Destructor Demo

destructor01.cpp

// This program demonstrates a destructor.

#include <iostream>
#include <string>
using namespace std;

// Class specification
class Demo {
public:
   Demo();     // Constructor
   Demo(string);
   ~Demo();    // Destructor
private: 
   string name;
};

// Class implementation
Demo::Demo() {
   cout << "Default constructor!\n";
}

Demo::Demo(string n) {
   name = n;
   cout << "\tConstructor with parameter: " << name << endl;
}

Demo::~Demo() {
   cout << "\tDestructor for: "  << name << " \n";
}

//
// Main function
//

Demo globalDemo("Global"); 

void foo() {
    Demo fooDemo("Foo");
    cout << "I am the body of the foo function" << endl;
    return;
}

int main() {
   Demo demoObject("InMain"); 

   cout << "I am the body of main function before calling foo" << endl;
   foo();
   cout << "I am the body of main function after calling foo" << endl;

   return 0;
}

Noten el orden en que se ejecutan los constructores y destructores.