I just applied the patch below to boost/tuple/detail/tuple_basic.hpp to port it to IBM/VisualAge. I tried to contact Jaako Jarvi but the email address listed in the copyright statement is not valid anymore ;-( Index: tuple_basic.hpp =================================================================== RCS file: /cvsroot/boost/boost/boost/tuple/detail/tuple_basic.hpp,v retrieving revision 1.23 retrieving revision 1.24 diff -u -r1.23 -r1.24 --- tuple_basic.hpp 28 Oct 2003 09:42:43 -0000 1.23 +++ tuple_basic.hpp 17 Jun 2004 07:01:13 -0000 1.24 @@ -43,6 +43,8 @@ #include "boost/type_traits/cv_traits.hpp" #include "boost/type_traits/function_traits.hpp" +#include "boost/detail/workaround.hpp" // needed for BOOST_WORKAROUND + namespace boost { namespace tuples { @@ -97,12 +99,22 @@ template<class RET, class HT, class TT > inline static RET get(const cons<HT, TT>& t) { +#if BOOST_WORKAROUND(__IBMCPP__,==600) + // vacpp 6.0 is not very consistent regarding the member template keyword + // Here it generates an error when the template keyword is used. + return get_class<N-1>::get<RET>(t.tail); +#else return get_class<N-1>::BOOST_NESTED_TEMPLATE get<RET>(t.tail); +#endif } template<class RET, class HT, class TT > inline static RET get(cons<HT, TT>& t) { +#if BOOST_WORKAROUND(__IBMCPP__,==600) + return get_class<N-1>::get<RET>(t.tail); +#else return get_class<N-1>::BOOST_NESTED_TEMPLATE get<RET>(t.tail); +#endif } }; @@ -194,11 +206,17 @@ typename element<N, cons<HT, TT> >::type >::non_const_type get(cons<HT, TT>& c BOOST_APPEND_EXPLICIT_TEMPLATE_NON_TYPE(int, N)) { - return detail::get_class<N>::BOOST_NESTED_TEMPLATE +#if BOOST_WORKAROUND(__IBMCPP__,==600 ) + return get_class<N>:: +#else + return get_class<N>::BOOST_NESTED_TEMPLATE +#endif get< typename access_traits< typename element<N, cons<HT, TT> >::type - >::non_const_type>(c); + >::non_const_type, + HT,TT + >(c); } // get function for const cons-lists, returns a const reference to @@ -209,11 +227,17 @@ typename element<N, cons<HT, TT> >::type >::const_type get(const cons<HT, TT>& c BOOST_APPEND_EXPLICIT_TEMPLATE_NON_TYPE(int, N)) { +#if BOOST_WORKAROUND(__IBMCPP__,==600) + return detail::get_class<N>:: +#else return detail::get_class<N>::BOOST_NESTED_TEMPLATE +#endif get< typename access_traits< typename element<N, cons<HT, TT> >::type - >::const_type>(c); + >::const_type, + HT,TT + >(c); } // -- the cons template --------------------------------------------------