class A
{
public:
A (int i=0);
A (const A& rhs);
const A&
operator= (const A& rhs);
virtual ~A() {}
int get_int();
protected:
int m_int;
};
A::A (int i) :
m_int(i)
{
}
A::A (const A& rhs) :
m_int (rhs.m_int)
{
}
const A &
A::operator =(const A& rhs)
{
m_int = rhs.m_int;
return *this;
}
int A::get_int()
{
return m_int;
}
class B
{
public:
B () {}
A AInstance();
};
A
B::AInstance()
{
A a(12);
return a;
}
int main (int argc, char const *argv[])
{
B b;
int return_val = b.AInstance().get_int();
A a(b.AInstance());
return return_val;
}