[완료][c++]자료구조 stack을 공부하고 있는데 template적용이 안돼요.

//In file Stack.h
#include <iostream>
 
using namespace std;
 
template <class T> 
class Stack
{
         public:
                 Stack();                        
                 void Push(const T parameter);  
                 T Pop();                       
                 int Size() const;               
                 bool IsEmpty() const;            
         private:
                 T *stack;                     
                 T *top;                        
                 int size;                      
};

//In file Stack.cpp
#include "Stack.h"
 
template <class T>
Stack<T>::Stack()
{
        stack = new T[10];
        top = stack;
        size = 0;
}
 
template <class T>
void Stack<T>::Push(const T parameter)
{
        top[++size] = parameter;
}
 
template <class T>
T Stack<T>::Pop()
{
        return top[size--];
}
 
template <class T>
int Stack<T>::Size() const
{
        return size;
}
 
template <class T> 
bool Stack<T>::IsEmpty() const
{
        return size == 0;
}

//In file mainStack.cpp
#include "Stack.h"
 
int main(void)
{
        Stack<int> testStack;
 
        testStack.Push(3);
        testStack.Push(5);
        cout << testStack.Pop() << endl;
        cout << testStack.Pop() << endl;
}

g++ -o Stack Stack.h Stack.cpp mainStack.cpp

/tmp/cciKn6zJ.o: In function `main':
mainStack.cpp:(.text+0x11): undefined reference to `Stack<int>::Stack()'
mainStack.cpp:(.text+0x35): undefined reference to `Stack<int>::Push(int)'
mainStack.cpp:(.text+0x49): undefined reference to `Stack<int>::Push(int)'
mainStack.cpp:(.text+0x55): undefined reference to `Stack<int>::Pop()'
mainStack.cpp:(.text+0x81): undefined reference to `Stack<int>::Pop()'
collect2: ld returned 1 exit status