Re: [Boost-Users] Re: weak_ptr... no * or ->?

From: Darin Adler (darin_at_[hidden])
Date: 2002-07-11 16:41:55

On Thursday, July 11, 2002, at 02:38  PM, bill_kempf wrote:

> Well, you could write the weak_ptr<>::operator-> to "do the right
> thing":
>
> shared_ptr<T> weak_ptr<T>::operator->()
> {
>    shared_ptr<T> p = make_shared(wp);
>    if (!p)
>      throw "something";
>    return p;
> }

As long as you don't use the result of -> with the & operator or pass 
it to a function taking a reference. I think the temporary lifetime is 
a little to subtle to be a good solution here.

     -- Darin