The variadic/has_opt.hpp header defines a macro that determines whether or not the __VA_OPT__ construct is supported.

Usage

#include <boost/preprocessor/variadic/has_opt.hpp>

Contents

© Copyright Edward Diener 2019

Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at www.boost.org/LICENSE_1_0.txt)