#include<iostream.h>
#include<LINK/basic/MSet.h>

main()
{
	MSet<int> mset1, mset2;

	for (int i=0; i<3; i++)
		mset1.append(i);

	mset1.insert(0);
	mset2 = mset1;		// reference count increment
	mset2.append(0);	// copy

	cout << mset1 << endl;
	cout << mset2 << endl;
}