WindowsAPI - Problem with DECLARE_HANDLE definition

[Kagamin]

On Wednesday, 11 September 2013 at 20:20:13 UTC, Simen Kjaeraas 
wrote:
> On 2013-09-11, 20:29, Andrej Mitrovic wrote:
>
>> On 9/11/13, Kagamin <spam at here.lot> wrote:
>>> I'd say, strong handles shouldn't act as pointers (and 
>>> shouldn't
>>> contain pointers), so null shouldn't work.
>>
>> "NULL" is already used in a ton of WinAPI C/C++ code and MSDN
>> documentation, it would be a major pain in the ass to have to 
>> use e.g.
>> HWND(0) instead.
>
> How's about
>
>   enum NULL = HANDLE(0);
>
> Honestly I hate that, and am convinced the correct way to fix 
> this is
> for D to add opImplicitCastFrom.

Or multiple alias this:

struct _NULL
{
	HANDLE zero;
	void* ptr;
	alias zero this;
	alias ptr this;
}