[Boost-sandbox-cvs] boost-sandbox/boost/thread_safe_signals track.hpp, 1.11, 1.12

[Frank M. H. <fm...@us...>]

Update of /cvsroot/boost-sandbox/boost-sandbox/boost/thread_safe_signals
In directory sc8-pr-cvs3.sourceforge.net:/tmp/cvs-serv29265/thread_safe_signals

Modified Files:
	track.hpp 
Log Message:
Handle reference-wrapped values gracefully for the sake of the
2 parameter version of track().



Index: track.hpp
===================================================================
RCS file: /cvsroot/boost-sandbox/boost-sandbox/boost/thread_safe_signals/track.hpp,v
retrieving revision 1.11
retrieving revision 1.12
diff -u -d -r1.11 -r1.12
--- track.hpp	22 Feb 2007 20:23:48 -0000	1.11
+++ track.hpp	22 Feb 2007 20:47:20 -0000	1.12
@@ -12,6 +12,7 @@
 #ifndef BOOST_SIGNALS_TRACK_HEADER
 #define BOOST_SIGNALS_TRACK_HEADER
 
+#include <boost/ref.hpp>
 #include <boost/smart_ptr.hpp>
 
 #ifdef BOOST_HAS_ABI_HEADERS
@@ -25,17 +26,17 @@
     class tracked
     {
     public:
-      typedef T value_type;
+      typedef typename unwrap_reference<T>::type value_type;
 
       tracked(const shared_ptr<void>& tracked_ptr, const T &value):
         _value(value), _tracked_ptr(tracked_ptr)
       {}
       // implicit conversions so tracked objects can be bound with bind
-      operator T& ()
+      operator value_type & ()
       {
         return _value;
       }
-      operator const T& () const
+      operator const value_type & () const
       {
         return _value;
       }