[Omaha.pm] uppercasing some things in complex nested structures
Jay Hannah
jay at jays.net
Sun Feb 1 12:36:52 PST 2009
On Jan 31, 2009, at 8:40 AM, Dan Linder wrote:
> On Fri, Jan 30, 2009 at 1:40 PM, Travis McArthur
> <travis at travisbsd.org> wrote:
> if (ref($qualifiers) eq "HASH")
> ...
> elsif (ref($qualifiers) eq "ARRAY")
>
> I just started working on some recursive code and was forced to use
> the "UNIVERSAL::isa" subroutine to check if an object is a hash or
> array.
You couldn't use ref? (perldoc -f ref)
> This looks cleaner, but is it available in the older Perl 5.8.0?
> This looks a lot like the Perl 5.10 code I saw demo'ed and thought
> "Wow, very nice!"...
I think ref has been in Perl 5... forever. I'm guessing very old Perl
5's will run that code just fine. :)
j
More information about the Omaha-pm
mailing list