What is the practical use of pointers to member functions?

Question

I\'ve read through this article, and what I take from it is that when you want to call a pointer to a member function, you need an instance (either a pointer to one or a sta

Answer 1

The best use of pointers to member functions is to break dependencies.

Good example where pointer to member function is needed is Subscriber/Publisher pattern :

http://en.wikipedia.org/wiki/Publish/subscribe