问对`Stack<char>：：Stack()的未定义引用

EN

obj\Debug\main.o||In function `main':|
E:\project\test\main.cpp|15|undefined reference to `Stack<char>::Stack()'|
E:\project\test\main.cpp|23|undefined reference to `Stack<char>::shiftL()'|
E:\project\test\main.cpp|28|undefined reference to `Stack<char>::shiftR()'|
E:\project\test\main.cpp|33|undefined reference to `Stack<char>::Del()'|
E:\project\test\main.cpp|36|undefined reference to `Stack<char>::push(char)'|
||error: ld returned 1 exit status|
||=== Build failed: 6 error(s), 0 warning(s) (0 minute(s), 0 second(s)) ===|

#ifndef STACK_H_INCLUDED
#define STACK_H_INCLUDED

template <class Type>
struct List
{
    Type content;
    List<Type> *head;
    List<Type> *end;
};

template <class Type>
class Stack
{
public:
    Stack();
    ~Stack(){};
    void push(Type x);
    void Del();
    void shiftL();
    void shiftR();
    List<Type> *Front(){ return front; }
    List<Type> *Back(){ return back; }
private:
    List<Type> *front;
    List<Type> *back;
    List<Type> *operate;
    List<Type> F;
    List<Type> B;
    int pos;
};
#endif // STACK_H_INCLUDED

#include"Stack.h"
#include<stdio.h>
template<class Type>
Stack<Type>::Stack()
{
    F.head = B.end = NULL;
    front = &F;
    back = &B;
    front->end = &B;
    back->head = &F;
    operate = back;
    pos = 0;
}
template<class Type>
void Stack<Type>::Del()
{
    if (pos>0)
    {
        List<Type>* temp;
        temp = operate;
        operate = operate->end;
        operate->head = temp->head;
        temp->head->end = operate;
        pos--;
    }
}
template<class Type>
void Stack<Type>::shiftL()
{
    if (pos>0)
    {
        operate = operate->end;
        pos--;
    }

}
template<class Type>
void Stack<Type>::shiftR()
{
    if (operate->head != front)
    {
        operate = operate->head;
        pos++;
    }
}
template<class Type>
void Stack<Type>::push(Type x)
{

    List<Type>* temp;
    temp = new List<Type>;
    temp->content = x;
    temp->end = operate;
    temp->head = operate->head;
    operate->head->end = temp;
    operate->head = temp;
    operate = operate->head;
    pos++;
}

#include<stdio.h>
#include<iostream>
#include"Stack.h"
using namespace std;

int main()
{
    char c;
    int k;
    cin >> k;
    getchar();
    for (int j = 0; j < k; j++)
    {
        Stack<char> password;
        while (1)
        {
            c = getchar();
            if (c == '\n')
                break;
            if (c == '<')
            {
                password.shiftL();
                continue;
            }
            if (c == '>')
            {
                password.shiftR();
                continue;
            }
            if (c == '-')
            {
                password.Del();
                continue;
            }
            password.push(c);
        }

            List<char>* i;
            for (i = password.Back()->head; i != password.Front(); i = i->head)
                printf("%c", i->content);
            printf("\n");
    }
    return 0;
}