stack.h

gistfile1.txt

#ifndef _STACK_H
#define _STACK_H

#include <iostream>
using namespace std;

template <class T>
class Stack{
    T* data;
    int top;
    int max_size;
public:
    Stack();
    Stack(int size);
    Stack(const Stack<T>& s);
    Stack& operator=(const Stack<T>& s);
    ~Stack();
    bool IsEmpty()const;
    bool IsFull()const;
    bool Push(T item);
    bool Pop(T &item);
    
    template <class U>
    friend ostream& operator<<(ostream& os, const Stack<U>& s);
};

#endif