1
0
Fork 0
mirror of https://github.com/bolero-MURAKAMI/Sprout synced 2024-11-12 21:09:01 +00:00
Sprout/sprout/logic/tribool/hash.hpp
bolero-MURAKAMI 66da9f4fea fix math::log implementation
support std::hash
2013-02-07 03:11:17 +09:00

42 lines
993 B
C++

#ifndef SPROUT_LOGIC_TRIBOOL_HASH_HPP
#define SPROUT_LOGIC_TRIBOOL_HASH_HPP
#include <cstddef>
#include <sprout/config.hpp>
#include <sprout/logic/tribool/tribool.hpp>
#include <sprout/functional/hash.hpp>
namespace sprout {
//
// hash_value
//
inline SPROUT_CONSTEXPR std::size_t
hash_value(sprout::logic::indeterminate_keyword_t) {
return sprout::logic::tribool::indeterminate_value;
}
namespace logic {
//
// hash_value
//
inline SPROUT_CONSTEXPR std::size_t
hash_value(sprout::logic::tribool const& v) {
return sprout::to_hash(v.value);
}
} // namespace logic
} // namespace sprout
namespace std {
//
// hash
//
template<>
struct hash<sprout::logic::indeterminate_keyword_t>
: public sprout::hash<sprout::logic::indeterminate_keyword_t>
{};
template<>
struct hash<sprout::logic::tribool>
: public sprout::hash<sprout::logic::tribool>
{};
} // namespace std
#endif // #ifndef SPROUT_LOGIC_TRIBOOL_HASH_HPP