General Purpose library for Freestanding C++ and POSIX systems
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#pragma once
#include "gp/algorithm/move.hpp"
namespace gp{
template<typename T1, typename T2>
struct pair{
T1 first;
T2 second;
pair() : first(), second() {}
pair(const T1& a, const T2& b) : first(a), second(b) {}
pair(pair&& v)
: first(gp::move(v.first))
, second(gp::move(v.second))
{}
template<typename U1, typename U2>
pair(U1&& a, U2&& b)
: first(gp::forward<U1>(a))
, second(gp::forward<U2>(b))
{}
template<typename U1, typename U2>
pair(pair<U1, U2>&& v)
: first(gp::move(v.first))
, second(gp::move(v.second))
{}
pair& operator=(pair&& v)
{
first = gp::move(v.first);
second = gp::move(v.second);
return *this;
}
};
template<typename F, typename S>
bool operator==(const pair<F, S>& lhs, const pair<F, S>& rhs) {
return lhs.first == rhs.first and lhs.second == rhs.second;
}
template<typename F, typename S>
bool operator!=(const pair<F, S>& lhs, const pair<F, S>& rhs) {
return lhs.first != rhs.first or lhs.second != rhs.second;
}
template<typename F, typename S>
bool operator<=(const pair<F, S>& lhs, const pair<F, S>& rhs) {
if(lhs.first > rhs.first) {
return false;
} else if(lhs.first == rhs.first) {
return lhs.second <= rhs.second;
}
return true;
}
template<typename F, typename S>
bool operator>=(const pair<F, S>& lhs, const pair<F, S>& rhs) {
if(lhs.first < rhs.first) {
return false;
} else if(lhs.first == rhs.first) {
return lhs.second >= rhs.second;
}
return true;
}
template<typename F, typename S>
bool operator<(const pair<F, S>& lhs, const pair<F, S>& rhs) {
return !(lhs >= rhs);
}
template<typename F, typename S>
bool operator>(const pair<F, S>& lhs, const pair<F, S>& rhs) {
return !(lhs <= rhs);
}
}