stack.h

#ifndef STACK_H
#define STACK_H

#include<iostream>
using namespace std;

template <class T>
class Stack
{
    private:
        int size, top;
        T s_ptr;
    public:
        Stack(int);
        ~Stack();
        void push(T val);
        T peek();
        T pop();
        bool isEmpty();

};

template <class T>
Stack<T>::Stack(int maxsize)
{
    size = maxsize;
    top = -1;
    s_ptr = new T(size);
}

template <class T>
Stack<T>::~Stack()
{
    //delete
}

template <class T>
void Stack<T>::push(T val)
{
    if(!isfull())
    {
        s_ptr[++top] = val;
    }
    else
    {
        cout << "\n\nStack is full" << endl;
    }
}


template <class T>
T Stack<T>::pop()
{
    if(!isEmpty())
    {
        return s_ptr[top--];
    }
    else
    {
        cout << "\n\nStack is empty" << endl;
    }
}

template <class T>
T Stack<T>::peek()
{
    if (!isEmpty())
        return s_ptr[top];
    else
        exit(EXIT_FAILURE);
}

template <class T>
bool Stack<T>::isEmpty()
{
    return top == -1;
}

#endif