1 #ifndef BOOST_PREPROCESSOR_EMPTY_HPP
2 #define BOOST_PREPROCESSOR_EMPTY_HPP
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16 /** <p>Expands to nothing.</p>
21 BOOST_PP_IF(0,BOOST_PP_COMMA,BOOST_PP_EMPTY)()
24 <p>expands to nothing.</p>
28 <li><a href="../../example/subscript_layer.cpp">subscript_layer.cpp</a></li>
33 <li><a href="../../test/preprocessor_test.cpp">preprocessor_test.cpp</a></li>
36 #define BOOST_PP_EMPTY()