On 10/22/2019 01:23 PM, Robert M. Münch wrote: > The whole code > can be found here: https://pastebin.com/5BTT16Ze
That says "private paste" for me. But I think you have a member function template in the base class. Unfortunately, member function template instances are never virtual functions, so you can't override them.
I'm pretty sure there is a way out. Can you try showing minimal code again please.
Thanks, Ali