/*============================================================================= Boost.Wave: A Standard compliant C++ preprocessor library http://www.boost.org/ Copyright (c) 2001-2005 Hartmut Kaiser. Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) =============================================================================*/ //O --variadics // Tests macro expansion order in conjunction with the need to skip expansion // of the same macro as it is currently expanded. #define CONCAT(a, b) a ## b #define CONCAT_INDIRECT() CONCAT //R #line 20 "001_004.cpp" //R CONCAT(1, 2) CONCAT(CON, CAT)(1, 2) //R #line 23 "001_004.cpp" //R CONCAT(1, 2) CONCAT(CON, CAT(1, 2)) //R #line 26 "001_004.cpp" //R 12 CONCAT(CONCAT_, INDIRECT)()(1, 2) //R #line 29 "001_004.cpp" //R CONCAT(1, 2) CONCAT(CONCAT_, INDIRECT())(1, 2) //R #line 32 "001_004.cpp" //R 1 CONCAT(2, 3) CONCAT(1, CONCAT(2, 3))