Can you imagine and present a simple real-life application and prove all the claims in the chapter about comparisons with other Signal/Slot implemntations? For example, there was some talk here about using signals in boost GUI library. I tried to use it for a simplistic focus management and stumbled upon no-nos, which made me question the utility of the library as it stands now.
I certainly agree with you here. After reading the docs for boost::signal, I'm not sure what are its advantages over std::vector< boost::function<...> > Best, John -- John Torjo, Contributing editor, C/C++ Users Journal -- "Win32 GUI Generics" -- generics & GUI do mix, after all -- http://www.torjo.com/win32gui/ -v1.6.3 (Resource Splitter) -- http://www.torjo.com/cb/ - Click, Build, Run!