Re: [boost] [smart_ptr] enable_shared_from_this::shared_from_this( this );

From: Daniel Frey (d.frey_at_[hidden])
Date: 2008-04-17 11:03:09

On Thu, 2008-04-17 at 09:23 -0400, Frank Mori Hess wrote:
> No, what I was trying to convey is you have the T type inside 
> enabled_shared_from_this<T>.  To be clear:
> 
> template<typename T>
> enable_shared_from_this
> {
> 	shared_ptr<T> shared_from_this(T *t);
> 	//...
> };

Ah, I see.

> Also, there is no reason not to add a simple helper free function:
> 
> template<typename T>
> shared_ptr<T> shared_from_this(T *t)
> {
> 	return t->shared_from_this(t);
> }
> 
> which would provide some convenience and a sanity check for the common case 
> usage.

And as Peter suggested, this could be the only public interface. I
really like that idea and direction. :)

Although it's a breaking change, it seems cleaner and more powerful to
me. Peter, what's your point of view on this type of breaking change to
enable_shared_from_this' interface? Do you seriously consider it?

Regards, Daniel