C / C++ / MFC

void anotherMethod(auto_ptr<Foo> foo)
{
	cout << "Taken ownership. " << foo->getAString() << endl;
}
int _tmain(int argc, _TCHAR* argv[])
{
	auto_ptr<Foo> foo(new Foo);
	cout << foo->getAString() << endl;
	anotherMethod(foo);
	// this will throw error as the pointer is deleted
	cout << "From main again " << foo->getAString();
	cout << "Ending main" << endl;
	return 0;
}

void anotherMethod(const auto_ptr<Foo>& foo)
{
	cout << "Taken ownership. " << foo->getAString() << endl;
}

void anotherMethod(Foo* foo)
{
	cout << "Taken ownership. " << foo->getAString() << endl;
}

// in main I called like
auto_ptr<Foo> foo(new Foo);
anotherMethod(foo.get());