multiple_inheritance.cpp

#include <iostream>
#include <string>
#include <assert.h>

class Animal 
{
public:
    double age;
};

class Pet 
{
public:
    std::string name;
};

// Dog derives from *both* Animal and Pet
class Dog : public Animal, public Pet 
{
public:
    std::string breed;
};

// Cat also derives from both Animal and Pet
// but the constructor assignment does not see its inherited fields
class Cat : public Animal, public Pet
{
    public:
    Cat(double age, std::string name, std::string color) 
        : age(age), name(name), color(color)
    {}
    
    std::string color;
};

int main()
{
    Cat cat(10, "Max", "black");
    assert(cat.color == "black");
    assert(cat.age == 10);
    assert(cat.name == "Max");
}