[boost] Re: Formal Review: FOREACH macro

From: David Abrahams (dave_at_[hidden])
Date: 2005-05-02 19:42:13

"Peter Dimov" <pdimov_at_[hidden]> writes:

> David Abrahams wrote:
>> "Eric Niebler" <eric_at_[hidden]> writes:
>> 
>>> True, but much of this is only needed for the *const* rvalue stuff.
>>> If there were general agreement that there's fat to trim (is there?),
>>> dropping *const* rvalue support would be an easy target.
>> Don't do it! I plan to write some functions that return const
>> rvalues.  Plus, Scott Meyers recommends it, so you'll encounter it.
>
> Const rvalues aren't movable, though. :-)

I think you could make them move, couldn't you?

Anyway, these const rvalues are views and proxies, so you can't gain
anything by moving: it would be the same as copying.

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com