Re: Member pointers in 0.8.1

Ilia Trendafilov wrote:
> James Porter wrote:
>> Your code works for me in Luabind 0.8.1 / Lua 5.1.4 / MSVC8 SP1 with no
>> problems whatsoever. Is your version of Lua up to date, and did you
>> compile Luabind via bjam?

Really? That's weird. It fails for me on GCC 4.3.2 as well.

> Since you can run the code, it seems that I'm doing something wrong,
> but I don't have a clue what it might be. Not sure if that's relevant,
> boost version is 1.37 on Windows and 1.38 on Linux, built by bjam on
> both OSes.

Can you try this patch, it should solve the problem:

diff --git a/luabind/class.hpp b/luabind/class.hpp
index a7dddf3..f982c23 100644
--- a/luabind/class.hpp
+++ b/luabind/class.hpp
@@ -858,6 +858,15 @@ namespace luabind
             >
         {};

+        template <class T>
+        struct reference_arg
+          : mpl::if_<
+                mpl::or_<boost::is_pointer<T>, is_primitive<T> >
+              , T
+              , typename boost::add_reference<T const>::type
+            >
+        {};
+
         template <class T, class Policies>
         struct inject_dependency_policy
           : mpl::if_<
@@ -934,7 +943,8 @@ namespace luabind
                 return make_function(
                     L
                   , access_member_ptr<T, D>(mem_ptr)
-                  , mpl::vector3<void, Class&, D const&>()
+                  , mpl::vector3<
+                        void, Class&, typename reference_arg<D>::type>()
                   , set_policies
                 );
             }


-- 
Daniel Wallin
BoostPro Computing
http://www.boostpro.com

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