Re: [boost] [result_of] decltype and function objects

Subject: Re: [boost] [result_of] decltype and function objects
From: Eric Niebler (eric_at_[hidden])
Date: 2008-11-29 18:02:47

Delayed response, sorry...

David Abrahams wrote:
> 
> Ah, well.  The optimal safe way to write an identity function is of
> course
> 
>     template <class T>
>     T identity(T x)
>     {
>         return boost::move(x);
>     }
> 
> which on any decent compiler should cause no copies provided T is
> move-enabled, and only one if it isn't.

What is boost::move() and where in boost does it live?

-- 
Eric Niebler
BoostPro Computing
http://www.boostpro.com