1 /*============================================================================= 2 Boost.Wave: A Standard compliant C++ preprocessor library 3 http://www.boost.org/ 4 5 Copyright (c) 2020 Jeff Trull. Distributed under the Boost 6 Software License, Version 1.0. (See accompanying file 7 LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 8 =============================================================================*/ 9 10 //O --c++20 11 //O -Werror 12 13 // tests for changes to variadics handling 14 // specifically, that arg list after named args can be empty 15 16 #define ok_to_be_empty(BASE, ...) __VA_ARGS__##BASE##__VA_ARGS__ 17 18 //R #line 20 "t_8_002.cpp" 19 //R notemptyfillernotempty 20 ok_to_be_empty(filler, notempty) 21 22 //R #line 24 "t_8_002.cpp" 23 //R filler 24 ok_to_be_empty(filler) 25