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Re: How to check if a DateTime is invalid (again - but this timewithout using eval)?

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From:
Paul Hoffman
Date:
July 11, 2017 16:06
Subject:
Re: How to check if a DateTime is invalid (again - but this timewithout using eval)?
Message ID:
20170711155658.GA11845@trot
On Mon, Jul 10, 2017 at 09:44:15PM +0100, Zefram wrote:
> Thomas (HFM) Wyant wrote:
> >One of the edge cases with eval {} is the possibility that $@ gets
> >clobbered before you get your hands on it.
> 
> The possibility of it being clobbered by a destructor was fixed in 5.14.
> (Destructors that do this are considered buggy, for pre-5.14 perls,
> and are individually easy to fix, so the problem is still manageable on
> those perl versions.)

And in perl < 5.14 you can work around it easily enough:

    my $ok;
    eval {
        ...
        $ok = 1;
    };
    if ($ok) {
        ...
    }

Paul.

-- 
Paul Hoffman <nkuitse@nkuitse.com>

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