const object 상수형 객체

	///
	/// If the object is const, both the function and the variable become read-only.
	/// (Korean) 객체가 const 인 경우, 함수와 변수 모두 읽기 전용 값이 된다.
	///
	class ConstTest
	{
	public:
	ConstTest() { a = 10; }
	int a;
	const int b = 1000;
	public:
	int get_a_const() const { return a; }
	int get_a() { return a; }
	int get_b() { return b; }
	};
	void test( const ConstTest* pConst, ConstTest* pNonConst )
	{
	int ret1 = pConst->get_a_const(); /// OK
	// int ret2 = pConst->get_a(); /// COMPILE ERROR
	int ret3 = pNonConst->get_a_const(); /// OK
	int ret4 = pNonConst->get_a(); /// OK
	}
	int main(int argc, char* argv[])
	{
	ConstTest ct1, ct2;
	test( &ct1, &ct2 );
	const ConstTest ct3;
	ct3.get_a_const(); /// OK
	// ct3.get_a(); /// COMPILE ERROR
	ConstTest ct4;
	ct4.get_b(); /// OK
	// ct4.b = 300; /// COMPILE ERROR
	const ConstTest ct5;
	// ct5.a = 100; /// COMPILE ERROR
	return 0;
	}

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