Well, at least there is a ticket for that:
Thomas Klimpel wrote:
> Steven Watanabe wrote:
> > Robert Jones wrote:
> > > I wonder why the Bind placeholders are in the global namespace?
> >
> > It's an historical artifact which has never been fixed.
>
> Are you implying that it could/should be fixed?
https://svn.boost.org/trac/boost/ticket/2240
FWIW, std::bind has its placeholders in std::placeholders namespace.
I suspect all of us have been bitten by this at least once.
Would a patch be welcome to resolve it or would it break too many
historical artifacts with the change?