CALLBACKS IN C++ USING TEMPLATE FUNCTORSCopyright 1994 Rich Hickey INTRODUCTION One of the many promises of Object-Oriented programming is that it will allow for plug-and-play software design with re-usable components. Designers will pull objects from their library 'shelves' and hook them together to make software. In C++, this hooking together of components can be tricky, particulary if they are separately designed. We are still a long
