Which C++ signals/slots library should I choose?

Question

I want to use a signals/slots library in a project that doesn\'t use QT. I have pretty basic requirements:

1. Connect two functions with any number of parameters

Answer 1

One more sig-slot implementation to consider:

http://code.google.com/p/ting/wiki/SignalSlotUsage

It does not pretend to be the best one, but, still, another one which has its right to exist.