Re: [Boost-users] Boost Ref Counting & Smart Pointers

From: Simon Buchan (simon_at_[hidden])
Date: 2005-10-10 01:15:28

Marshall Clow wrote:
> At 10:08 PM -0400 10/7/05, Piyush Kapadia wrote:
> 
>>Does Boost Library internally does Reference counting for most of 
>>its internal objects ?
>>
>>Does it also use it's shared_ptr kind of Smart pointer 
>>implementation internally ?
>>
>>Sorry for my ignorance, but isn't there any cleaner Smart Pointer 
>>implementation where we don't have to use new every time initiating 
>>object and smart pointer becomes part of the class rather that 
>>separate implementation like following -
>>
>>shared_ptr sp(new int(5));
> 
> 
> How about (untested code, but I have something pretty similar in my code):
> 
> template <class T>
> boost::shared_ptr<T> New () { return boost::shared_ptr<T> ( new T ); }
> 
> template <class T, typename A1>
> boost::shared_ptr<T> New ( A1 a1 ) { return boost::shared_ptr<T> ( 
> new T ( a1 ) ); }
> 
> template <class T, typename A1, typename A2>
> boost::shared_ptr<T> New ( A1 a1, A2 a2 ) { return 
> boost::shared_ptr<T> ( new T ( a1, a2 ) ); }
> 
> and so on.
> 
> Then can you just say:
> 	shared_ptr<int> sp = New<int> ( 5 );

I assume you mean (A1 const & a1, A2 const & a2, ...) ?