forked from boostorg/preprocessor
30 lines
965 B
C++
30 lines
965 B
C++
#ifndef BOOST_PREPROCESSOR_COMMA_IF_HPP
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#define BOOST_PREPROCESSOR_COMMA_IF_HPP
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/* Copyright (C) 2001
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* Housemarque Oy
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* http://www.housemarque.com
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*
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* Permission to copy, use, modify, sell and distribute this software is
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* granted provided this copyright notice appears in all copies. This
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* software is provided "as is" without express or implied warranty, and
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* with no claim as to its suitability for any purpose.
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*
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* See http://www.boost.org for most recent version.
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*/
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#include <boost/preprocessor/comma.hpp>
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#include <boost/preprocessor/empty.hpp>
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#include <boost/preprocessor/if.hpp>
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/** <p>Expands to a comma if <code>C != 0</code> and nothing if
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<code>C == 0</code>.</p>
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<p>For example, <code>BOOST_PP_COMMA_IF(0)</code> expands to nothing.</p>
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*/
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#define BOOST_PP_COMMA_IF(C) BOOST_PP_IF(C,BOOST_PP_COMMA,BOOST_PP_EMPTY)()
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/** <p>Obsolete. Use BOOST_PP_COMMA_IF().</p> */
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#define BOOST_PREPROCESSOR_COMMA_IF(C) BOOST_PP_COMMA_IF(C)
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#endif
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