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File indexing completed on 2025-12-16 09:44:43
0001 #ifndef BOOST_CONFIG_HELPER_MACROS_HPP_INCLUDED 0002 #define BOOST_CONFIG_HELPER_MACROS_HPP_INCLUDED 0003 0004 // Copyright 2001 John Maddock. 0005 // Copyright 2017 Peter Dimov. 0006 // 0007 // Distributed under the Boost Software License, Version 1.0. 0008 // 0009 // See accompanying file LICENSE_1_0.txt or copy at 0010 // http://www.boost.org/LICENSE_1_0.txt 0011 // 0012 // BOOST_STRINGIZE(X) 0013 // BOOST_JOIN(X, Y) 0014 // 0015 // Note that this header is C compatible. 0016 0017 // 0018 // Helper macro BOOST_STRINGIZE: 0019 // Converts the parameter X to a string after macro replacement 0020 // on X has been performed. 0021 // 0022 #define BOOST_STRINGIZE(X) BOOST_DO_STRINGIZE(X) 0023 #define BOOST_DO_STRINGIZE(X) #X 0024 0025 // 0026 // Helper macro BOOST_JOIN: 0027 // The following piece of macro magic joins the two 0028 // arguments together, even when one of the arguments is 0029 // itself a macro (see 16.3.1 in C++ standard). The key 0030 // is that macro expansion of macro arguments does not 0031 // occur in BOOST_DO_JOIN2 but does in BOOST_DO_JOIN. 0032 // 0033 #define BOOST_JOIN(X, Y) BOOST_DO_JOIN(X, Y) 0034 #define BOOST_DO_JOIN(X, Y) BOOST_DO_JOIN2(X,Y) 0035 #define BOOST_DO_JOIN2(X, Y) X##Y 0036 0037 #endif // BOOST_CONFIG_HELPER_MACROS_HPP_INCLUDED
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