Re: [LAD] Mixed boolean & numbers

From: Will J Godfrey <WillGodfrey@email-addr-hidden>
Date: Fri Sep 02 2016 - 19:27:56 EEST

On Wed, 31 Aug 2016 21:28:45 -0400
David Robillard <d@email-addr-hidden> wrote:

> On Sat, 2016-08-27 at 16:49 +0100, Will Godfrey wrote:
> > I'm finding quite a lot of occasions where variables defined as 'bool' are
> > sometimes being set with true or false and other times 0 or 1. On one occasion
> > there is something like x = n + {boolean variable}
> >
> > This last one seems quite unsafe to me as I didn't think the actual value of
> > true and false was guaranteed.
> >
> > Am I being overly cautious or should I change them all to one form or the other?
>
> This is fine. The C/C++ standards guarantee that a bool, when converted
> to an integer, is 1 or 0 (the pedantically correct way of saying this
> depends on which standard/revision, but effectively that sums it up).
>
> It's pretty convenient/elegant at times. Personally, I exploit it when
> that's the case, but be more explicit if it has potential to be
> confusing.

Thanks again for the info.

-- 
It wasn't me! (Well actually, it probably was)
... the hard part is not dodging what life throws at you,
but trying to catch the good bits.
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Received on Fri Sep 2 20:15:01 2016

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