Re: [Boost-users] about shared_ptr

From: Joe Angell (joe.d.angell_at_[hidden])
Date: 2007-06-28 15:32:28

On 6/28/07, Daniel Oberhoff <daniel_at_[hidden]> wrote:
> Hi all,
>
> I am using shared_ptr to ease implementation of a matlab file
> wrapper. Esepcially the fact that it is in tr1 and thus available on
> many platforms already pushed that decision. Now I was wondering about
> one thing:
>
> Is there a devent way, using shared_ptr, to hand out multiple
> references? What I mean is something like this:
>
> class Variable {
>        shared_ptr<Variable> ref();
> };
>
> The problem with shared_ptr is, that, or so it seems, you can only
> create one directly from the object like this:
>
> shared_ptr<Variable> p(new Variable(...));
>

Take a look at shared_from_this(), I believe that is what you want.
 http://www.boost.org/libs/smart_ptr/enable_shared_from_this.html

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Joe Angell
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