c++防止构造函数隐式转换示例

/*******************************************************
*author：彭晓林
*copyright: 版权所有，翻版不究
*function: 防止s构造函数隐式转换示例
******************************************************/

#include <iostream>
#include <string>

using namespace std;

class DEMO
{
public:
explicit DEMO(int a)
{
x = a;
cout<<"调用构造函数"<<endl;
}
~DEMO()
{
cout<<"调用析构函数"<<endl;
}

private:
int x;
};

int main()
{
DEMO TestA(2);

TestA = DEMO(2);

while(1);
}