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- // Copyright (c) 2009-2016 Vladimir Batov.
- // Use, modification and distribution are subject to the Boost Software License,
- // Version 1.0. See http://www.boost.org/LICENSE_1_0.txt.
- #ifndef BOOST_CONVERT_DETAIL_IS_STRING_HPP
- #define BOOST_CONVERT_DETAIL_IS_STRING_HPP
- #include <boost/convert/detail/range.hpp>
- namespace boost { namespace cnv
- {
- namespace detail
- {
- template<typename T, bool is_range_class> struct is_string : std::false_type {};
- template<typename T> struct is_string<T*, false>
- {
- static bool const value = cnv::is_char<T>::value;
- };
- template <typename T, std::size_t N> struct is_string<T [N], false>
- {
- static bool const value = cnv::is_char<T>::value;
- };
- template<typename T> struct is_string<T, /*is_range_class=*/true>
- {
- static bool const value = cnv::is_char<typename T::value_type>::value;
- };
- }
- template<typename T> struct is_string : detail::is_string<
- typename boost::remove_const<T>::type,
- boost::is_class<T>::value && boost::cnv::is_range<T>::value> {};
- }}
- #endif // BOOST_CONVERT_DETAIL_IS_STRING_HPP
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