Sprout/sprout/functional/hash/std/array.hpp

31 lines
1 KiB
C++

/*=============================================================================
Copyright (c) 2011-2014 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_FUNCTIONAL_HASH_STD_ARRAY_HPP
#define SPROUT_FUNCTIONAL_HASH_STD_ARRAY_HPP
#include <array>
#include <sprout/config.hpp>
#include <sprout/workaround/std/cstddef.hpp>
#include <sprout/functional/hash/hash_value_traits.hpp>
#include <sprout/functional/hash/hash_range.hpp>
namespace sprout {
//
// hash_value_traits
//
template<typename T, std::size_t N>
struct hash_value_traits<std::array<T, N> > {
public:
static SPROUT_CONSTEXPR std::size_t
hash_value(std::array<T, N> const& v) {
return sprout::hash_range(v);
}
};
} // namespace sprout
#endif // #ifndef SPROUT_FUNCTIONAL_HASH_STD_ARRAY_HPP