[boost] Re: [filesystem + iterator] directory iterator problem

From: David Abrahams (dave_at_[hidden])
Date: 2004-04-26 09:03:42

Vladimir Prus <ghost_at_[hidden]> writes:

> David Abrahams wrote:
>
>> Vladimir Prus <ghost_at_[hidden]> writes:
>> 
>>>>>    where rv is the return value
>>>>                     ^^^^^^^^^^^^
>>>>                     of what?
>>>
>>> Of the "*rv" expression.
>> 
>> I'm confused. You're saying *rv is equivalent to rv ??
>
> Ok, let me try again:
>
>    if iterator is also a model of the readable iterator concept, then
>    expression *rv should be equal to *v, where v is the value of iterator
>    before call to operator++(int) and rv is the value returned from the
>    call.

We don't need new language to express what should be said here; we
can just take it from the C++98 input iterator requirements.

-- 
Dave Abrahams
Boost Consulting
http://www.boost-consulting.com