Sprout/sprout/utility/pair/comparison.hpp
2017-07-29 14:20:01 +09:00

47 lines
1.7 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_UTILITY_PAIR_COMPARISON_HPP
#define SPROUT_UTILITY_PAIR_COMPARISON_HPP
#include <sprout/config.hpp>
#include <sprout/utility/pair/pair.hpp>
namespace sprout {
template<typename T1, typename T2>
inline SPROUT_CONSTEXPR bool
operator==(sprout::pair<T1, T2> const& x, sprout::pair<T1, T2> const& y) {
return x.first == y.first && x.second == y.second;
}
template<typename T1, typename T2>
inline SPROUT_CONSTEXPR bool
operator!=(sprout::pair<T1, T2> const& x, sprout::pair<T1, T2> const& y) {
return !(x == y);
}
template<typename T1, typename T2>
inline SPROUT_CONSTEXPR bool
operator<(sprout::pair<T1, T2> const& x, sprout::pair<T1, T2> const& y) {
return ((x.first) < (y.first)) || (!((y.first) < (x.first)) && ((x.second) < (y.second)));
}
template<typename T1, typename T2>
inline SPROUT_CONSTEXPR bool
operator>(sprout::pair<T1, T2> const& x, sprout::pair<T1, T2> const& y) {
return y < x;
}
template<typename T1, typename T2>
inline SPROUT_CONSTEXPR bool
operator<=(sprout::pair<T1, T2> const& x, sprout::pair<T1, T2> const& y) {
return !(y < x);
}
template<typename T1, typename T2>
inline SPROUT_CONSTEXPR bool
operator>=(sprout::pair<T1, T2> const& x, sprout::pair<T1, T2> const& y) {
return !(x < y);
}
} // namespace sprout
#endif // #ifndef SPROUT_UTILITY_PAIR_COMPARISON_HPP