Re: [boost] [move][container] Review Request (new versions of Boost.Move and Boost.Container in sandbox and vault)

Subject: Re: [boost] [move][container] Review Request (new versions of Boost.Move and Boost.Container in sandbox and vault)
From: David Abrahams (dave_at_[hidden])
Date: 2009-08-12 14:55:26

on Wed Aug 12 2009, Jeffrey Hellrung <jhellrung-AT-ucla.edu> wrote:

> Ion Gaztañaga wrote:
>> Hi to all,
>>
>> I've just uploaded to boost sandbox...
>>
>> http://svn.boost.org/svn/boost/sandbox/move/)
>>
>> and Boost.Vault...
>>
>>
> http://www.boostpro.com/vault/index.php?action=downloadfile&filename=boost.move.container.zip&directory=Containers&
>>
>>
>> ...new versions of libraries Boost.Move and Boost.Container.
>>
> ...
>>
>> Best,
>>
>> Ion
>
> This is great!  I've already gotten a ton of mileage out of what was previously in the
> sandbox, and it's great that move-assigning from temporaries now works (ifiuc).
>
> One small thing:  It would be nice if boost::is_movable could be used as an MPL
> metafunction, 

Yeah, nice is an understatement.  I insist :-)

> i.e., that it have a nested type typedef.  For example
>
> template<class T>
> class is_movable
> {
>     public:
>     static const bool value = ...;
>     typedef boost::integral_constant< value > type;
> };
>
> This need had come up for me before; I can dig up some context if desired.

Probably better: 

    template<class T>
    struct is_movable : mpl::bool_< ... > {};

Cheers,

-- 
Dave Abrahams
BoostPro Computing
http://www.boostpro.com