#ifndef _BOXTPTR_HPP_
#define _BOXTPTR_HPP_

#include "Box.hpp"

template<typename T>
class Box<T*> {
  T *e;
public:
  Box();
  Box(T* e);
  Box(const Box<T*>& b);
  ~Box();
  T* get() const;
  void set(T* e);
  template <T*>
  friend std::ostream& operator<<(std::ostream& out, const Box<T*>& t);
  Box<T*>& operator=(Box<T*>& b);
};

template <typename T>
Box<T*>::Box() {
  this->e = nullptr;
}

template <typename T>
Box<T*>::Box(T* e) {
  this->e = new T;
  *(this->e) = *e;
}

template <typename T>
Box<T*>::Box(const Box<T*>& b) {
  this->e = new T;
  *(this->e) = *b.e;
}

template <typename T>
Box<T*>::~Box() {
  delete this->e;
}

template <typename T>
T* Box<T*>::get() const { 
  T *ce = new T;
  *ce = *e;
  return ce;
}

template <typename T>
void Box<T*>::set(T *e) { 
  if(this->e != nullptr)
    delete this->e;
  this->e = new T;
  *(this->e) = *e;
}

template <typename T>
std::ostream& operator<<(std::ostream& out, const Box<T*>& t) {
  T* ptr = t.get();
  out << *ptr;
  delete ptr;
  return out;
}

template <typename T>
Box<T*>& Box<T*>::operator=(Box<T*>& b){
  set(b.e);
  return *this;
}
#endif