Destructor in C++ language

#include<iostream>

using namespace std;

class demo

{

public:

demo()

{

cout<<"constructor is called"<<endl;

}

~demo()

{

cout<<"destructor is called"<<endl;

}

};

void fun()

{

demo d;

}

int main()

{

cout<<"before.........."<<endl;

fun();

cout<<"after...........";

return 0;

}