BindWithID.hpp

#include "Bind.hpp"
namespace OTR
{
	template <typename Object>
	int objectID(Object const& object)
	{
		return reinterpret_cast<intptr_t>(&object);
	}
	
	template <typename Sig, typename Func>
	void bindID(Sig const& sig, Func func)
	{
		sig.connect(OTR::bind(func, objectID(sig)));
	}
	
	template <typename Sig, typename Func, typename A1>
	void bindID(Sig const& sig, Func func, A1 a1)
	{
		sig.connect(OTR::bind(func, objectID(sig), a1));
	}
	
	template <typename Sig, typename Func, typename A1, typename A2>
	void bindID(Sig const& sig, Func func, A1 a1, A2 a2)
	{
		sig.connect(OTR::bind(func, objectID(sig), a1, a2));
	}
}

These could return the boost::signals2::connection returned by the connect( ) method if you want to be able to disconnect from the callee.