cons.cpp #1

#include <iostream>

class Foo
{
public:
    Foo()
    {
        std::cout << "foo" << std::endl;
    }
    virtual ~Foo()
    {

    }
};

class Bar : public Foo
{
public:
    Bar(int i)
    {
        std::cout << "bar" << std::endl;
    }
    ~Bar()
    {

    }
};

int main(int argc, const char *argv[])
{
    Bar bar(1);
    return 0;
}