template class 중단

#include
#include
using namespace std;

template
class List {
private:
T * m_data[size];
public:
List() {
for (int i = 0; i < size; i++) {
m_data[i] = 0;
}
}
List(const List& another) {
for (int i = 0; i < size; i++) {
m_data[i] = another.m_data[i];
}
}
~List() {
for (int i = 0; i < size; i++) {
if (m_data != 0) {
delete m_data[i];
}
}
}
int add(T in) {
for (int i = 0; i if (m_data[i] == 0) {
m_data[i] = new T(in);
return i;
}
}
return -1;
}
int find(T what) {
for (int i = 0; i if (m_data[i] != 0) {
if (*(m_data[i]) == what) {
cout << "Find" << endl;
return 1;
}
}
}
return -1;
}
int remove(int index) {
if (m_data

!= 0) {
cout << "deleting...(" << index << ")" << endl;
delete m_data

;
return 1;
}
return -1;
}
};

class Complex
{
private:
int re, im;
public:
Complex(int a, int b) { re = a; im = b; }
int operator ==(Complex C);
};
int Complex::operator == (Complex C)
{
return re == C.re && im == C.im;
}

class String
{
private:
char * data;
public:
String(char * in) { data = in; }
int operator ==(String C);
};
int String::operator ==(String C)
{
return (*data) == *(C.data);
}

void main()
{
List cList;
List sList;

int i1 = cList.add(Complex(0, 0));
cList.add(Complex(1, 1));
int i2 = sList.add("abc");
sList.add("def");
cList.find(Complex(1, 0));
sList.find("def");
cList.remove(i1);
sList.remove(i2);

system("PAUSE");
}

컴파일은 잘되는데
소멸자에 delete 에서 중단이되네요 ㅠㅠ
무슨문제인가요