[boost] Re: Re: FOREACH / C++ "for" proposal

From: Thorsten Ottosen (nesotto_at_[hidden])
Date: 2005-05-10 13:24:26

"Dave Harris" <brangdon_at_[hidden]> wrote in message 
news:memo.760662_at_cix.compulink.co.uk...
| In-Reply-To: <loom.20050509T200130-152_at_[hidden]>
| nesotto_at_[hidden] (Thorsten Ottosen) wrote (abridged):
| > > Also it requires users to #include <iterator> in order to use the new
| > > looping construct. There's precedent for that, though, because users
| > > must #include <typeinfo> to use typeid. I can't decide how I feel
| > > > about that. Perhaps there's another way.
| >
| > I spoke with several implementers and they all said that we need to
| > include some special header...otherwise it is very problematic to let
| > the compiler and standard library work together.
|
| Could you include a very specific header, eg called <for>, with just
| whatever it is "for" needs, and require that header to be #included by
| <iterator> and <vector> and the other containers?
|
| Or some similar mechanism... obviously there needs to be a way for end
| users to get the support for their own containers, and although I suppose
| just #including <iterator> would do, a smaller header might be better for
| the same reason that <vector> doesn't #include <iterator>.
|
| I appreciate that having standard headers document what other headers they
| include is a new thing. Would it be a problem in this case?

don't know.

isn't it time for <std> anyway?

-Thorsten