Re: [boost] Removing _1 from the global namespace (again)

Subject: Re: [boost] Removing _1 from the global namespace (again)
From: sguazt (marco.guazzone_at_[hidden])
Date: 2013-12-15 04:04:31

On Sun, Dec 15, 2013 at 3:03 AM, Rich E <reakinator_at_[hidden]> wrote:

> On Sat, Dec 14, 2013 at 7:58 PM, Marshall Clow <mclow.lists_at_[hidden]
> >wrote:
>
> >
> > On Dec 14, 2013, at 3:19 PM, Alexander Lamaison <awl03_at_[hidden]>
> > wrote:
> >
> > > Chris Brown <ccbrown112_at_[hidden]> writes:
> > >
> > >> On 12/14/13, 8:56 AM, Peter Dimov wrote:
> > >>> If we're going to call the next release 2.0, we'll be allowed some
> > >>> latitude with respect to breaking changes, so maybe this is the right
> > >>> time to finally remove the Bind placeholders from the global
> namespace.
> > >>>
> > >>> This will, however, break many things all around Boost (to say
> nothing
> > >>> about the outside world), as a quick grep can readily reveal. And,
> > >>> consequently, it will generate a certain amount of work for the
> > >>> maintainers of the affected libraries that, from their point of view,
> > >>> can appear unnecessary.
> >
>
>
+1...

But, instead of making a drastic change, why don't we make a deprecation
plan?
Say, from the next Boost release (2.0?), the official way to refer to
placeholders is boost::placeholders::_n
However, we still support ::_n  for some other release, until we completely
remove it from Boost version 2.x

Best,

-- Marco