inner class 의 템플릿 완전특화

class A
{
protected:
	template< typename T > struct SDataManipulator{};
	template<> struct SDataManipulator< int >
	{
		static int convertData(char* _pSzData){ return atoi( _pSzData ); }
		static const int getZero(){return 0;}
	};
	template<> struct SDataManipulator< std::string >
	{
		static char* convertData(char* _pSzData){ return _pSzData; }
		static const char* getZero(){ return "0";}
	};
};