Clause 36: Never redefine, inherited non-virtual functions

Redefining an inherited non-virtual function may cause the function to be called when it is called, not depending on the object to which the called function belongs, but rather depending on the pointer to the function being called or the type of reference.

So generally speaking there are two main points of view in this respect: 1. If d is not a function to be re-inherited, then it may be that their relationship is not suitable for public inheritance, because the nature of the public inheritance is is-a, then there will be no previous kind of the said situation 2. On the other hand, this function may also have a problem with the declaration, as the virtual function may be more suitable for his intended

Clause 36: Never redefine, inherited non-virtual functions