How to pass a class by (const) reference to C++

[Adam D Ruppe]

On Wednesday, 15 December 2021 at 10:54:45 UTC, Jan wrote:
> Someone with more in-depth knowledge told me, that Windows 
> support in D and specifically DLL support is lacking quite a 
> bit.

gdc and ldc have the same full support you'd expect coming from 
microsoft c++.

dmd doesn't though. You can make full dlls with dmd just it is 
more diy than automatic.

*Using* dlls of course is something that's been fully supported 
since day one. Either using an import lib or GetProcAddress.