Returning a hashref is a lot more efficient than a hash, because of all the flattening Perl does to the hash when passing one back from a subroutine. In a CGI program, a method like param() could be used a lot, so it's important to optimize it.

----
I wanted to explore how Perl's closures can be manipulated, and ended up creating an object system by accident.
-- Schemer

:(){ :|:&};:

Note: All code is untested, unless otherwise stated

In reply to Re: Re: dereferencing syntax question by hardburn
in thread dereferencing syntax question by freddo411

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