Chris@16: # ifndef BOOST_PYTHON_SYNOPSIS 
Chris@16: # // Copyright David Abrahams 2002.
Chris@16: # // Distributed under the Boost Software License, Version 1.0. (See
Chris@16: # // accompanying file LICENSE_1_0.txt or copy at
Chris@16: # // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: #  if !defined(BOOST_PP_IS_ITERATING)
Chris@16: #   error Boost.Python - do not include this file!
Chris@16: #  endif
Chris@16: 
Chris@16: #  define N BOOST_PP_ITERATION()
Chris@16: 
Chris@16: #  define BOOST_PYTHON_MAKE_TUPLE_ARG(z, N, ignored)    \
Chris@16:     PyTuple_SET_ITEM(                                   \
Chris@16:         result.ptr()                                    \
Chris@16:         , N                                             \
Chris@16:         , python::incref(python::object(a##N).ptr())    \
Chris@16:         );
Chris@16: 
Chris@16:     template <BOOST_PP_ENUM_PARAMS_Z(1, N, class A)>
Chris@16:     tuple
Chris@16:     make_tuple(BOOST_PP_ENUM_BINARY_PARAMS_Z(1, N, A, const& a))
Chris@16:     {
Chris@16:         tuple result((detail::new_reference)::PyTuple_New(N));
Chris@16:         BOOST_PP_REPEAT_1ST(N, BOOST_PYTHON_MAKE_TUPLE_ARG, _)
Chris@16:         return result;
Chris@16:     }
Chris@16: 
Chris@16: #  undef BOOST_PYTHON_MAKE_TUPLE_ARG
Chris@16: 
Chris@16: #  undef N
Chris@16: # endif // BOOST_PYTHON_SYNOPSIS