#include <iostream>
using namespace std;
template <class T>
class MyClass{
public:
template<class U>
MyClass(const MyClass<U>& x)
{
cout<<"MyClass(const MyClass<U>& x)"<<endl;
}
MyClass(const MyClass<T>& x)
{
cout<<"MyClass(const MyClass<T>& x)"<<endl;
}
MyClass()
{
cout<<"MyClass()"<<endl;
}
};
void main()
{
MyClass<double> xd;
cout<<"========================"<<endl;
MyClass<int> xi(xd);
cout<<"========================"<<endl;
MyClass<int> yi(xi);
/*
MyClass()
========================
MyClass(const MyClass<U>& x)
========================
MyClass(const MyClass<T>& x)
Press any key to continue
*/
}