Re: [Boost-users] [signals] problem when disconnecting slots

15 Jan 2008

      AMDG

Boris wrote:
...
On Tue, 15 Jan 2008 19:30:00 +0200, raimar wagner  
 wrote:
...
Hello!
I'm trying to use the boost signals library to implement a callback
system, but my first test-application (see boost_test_app.cpp in
attachment) won't compile. The connect method works as expected, but
if I'm trying to disconnect my slot (in line 28: "
mySignal.disconnect(slot);") a compiler error message appears.
This reminds me of bug #1076 - see  
http://svn.boost.org/trac/boost/ticket/1076 (although that bug was  
reported for Visual Studio).
It's somewhat different though in that there is no way to make this work 
correctly.
Try making
Button::unregisterCallback a template

    template<class T>
    void unregisterCallback(const T& slot)
    {
        mySignal.disconnect(slot);
    }

In Christ,
Steven Watanabe