Comparing std::tr1::function<> objects

Question

I\'ve been trying to implement a C#-like event system in C++ with the tr1 function templates used to store a function that handles the event.

I created a vector so

Answer 1

The proposal (section IIIb.) states they will not be comparable in any way. If you attach some extra information to them, you can easily identify each callback. For instance, if you simply define a struct wrapping the function pointer, you can remove them (assuming you have the same struct you inserted). You can also add some fields to the struct (like an automatically generated guid the client can hold on to) and compare against that.