Swapped luabind for non-boost fork

https://github.com/decimad/luabind-deboostified

libs/luabind/luabind/copy_policy.hpp

@@ -8,52 +8,41 @@
 # include <luabind/detail/policy.hpp>
 
 namespace luabind {
+	namespace detail {
 
-namespace detail
-{
+		struct copy_converter
+		{
+			template <class T>
+			void to_lua(lua_State* L, T const& x)
+			{
+				value_converter().to_lua(L, x);
+			}
 
-  struct copy_converter
-  {
-      template <class T>
-      void apply(lua_State* L, T const& x)
-      {
-          value_converter().apply(L, x);
-      }
+			template <class T>
+			void to_lua(lua_State* L, T* x)
+			{
+				if(!x)
+					lua_pushnil(L);
+				else
+					to_lua(L, *x);
+			}
+		};
 
-      template <class T>
-      void apply(lua_State* L, T* x)
-      {
-          if (!x)
-              lua_pushnil(L);
-          else
-              apply(L, *x);
-      }
-  };
+		struct copy_policy
+		{
+			template <class T, class Direction>
+			struct specialize
+			{
+				static_assert(std::is_same<Direction, cpp_to_lua>::value, "Copy policy only supports cpp -> lua");
+				using type = copy_converter;
+			};
+		};
 
-  template <int N>
-  struct copy_policy : conversion_policy<N>
-  {
-      static void precall(lua_State*, index_map const&)
-      {}
+	} // namespace detail
 
-      static void postcall(lua_State*, index_map const&)
-      {}
-
-      template <class T, class Direction>
-      struct apply
-      {
-          typedef copy_converter type;
-      };
-  };
-
-} // namespace detail
-
-template <int N>
-detail::policy_cons<detail::copy_policy<N>, detail::null_type>
-copy(LUABIND_PLACEHOLDER_ARG(N))
-{
-    return detail::policy_cons<detail::copy_policy<N>, detail::null_type>();
-}
+		// Caution: If we use the aliased type "policy_list" here, MSVC crashes.
+	template< unsigned int N >
+	using copy_policy = meta::type_list< converter_policy_injector< N, detail::copy_policy > >;
 
 } // namespace luabind