Sprout/sprout/bitset/hash.hpp
2017-07-29 14:20:01 +09:00

46 lines
1.2 KiB
C++

/*=============================================================================
Copyright (c) 2011-2017 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_BITSET_HASH_HPP
#define SPROUT_BITSET_HASH_HPP
#include <functional>
#include <sprout/config.hpp>
#include <sprout/workaround/std/cstddef.hpp>
#include <sprout/bitset/bitset.hpp>
namespace sprout {
// 20.5.3 hash support
//
// hash_value
//
template<std::size_t N>
inline SPROUT_CONSTEXPR std::size_t
hash_value(sprout::bitset<N> const& v) {
return v.to_hash();
}
} // namespace sprout
namespace std {
#if defined(__clang__)
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wmismatched-tags"
#endif
//
// hash
//
template<std::size_t N>
struct hash<sprout::bitset<N> >
: public sprout::hash<sprout::bitset<N> >
{};
#if defined(__clang__)
# pragma clang diagnostic pop
#endif
} // namespace std
#endif // #ifndef SPROUT_BITSET_HASH_HPP