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- #ifndef BOOST_METAPARSE_V1_CPP14_IMPL_ANY_OF_C_HPP
- #define BOOST_METAPARSE_V1_CPP14_IMPL_ANY_OF_C_HPP
- // Copyright Abel Sinkovics (abel@sinkovics.hu) 2017.
- // 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)
- #include <boost/mpl/bool.hpp>
- namespace boost
- {
- namespace metaparse
- {
- namespace v1
- {
- namespace impl
- {
- template <char... Cs>
- struct any_of_c
- {
- typedef any_of_c type;
- static constexpr bool run(char c_)
- {
- const bool values[] = {(c_ == Cs)...};
- for (const bool* i = values; i != values + sizeof...(Cs); ++i)
- {
- if (*i)
- {
- return true;
- }
- }
- return false;
- }
- template <class Chr>
- struct apply : boost::mpl::bool_<any_of_c::run(Chr::type::value)> {};
- };
- template <>
- struct any_of_c<>
- {
- typedef any_of_c type;
- template <class>
- struct apply : boost::mpl::false_ {};
- };
- }
- }
- }
- }
- #endif
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