Value type of map need not be default copyable

[Paolo Carlini]

On 08/09/2012 11:22 PM, Marc Glisse wrote:
> I don't know if std:: is needed, but it looks strange to have it only 
> on some functions:
> std::forward_as_tuple(forward<key_type>(__k)),
>
> Looking at this line again, you seem to be using std::forward on 
> something that is not a deduced parameter type. I guess it is 
> equivalent to std::move in this case, it just confuses me a bit.
Wanted to point out that yesterday. Please double check std::move.

I realize now that nobody is interested in std::cref, good ;)

Thanks!
Paolo.