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22 lines
715 B
C++
22 lines
715 B
C++
/*=============================================================================
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Boost.Wave: A Standard compliant C++ preprocessor library
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http://www.boost.org/
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Copyright (c) 2001-2005 Hartmut Kaiser. Distributed under the Boost
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Software License, Version 1.0. (See accompanying file
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LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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// Tests empty __VA_ARGS__ expansion
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//O --variadics
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#define MACRO1(x, ...) x -> __VA_ARGS__
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#define MACRO2(...) __VA_ARGS__
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#define STR(...) #__VA_ARGS__
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//R #line 19 "001_034.cpp"
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MACRO1(1,) //R 1 ->
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MACRO2(1, 2) //R 1,2
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STR() //R ""
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