Is it possible to make a library (dll/so) from separated .d files?

[dog2002]

On Monday, 3 April 2023 at 09:08:42 UTC, dog2002 wrote:
> Hello. The title sounds weird, but I try to explain it better.
>
> In Unreal Engine and Unity, source code files don't use main() 
> and other important functions. They have only a class. Like 
> this:
>
> ```
> class SomeClass: someInterface
> {
>     AFunctionFromTheInterface1()
>     {
>
>     }
>
>     AFunctionFromTheInterface2()
>     {
>
>     }
> }
> ```
>
> And then all the source code files will be compiled into a 
> single .dll/.so library, so the game engine can use one in a 
> game.
>
> I don't know what compiler does Unreal Engine use, but it uses 
> C++.
>
> Is it possible to do so in D?

There are examples of code here 
https://docs.unrealengine.com/5.1/en-US/unreal-engine-for-unity-developers/