This was meant "To be API compatible" stack implementation with C++ STL stack that couldn't be and uses vector under the hood.

stack.cpp

#include "stack.hpp"
//////////////////////////////////   This is an implementation file ///////////////////////////////////////////////////////
/////////////////////////////////    How to use this in your code? ///////////////////////////////////////////////////////
/*
   First include "stack.hpp> in your source file at the top.
   1. g++ -o <outputbinaryfilename> <yourfilename> stack.cpp
   2. g++ -o stack.o -c stack.cpp
      g++ -o main.o -c <yourfilename>
      g++ -o main.o stack.o
*/
template<typename T> void Stack<T>::push(T incomingdata){
    stackdata.push_back(incomingdata);
}

template<typename T> void Stack<T>::pop(){
    if(!empty()) stackdata.pop_back();
}

template<typename T> T Stack<T>::top(){
    return stackdata.back();
}

template<typename T>int Stack<T>::empty(){
    return stackdata.empty();
}

template<typename T> int Stack<T>::size(){
    return stackdata.size();
}

stack.hpp

//// stack is an API compatible version of Stack-STL
#include <vector>
#ifndef STACK_HPP
#define STACK_HPP
#endif 
template <typename T>
class Stack{
        std::vector<T> stackdata;
    public:
        /// Programming Interfaces
        void push(T incomingdata);
        T top();
        void pop();
        int empty();
        void swap();
        int size();
};

// Explicit template instantiation
template class Stack<int>;
template class Stack<char>;
template class Stack<double>;
template class Stack<float>;