On Thu, 07 Jun 2007 09:34:32 +0900, Douglas Gregor <doug.gregor@gmail.com> wrote:
[...]
void Hello() { } boost::signal<void ()> sig; sig.connect(&Hello); // OK sig.disconnect(&Hello); // Error [...]http://www.boost.org/doc/html/signals/tutorial.html#id1627590
According to http://www.boost.org/doc/html/signals/ tutorial.html#id1627841 the code above should work? However I can't compile it with VC++ 2005 SP1. Anyone with the same problem? The error message I get is:
The code supporting this feature was accidentally disabled for VC++ in Boost 1.33.1. This oversight was fixed in Boost 1.34.0.
Doug, I upgraded now to Boost 1.34.0 only to run into another problem with Boost.Signal: C:\Boost\include\boost-1_34\boost/signals/signal_template.hpp(242) : error C2666: 'boost::operator ==' : 4 overloads have similar conversions C:\Boost\include\boost-1_34\boost/function/function_template.hpp(699): could be 'void boost::operator ==<R,T0,Allocator>(const boost::function1<R,T0,Allocator> &,const boost::function1<R,T0,Allocator> &)' [...] C:\Boost\include\boost-1_34\boost/function/function_base.hpp(647): or 'bool boost::operator ==<boost::function<Signature>>(Functor,const boost::function_base &)' [...] C:\Boost\include\boost-1_34\boost/function/function_base.hpp(638): or 'bool boost::operator ==<Function>(const boost::function_base &,Functor)' [...] or 'built-in C++ operator==(void (__thiscall boost::function1<R,T0,Allocator>::dummy::* )(void), void (__thiscall boost::function1<R,T0,Allocator>::dummy::* )(void))' [...] while trying to match the argument list '(boost::function<Signature>, const boost::function<Signature>)' [...] C:\Boost\include\boost-1_34\boost/signals/signal_template.hpp(224) : see reference to function template instantiation 'void boost::signal1<R,T1,Combiner,Group,GroupCompare,SlotFunction>::do_disconnect<T>(const Function &,boost::mpl::bool_<C_>)' being compiled [...] If required I can copy&paste the full error message (I only dropped the template parameters for better readability). Is this a known problem? Anything I can do about it? Boris