#include <iostream>
template <typename T>
class sgink
{
public:
void pri();
private:
struct node
{
T data;
node* next{nullptr};
};
node head;
};
template <typename T>
void sgink<T>::pri()
{
std::cout << head.data << std::endl;
}
int main()
{
sgink<int> a;
a.pri();
return 0;
}
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