#include #include /* Template Specialization example by Manual Useful when you need a class to have completly different methods depending on the parameters resources: https://www.geeksforgeeks.org/template-specialization-c/ https://www.youtube.com/watch?v=8kjVFp-Y4GA&list=PLZ4VWXVGOuvQR7wXm6kvJc18KmXhKwzl1&index=40&t=184s */ /* a base abstract class for all future character classes */ class Character { private: public: /* pure virtual method so no objects of this class can be created. So only classes the inherit it can make use of this class. */ virtual void SetName(std::string passed_name) = 0; virtual std::string GetName() = 0; }; /* A type of character derived from the Parent Character class */ class Hero: public Character { private: std::string name; public: Hero(); Hero(std::string hero_name); ~Hero(); void SetName(std::string passed_name); std::string GetName(){return name; } }; /* External definitions of class method typicaly put in the .h or .hpp file */ Hero::Hero() { } Hero::Hero(std::string hero_name) { SetName(hero_name); } Hero::~Hero() { } void Hero::SetName(std::string passed_name) { name = passed_name; } /* Another type of character derived from the Parent Character class */ class Villian: public Character { private: std::string name; public: Villian(); Villian(std::string villian_name); ~Villian(); void SetName(std::string passed_name); std::string GetName(){return name;} }; Villian::Villian() { } Villian::Villian(std::string villian_name) { SetName(villian_name); } Villian::~Villian() { } void Villian::SetName(std::string passed_name) { name = passed_name; } /* The main Template of the template class */ template // class H is an undefined class to tell the template a class of any type will be used class Crowd { public: Crowd(H h) { std::cout << "who is that? "<<"\n"; } }; template <> // template is left empty for explicate definitions class Crowd //Specialized Template used when the hero is the arguement for the class constructor { public: Crowd(Hero super_hero) { Cheer(super_hero); } //Unique method for the hero void Cheer(Hero passed_hero); }; void Crowd ::Cheer(Hero passed_hero) { std::cout<<"hooray! Its "<< passed_hero.GetName() << "!\n"; } template <> class Crowd //Specialized Template used when the villian is the arguement for the class constructor { public: Crowd(Villian bad_guy) { Panic(bad_guy); } //Unique method for the villian void Panic(Villian passed_villian); }; void Crowd ::Panic(Villian passed_villian) { std::cout <<"Oh no! Its "<< passed_villian.GetName() << "!\n"; } /* the main */ int main() { Villian wiles("Wiles"); Hero power_prince("Power Prince"); Crowd citizens(power_prince); Crowd other_citizens(wiles); return 0; }

template specialization example