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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 <>
> 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


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