Sprout/sprout/functional/hash/std/utility.hpp
2013-04-22 13:04:27 +09:00

24 lines
654 B
C++

#ifndef SPROUT_FUNCTIONAL_HASH_STD_UTILITY_HPP
#define SPROUT_FUNCTIONAL_HASH_STD_UTILITY_HPP
#include <cstddef>
#include <utility>
#include <sprout/config.hpp>
#include <sprout/functional/hash/hash_value_traits.hpp>
#include <sprout/functional/hash/hash_values.hpp>
namespace sprout {
//
// hash_value_traits
//
template<typename T1, typename T2>
struct hash_value_traits<std::pair<T1, T2> > {
public:
static SPROUT_CONSTEXPR std::size_t
hash_value(std::pair<T1, T2> const& v) {
return sprout::hash_values(v.first, v.second);
}
};
} // namespace sprout
#endif // #ifndef SPROUT_FUNCTIONAL_HASH_STD_UTILITY_HPP