Forward Declaration of a Base Class

Question

I\'m trying to create proper header files which don\'t include too many other files to keep them clean and to speed up compile time.

I encountered two problems while

Answer 1

You're trying too hard to solve something that isn't actually a problem. Use the header files you need, and reduce - WHERE POSSIBLE - the requirement for them. But don't try and take it to extremes because you'll fail.

In some cases, the PIMPL idiom may help you, but not here.