The Old New Thing

C++ corner case: You can implement pure virtual functions in the base class

October 11, 2013 Oct 11, 2013 10/11/13

Raymond Chen

In our discussion , we saw that you can declare a pure virtual function with the syntax, and if you try to call one of these functions from the base class, you will get the dreaded R6025 - pure virtual function call error. In that article, I wrote that a pure virtual function is "a method which is declared by the base class, but for which...