编写一个函数模板swap，调试时出现没有与参数列表匹配的重载函数“swap”实例

Question

 

Answer 1

template<typename T> void Swap(T *a, T *b){
    T temp = *a;
    *a = *b;
    *b = temp;
}
int main(){
    //交换 int 变量的值
    int n1 = 100, n2 = 200;
    Swap(&n1, &n2);
    cout<<n1<<", "<<n2<<endl;
}