Re: code line of the day

Ronald J Kimball <[email protected]> Thu, 7 Sep 2006 10:43:59 -0400

Newsgroups	gmane.comp.lang.perl.fun
Message-ID	<[email protected]>

On Thu, Sep 07, 2006 at 07:21:07AM -0700, Randal L. Schwartz wrote:
> >>>>> "Uri" == Uri Guttman <[email protected]> writes:
> 
> Uri> 	@{$self->{templates}}{ keys %{$tmpls} } =
> Uri> 		map ref $_ eq 'SCALAR' ? \"${$_}" : \"$_", values %{$tmpls} ;
> 
> Uri> discuss amongst yourselves. topics include: what does it do?
> 
> Uh, it throws a lot of warnings when values(%$tmpls) has non-references?
> 
> What do I win?

Why would it throw warnings?  ref() returns empty string if the argument
isn't a reference.

Ronald