[Boost-users] [Preprocessor] Expand to nothin - BOOST_PP_SEQ_PUSH_BACK

Hi The BOOST_PP_SEQ_PUSH_BACK Macro expands to the seq with the extra element. But i don't want it to expand. I want to use the sequence later instead. How can i supress the expanding? I looked through the docs, but didn't find the right clue. I'm new too Preprocessorprogramming, so please excuse, if my question is stupid. Not the easiest thing, starting Preprocessor and Metaprogramming from nothing but the docs. Kind Regards Manuel Jung