Re: [boost] [TTI] Review for The Type Traits Introspection library by Edward Diener **extended**

Subject: Re: [boost] [TTI] Review for The Type Traits Introspection library by Edward Diener **extended**
From: Joel falcou (joel.falcou_at_[hidden])
Date: 2011-07-17 02:02:04

On 17/07/11 04:58, Jeffrey Lee Hellrung, Jr. wrote:
> * I *think* all generated metafunctions should also expose a nested "type"
> typedef in addition to a nested "value" static bool in order to be fully
> Boost.MPL compatible, but...I'm not sure on this one.  For some reason, I've
> always followed this practice, I think because it allows has_type_xxx<T>  to
> be used as a nullary Boost.MPL metafunction.  Can someone comment on this?

Yes, could be nice to have as it will make the metafunction proper 
nullary MPL one. I suggest findign a way to inherit from 
boost::mpl::bool_ whenever possible.