Re: [Boost-users] [smart_ptr]why scoped_ptr c ann't used in this case, yet shared_ptr ca n

From: Ilya Sokolov (fal_delivery_at_[hidden])
Date: 2007-07-13 04:14:22

>  //cpeer.h
> 
> #ifndef CPEER_H_
> #define CPEER_H_
> 
> #include <string>
> struct CPeer
> {
>     std::string name;
> };
> #endif /*CPEER_H_*/
> 
> //cpeermanager.h
> 
> #ifndef CPEERMANAGER_H_
> #define CPEERMANAGER_H_
> 
> class CPeer;
> 
> #include <boost/shared_ptr.hpp>
> #include <boost/scoped_ptr.hpp>
> 
> 
> class CPeerManager
> {
> public:
>   CPeerManager();

+ ~CPeerManager();

>   boost::scoped_ptr<CPeer> cp_; //error
>  // boost::shared_ptr<CPeer> cp_;  // ok
> };
> 
> #endif /*CPEERMANAGER_H_*/
> 
> //cpeermanager.cpp
> 
> #include "cpeer.h"
> #include "cpeermanager.h"
> 
> 
> 
> CPeerManager::CPeerManager():
> cp_  (new CPeer() )
> {
>    
> }

+  // define a destructor at the point where CPeer is complete
+  CPeerManager::~CPeerManager()
+  {}

> 
> //main.cpp
> 
> #include "cpeermanager.h"
> 
[snip]