[boost] Re: stride iterators and matricies

From: Neal Becker (ndbecker2_at_[hidden])
Date: 2005-06-03 14:33:25

David Abrahams wrote:

> christopher diggins <cdiggins_at_[hidden]> writes:
> 
>> ----- Original Message -----
>> From: "Neal Becker" <ndbecker2_at_[hidden]>
>>>
>>> Here's my version:
>> [snip]
>>
>> That code looks great! Any reason it can't go into boost as is? I would
>> like to see that and a version which takes the step as a template
>> parameter, to improve efficiency when the step size is known at
>> compile-time.
> 
> A. there are no tests
> 
> B. What about the undefined behavior that results when you stride off
>    the end of a container?
> 
> 

Is there any reasonable way to detect this?  If it is feasible without
significantly increasing cost, I'll add it - but offhand I don't know that
it is generally feasible.