panthema / 2006 / SDIOS06 / sdios06 / include / libstdc++ / utility (Download File)
#ifndef UTILITY_
#define UTILITY_

namespace std {

	template<typename T1, typename T2>
	class pair
	{
	public:
		T1 first;
		T2 second;
		
		pair()
			: first(), second()
		{}
		
		pair(const T1& v1, const T2& v2)
			: first(v1), second(v2)
		{}
		
		template<typename U1, typename U2>
		pair(const pair<U1, U2>& other)
			: first(other.first), second(other.second)
		{}
		
		bool operator== (const pair& other) const
		{
			return first == other.first && second == other.second;
		}
		
		bool operator!= (const pair& other) const
		{
			return ! (*this == other);
		}
		
		bool operator< (const pair& other) const
		{
			if(first < other.first)
				return true;
			if(other.first < first)
				return false;
			return second < other.second;
		}		
	};
	
	template<typename T1, typename T2>
	inline pair<T1, T2>
	make_pair(T1 v1, T2 v2)
	{
		return pair<T1, T2> (v1, v2);
	}
}

#endif /*UTILITY_*/
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