C ++'s simple handle class template

C ++'s simple handle class template

#ifndef HANDLE_H#define HANDLE_H #include "Animal.h"template 
 
  class Handle{    public:        Handle(T *ptr);        Handle(const Handle &other);        Handle &operator = (const Handle &other);        ~Handle();        T *operator->();    private:        T *ptr_;};template 
  
   inline Handle
   
    ::Handle(T *ptr)    :ptr_(ptr->copy()){}template 
    
     inline Handle
     
      ::Handle(const Handle &other)    :ptr_(other.ptr_->copy()){}template 
      
       inline Handle
       
         &Handle
        
         ::operator = (const Handle &other){ if(this != &other){ delete ptr_; ptr_ = other.ptr_->copy(); } return *this;}template 
         
          inline Handle
          
           ::~Handle(){ delete ptr_;}template 
           
            inline T *Handle
            
             ::operator -> (){ return ptr_;}#endif /*HANDLE_H*/