/*============================================================================= Boost.Wave: A Standard compliant C++ preprocessor library http://www.boost.org/ Copyright (c) 2020 Jeff Trull. 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 --c++11 //O -Werror // test that arg list after named args CANNOT be empty (in c++11 mode) #define ok_to_be_empty(BASE, ...) __VA_ARGS__##BASE##__VA_ARGS__ //R #line 19 "t_8_003.cpp" //R notemptyfillernotempty ok_to_be_empty(filler, notempty) //E t_8_003.cpp(22): warning: too few macro arguments: ok_to_be_empty ok_to_be_empty(filler)