c++ example of how to compose an operation

ComposeFunctor.cpp

#include <iostream>
#include <string>
#include <memory>


class Base{
    public:
    Base(){

    }
    virtual void operation() = 0;
    static std::string data;
};

std::string Base::data;

class SetName : private Base{
    public:

    void operation() override{
        this->data = "Pius";
    }
};

class GetName : private Base{
    public:

    void operation() override{
        std::cout << this->data << "\n";
    }
};

class Checker : private Base{
    public:

    void operation() override{
        if(this->data == "Pius"){
            std::cout << "Data has been set to Pius\n";
        }else{
            std::cout << "Still not set\n";
        }
    }
};


template<typename... Classes>
class RunAllHelper;

template<typename Class, typename... RemainingClasses>
class RunAllHelper<Class, RemainingClasses...> {
public:
    void execute() {
        Class obj;
        obj.operation();
        RunAllHelper<RemainingClasses...> helper;
        helper.execute();
    }
};

template<>
class RunAllHelper<> {
public:
    void execute() {
    }
};



template <typename... T>
class Runall{
    public:
    void operator ()(){
       RunAllHelper<T...> helper;
       helper.execute();
    }
    
};



int main(){
    
    Runall<SetName, GetName, Checker> run;
    
    run();
    
}