[PATCH] Exploit move semantics in std::accumulate.

[Christopher Jefferson]

On 8 Jan 2011, at 18:31, Marc Glisse wrote:

> On Sat, 8 Jan 2011, Christopher Jefferson wrote:
> 
>> Your patch is a really nice idea. I'm not 100% sure it is allowed by the C++0x standard (although, I can't imagine any valid code which would possibly break it).
> 
> It has a strong smell of x=move(x); about it...

I'm not too worried about that (although perhaps I should).

My worry is that the standard explicitally says it uses " acc = acc + x " and " acc = binary_op(acc, x) ".

Chris