastien Alaiwan 
wrote:
> 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?

You can access the context pointer of a delegate using its `.ptr` 
property, but changing how it's allocated would require changes 
to druntime.

Some alternatives are discussed in this thread: 
https://forum.dlang.org/thread/mgbdrhcudlhsadnwzjzf@forum.dlang.org