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Postings from April 2001
On Thu, Apr 26, 2001 at 02:22:40PM +0100, Mike Guy wrote:
> barries <barries@slaysys.com> wrote
> > `isa' is also exportable and can be called as a sub with two argu-
> > ments. This allows the ability to check what a reference points to.
> > Example
> >
> > use UNIVERSAL qw(isa);
> >
> > if(isa($ref, 'ARRAY')) {
> > #...
> > }
>
> Oh rats. That should have been mended when this was added to UNIVERSAL.pm
> back in perl5.004_01:
>
> These subroutines should not be imported via
> "use UNIVERSAL qw(...)". If you want simple local access to
> them you can do
>
> *isa = \&UNIVERSAL::isa;
>
> to import isa into your package.
>
> So the attached patch should be applied to perl5.004_01.
> (Actually, it works nicely on bleadperl as well. :-)
So it does. Thanks, applied.
--
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# There is this special biologist word we use for 'stable'.
# It is 'dead'. -- Jack Cohen
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