Re: [boost] lifetime of ranges vs. iterators

Subject: Re: [boost] lifetime of ranges vs. iterators
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2008-09-03 14:37:52

AMDG

David Abrahams wrote:
> on Wed Sep 03 2008, Arno Schödl <aschoedl-AT-think-cell.com> wrote:
>
>   
>> As with these end checks, what if dereference would throw exceptions? End checks
>> gone, all the way up the stack...
>>     
>
> The problem happens way before dereference: it's the undefined behavior
> that results from even moving the underlying iterator past the end of
> the underlying sequence.
>   

Using Arno's suggestion, dereferencing the end iterator
ought to throw, which happens before we increment
off the end, right?  It sounds like he's proposing making
iterators work the way they do in python.

In Christ,
Steven Watanabe