Re: [boost] [Review:Algorithms] - Review by Neil Groves

Subject: Re: [boost] [Review:Algorithms] - Review by Neil Groves
From: Stewart, Robert (Robert.Stewart_at_[hidden])
Date: 2011-10-18 13:07:58

Marshall Clow wrote:
> On Oct 18, 2011, at 6:42 AM, Dave Abrahams wrote:
> > on Mon Oct 17 2011, Marshall Clow <mclow.lists-AT-gmail.com>
> wrote:
> >
> >> [heading Exception Safety]
> >>
> >> All of the variants of `all_of` and `all_of_equal` take
> >> their parameters by value or const reference, and do not
> >> depend upon any global state. Therefore, all the routines in
> >> this file provide the strong exception guarantee.
> >
> > It may be true, but it's not an appropriate conclusion from
> > the premises.  std::copy also takes all its parameters by
> > value.
>
> Good point - how would you state it, then?
> "Only reads from the iterators" is the key point (unlike
> std::copy)

Perhaps this will work:

All variants of `all_of` and `all_of_equal` emit only exceptions resulting from comparisons, if any.  The input range is not modified, so they also provide the strong exception guarantee.

_____
Rob Stewart                           robert.stewart_at_[hidden]
Software Engineer                     using std::disclaimer;
Dev Tools & Components
Susquehanna International Group, LLP  http://www.sig.com

________________________________

IMPORTANT: The information contained in this email and/or its attachments is confidential. If you are not the intended recipient, please notify the sender immediately by reply and immediately delete this message and all its attachments. Any review, use, reproduction, disclosure or dissemination of this message or any attachment by an unintended recipient is strictly prohibited. Neither this message nor any attachment is intended as or should be construed as an offer, solicitation or recommendation to buy or sell any security or other financial instrument. Neither the sender, his or her employer nor any of their respective affiliates makes any warranties as to the completeness or accuracy of any of the information contained herein or that this message or any of its attachments is free of viruses.