[v3] ext/type_traits.h

[Howard Hinnant]

On Sep 28, 2006, at 12:04 PM, Martin Sebor wrote:

> Sorry to jump in on this discussion with only a tangentially
> related question, but I'm wondering if this functionality is
> being proposed for C++ (or if there are plans to do so).

"Explored" is probably a better word than "proposed" at this point.

> Btw., we've also had the need for signed/unsigned conversion in
> our library in the past. We dealt with it by adding a typedef or
> two to numeric_limits, something like this (we don't have them
> anymore but at one point private versions of them were in there):
>
>    numeric_limits<T>::signed_type
>    numeric_limits<T>::unsigned_type

Thanks for the data point.  Imho that puts us a notch closer to a  
proposal.

-Howard