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Sprout/sprout/utility/string_view/hash.hpp

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/*=============================================================================
Copyright (c) 2011-2016 Bolero MURAKAMI
https://github.com/bolero-MURAKAMI/Sprout
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)
=============================================================================*/
#ifndef SPROUT_UTILITY_STRING_VIEW_HASH_HPP
#define SPROUT_UTILITY_STRING_VIEW_HASH_HPP
#include <functional>
#include <sprout/config.hpp>
#include <sprout/workaround/std/cstddef.hpp>
#include <sprout/utility/string_view/string_view.hpp>
#include <sprout/functional/hash.hpp>
namespace sprout {
//
// hash_value
//
template<typename T, typename Traits>
inline SPROUT_CONSTEXPR std::size_t
hash_value(sprout::basic_string_view<T, Traits> const& v) {
return sprout::hash_range(v);
}
} // namespace sprout
namespace std {
#if defined(__clang__)
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wmismatched-tags"
#endif
//
// hash
//
template<typename T, typename Traits>
struct hash<sprout::basic_string_view<T, Traits> >
: public sprout::hash<sprout::basic_string_view<T, Traits> >
{};
#if defined(__clang__)
# pragma clang diagnostic pop
#endif
} // namespace std
#endif // #ifndef SPROUT_UTILITY_STRING_VIEW_HASH_HPP