> -----Original Message-----
> From: Ryan Frantz
> Sent: Friday, June 02, 2006 1:48 PM
> To: beginners
> Subject: RE: Determining Reference Type
>
>
>
> > -----Original Message-----
> > From: Ryan Frantz
> > Sent: Friday, June 02, 2006 1:25 PM
> > To: beginners
> > Subject: Determining Reference Type
> >
--snip--
>
> I _could_ wrap some checks in eval blocks as such:
>
> print "\n\$defaultDocument is ";
> eval { ( @$defaultDocument ) };
> if ( $@ ) {
> print "_not_ an array reference!\n\n";
> eval { ( %$defaultDocument ) };
> unless ( $@ ) {
> print "But it _is_ a hash reference...\n\n";
> }
> } else {
> print "an array reference!\n\n";
> }
>
> But that raises two questions:
>
> 1. Is this a good/preferred/robust method for performing the check?
> 2. How do I get rid of that pesky 'Useless use of a variable in void
> context...' error?
>
<sheepish>
I, ahem, did some more digging and found that the great Perl gods have
already thunk this one through and provided the ref() operator. It
returns the reference type just as I need.
</sheepish>
Thanks for letting me think this out on the list.
ry
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