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From: Howard Hinnant (hinnant_at_[hidden])
Date: 2005-06-15 13:54:23

On Jun 15, 2005, at 11:58 AM, David Abrahams wrote:

> "Thorsten Ottosen" <nesotto_at_[hidden]> writes:
>> "David Abrahams" <dave_at_[hidden]> wrote in message
>> | If someone would clearly and succinctly spell out the question, I'd
>> be
>> | happy to.
>> should one be able to add, subtract, and compare mutable random access
>> iterators with
>> random access const_iterators provided they point to the same
>> container?
> There is no requirement that it be possible, and many early STL
> implementations failed to make it possible. It's generally regarded
> as a poor QOI that doesn't allow it. That capability is one of the
> things that iterator_facade and iterator_adaptor make easy.

Umm... and you helped me with the wording to require this for C++0X (it
is already in the WP):


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