Support for Boost.Lambda

git-svn-id: https://svn.code.sf.net/p/turtle/code/trunk@60 860be788-9bd5-4423-9f1e-828f051e677b

src/libraries/turtle/expectation.hpp

@@ -38,6 +38,12 @@ namespace mock
         typedef BOOST_DEDUCED_TYPENAME
             boost::function< Signature >::result_type result_type;
 
+        template< typename Args >
+        struct sig
+        {
+            typedef result_type type;
+        };
+
     private:
         typedef detail::matcher< result_type,
                                  Signature,