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#ifndef BOOST_CONTRACT_DETAIL_PP_KEYWORD_UTILITY_IS_HPP_
#define BOOST_CONTRACT_DETAIL_PP_KEYWORD_UTILITY_IS_HPP_
// Copyright (C) 2008-2018 Lorenzo Caminiti
// Distributed under the Boost Software License, Version 1.0 (see accompanying
// file LICENSE_1_0.txt or a copy at http://www.boost.org/LICENSE_1_0.txt).
// See: http://www.boost.org/doc/libs/release/libs/contract/doc/html/index.html
#include <boost/preprocessor/cat.hpp>
#include <boost/preprocessor/variadic/size.hpp>
/* PRIVATE */
#define BOOST_CONTRACT_DETAIL_PP_KEYWORD_UTILITY_IS_1 0
#define BOOST_CONTRACT_DETAIL_PP_KEYWORD_UTILITY_IS_2 1
/* PUBLIC */
// Precondition: A macro named `cat_to_comma_prefix ## token-to-check` must be
// #defined to expand to `,`.
// Precondition: tokens must start with a token concatenable to a macro name
// (e.g., a literal or integral token).
#define BOOST_CONTRACT_DETAIL_PP_KEYWORD_UTILITY_IS( \
cat_to_comma_prefix, tokens) \
BOOST_PP_CAT(BOOST_CONTRACT_DETAIL_PP_KEYWORD_UTILITY_IS_, \
BOOST_PP_VARIADIC_SIZE(BOOST_PP_CAT(cat_to_comma_prefix, tokens)))
#endif // #include guard