Question

I can’t figure out how to call a base class method from a derived class method but concurrently applying this method call at an object passed as argument.

What I mean is this:

class Animal
{ 
    virtual void eat(Animal& to_be_eaten) = 0;
 };

class Carnivores: public Animal
{ 
    virtual void eat(Animal& to_be_eaten) { /*implementation here*/}

};

class Wolf : public Carnivores
{ 
    virtual void eat(Animal& to_be_eaten)
    { /*call eat method(of Base class) of Base to_be_eaten here*/ }
 }

I thought of something like this

 dynamic_cast<Carnivores&>(to_be_eaten).eat(*this) //and got a segmentation fault

Is there any way for this to be done?

Thank you!

New edit::
Updated the code

Answer 1

As simple as:

class Derived : public Base  {
    virtual void eat(Animal& to_be_eaten) { 
        Base::eat(to_be_eaten);
        // do anything you want with to_be_eaten here.
    }
};

EDIT: This works for me:

class Animal
{ 
    virtual void eat(Animal& to_be_eaten) = 0;
 };

class Carnivores: public Animal
{ 
    virtual void eat(Animal& to_be_eaten) { /*implementation here*/}

};

class Wolf : public Carnivores
{ 
    virtual void eat(Animal& to_be_eaten)
    { 
        Carnivores *c = dynamic_cast<Carnivores*>(&to_be_eaten);
        if(c) 
            c->Carnivores::eat(*this);
    }
 }

Note that i had to make Base::eat public in order to call it from Derived.