#ifndef BOOST_PREPROCESSOR_COMMA_IF_HPP #define BOOST_PREPROCESSOR_COMMA_IF_HPP /* Copyright (C) 2001 * Housemarque Oy * http://www.housemarque.com * * Permission to copy, use, modify, sell and distribute this software is * granted provided this copyright notice appears in all copies. This * software is provided "as is" without express or implied warranty, and * with no claim as to its suitability for any purpose. * * See http://www.boost.org for most recent version. */ #include #include #include /**

Expands to a comma if COND != 0 and nothing if COND == 0.

COND must expand to an integer literal.

For example, BOOST_PP_COMMA_IF(0) expands to nothing.

*/ #define BOOST_PP_COMMA_IF(COND) BOOST_PP_IF(COND,BOOST_PP_COMMA,BOOST_PP_EMPTY)() /**

Obsolete. Use BOOST_PP_COMMA_IF().

*/ #define BOOST_PREPROCESSOR_COMMA_IF(C) BOOST_PP_COMMA_IF(C) #endif