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ec0c8c8603
* Introduce support for C++20 preprocessor features - add __VA_OPT__ feature to variadic macros - allow supplying 0 variadic arguments in more cases - add related unit tests
25 lines
785 B
C++
25 lines
785 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) 2020 Jeff Trull. 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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//O --c++20
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//O -Werror
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// tests for changes to variadics handling
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// specifically, that arg list after named args can be empty
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#define ok_to_be_empty(BASE, ...) __VA_ARGS__##BASE##__VA_ARGS__
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//R #line 20 "t_8_002.cpp"
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//R notemptyfillernotempty
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ok_to_be_empty(filler, notempty)
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//R #line 24 "t_8_002.cpp"
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//R filler
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ok_to_be_empty(filler)
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