#include<iostream>
class Base{};
class Derived : public Base
{
   public:
    Derived(){}
    Derived(const Base &rhs)
    {
        std::cout<<"\n In conversion constructor";
    }
    const Derived &operator=(const Base &rhs)
    {
        std::cout<<"\n In operator=";
        return *this;
    }
};
 
void doSomething(Derived obj)
{
    std::cout<<"\n In doSomething";
}
int main()
{
    Base obj1;
    doSomething(obj1);
 
 
    Derived obj2;
    obj2 = obj1;    
    return 0;
}

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