Mega Code Archive
Returning objects
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#include <iostream>
using namespace std;
class MyClass {
int val;
public:
MyClass(int i) {
val = i;
cout << "Inside constructor\n";
}
~MyClass() {
cout << "Destructing\n";
}
int getval() {
return val;
}
MyClass mkBigger() {
MyClass o(val * 2);
return o; // Return an object.
}
};
void display(MyClass ob)
{
cout << ob.getval() << '\n';
}
int main()
{
cout << "Before constructing a.\n";
MyClass a(10);
cout << "After constructing a.\n";
cout << "Before call to display().\n";
display(a);
cout << "After display() returns.\n";
cout << "Before call to mkBigger().\n";
a = a.mkBigger();
cout << "After mkBigger() returns.\n";
cout << "Before second call to display().\n";
display(a);
cout << "After display() returns.\n";
return 0;
}
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