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Sprout/sprout/pit/hash.hpp
2016-02-25 18:48:28 +09:00

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1.2 KiB
C++

/*=============================================================================
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_PIT_HASH_HPP
#define SPROUT_PIT_HASH_HPP
#include <functional>
#include <sprout/config.hpp>
#include <sprout/workaround/std/cstddef.hpp>
#include <sprout/pit/pit.hpp>
#include <sprout/functional/hash.hpp>
namespace sprout {
//
// hash_value
//
template<typename Container>
inline SPROUT_CONSTEXPR std::size_t
hash_value(sprout::pit<Container> const& v) {
return sprout::to_hash(v.elem);
}
} // namespace sprout
namespace std {
#if defined(__clang__)
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wmismatched-tags"
#endif
//
// hash
//
template<typename Container>
struct hash<sprout::pit<Container> >
: public sprout::hash<sprout::pit<Container> >
{};
#if defined(__clang__)
# pragma clang diagnostic pop
#endif
} // namespace std
#endif // #ifndef SPROUT_PIT_HASH_HPP