Re: [Boost-users] very simple shared_ptr and copy constructor question

From: Peter Dimov (pdimov_at_[hidden])
Date: 2007-04-28 12:29:37

Robert Marion wrote:
> So, I've been using std::auto_ptr for some time, and
> have always been careful to either create a copy
> constructor or make it private (same for assignment).
> But now that I am becoming a boost::shared_ptr
> convert, I think that is no longer necessary.  Is that
> so?

It's not necessary if the generated copy constructor has the semantics that 
you want. Keep in mind that all copies of shared_ptr refer to the same 
pointee. So it depends on the context. If you aren't sure, disabling the 
copy constructor is still a good guideline to apply by default.