Re: [boost] G++ hack/challenge?

Subject: Re: [boost] G++ hack/challenge?
From: Daniel Frey (d.frey_at_[hidden])
Date: 2009-05-27 11:10:30

On 30.04.2009, at 17:50, David Abrahams wrote:

> Ideally, "has a move constructor" would mean
>
>  - when constructed from an rvalue of the same type, a copy  
> constructor
>    with signature T(T const&) is not used.
>
> though I would settle for
>
>  - has a constructor with the signature T(T&&)
>
> I'm willing to use G++-specific hackery if necessary.
>
> I strongly suspect it's impossible, but if you can think of any way to
> do it, I'd really appreciate knowing about it.  You'll be my hero
> forever ;-)

While I realize it might be too late for your needs (BoostCon) and  
what I have is incomplete, I still hope the following is useful as a  
starting point towards a real has_move_constructor:



Tested with GCC 4.4.0

Regards, Daniel