Re: [PATCH] Implement std::pointer_traits::to_address as per P0653R0

[Glen Fernandes <glen dot fernandes at gmail dot com>]

On Thu, Jul 20, 2017 at 12:53 PM, Jonathan Wakely wrote:
> We have a more general problem with this, which is that if it's only
> available for C++2a mode then we can't use the new feature in most of
> the library. Which would be very unfortunate. I want to use this!
>
> In order to clean up the various places in the library that
> could/should use to_address I think we need our own version of it.
> Something like our std::__addressof which can be used even for C++98,
> and is used by the implementation of the C++11 std::addressof.
>
> The attached patch does something like that. I think I'll commit this,
> as it's a small improvement over what we have today. As the design of
> P0653 evolves (*) we can revisit the definition of __to_address, to
> use pointer_traits, or find user-defined overloads by ADL, or
> something else.
>
> (*) there's an active discussion on the LEWG reflector, and Glen said
> he's revising the paper.

Sounds good - thanks Jonathan.

I'll revise the patch when P0653 evolves (and approaches acceptance),
and when I do, I'll follow the suggestions and style that you've
mentioned above.

Glen