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Postings from October 2003
On Mon, Oct 06, 2003 at 05:06:55PM +0100, Nick Ing-Simmons wrote:
> Abigail <abigail@abigail.nl> writes:
> >The first sentence of 'perldoc -f ref' is wrong:
> >
> > Returns a true value if EXPR is a reference, false otherwise.
> >
> >To wit:
> >
> > $ perl -wle 'print ref bless [] => 0'
> > 0
>
> I would be tempted to make that bless illegal.
I second that tempation. If the above is legal then this very common idiom
is no longer correct:
print "$r is not a reference" unless ref $r;
And I'm not about to go around patching everything to say:
print "$r is not a reference" unless length ref $r;
just so someone can have their Acme module.
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