Re: [boost] Is Boost.Range broken?

Subject: Re: [boost] Is Boost.Range broken?
From: Tomas Puverle (Tomas.Puverle_at_[hidden])
Date: 2008-11-24 21:36:02

> The Range concept documentation has always stated
> that a valid range x is one where boost::end(x) is reachable from
> boost::begin(x). In your use case, as far as I understand, you do not
> necessarily have a valid range.

I agree with what you said here.  However, given the old documentation, I 
hope you see it wasn't unnatural for us to use iterator_range
to deal precisely with the case when we don't have a "valid" (as defined by 
reachability) range.

> I'm sorry for any discrepancies between iterator_range documentation
> and the Range concept documentation and the actual iterator_range
> implementation in any given release.

I don't see any reason for you to apologise - your replies have been among 
the most helpful.
I appreciate it but wish that it had come from the owner of Boost.Range.