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Interview with the Unstoppable Damian Conway

posted by jjohn on 2000.08.23 15:55   Printer-friendly
jjohn writes "My interview with Perl's master of OO magic Damian Conway went live on www.Perl.com today. Enjoy."
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  • Its nice to see really insightful, brilliant people getting deeply involved with perl. His book has become the de-facto "second" perl book. I hope he keeps writing.
  • So, what is "the difference between an argument and a parameter"?
  • Technically a parameter is an option or setting, for example color=gray; while an argument is a value passed to a function. Or something like that.
  • A parameter is a variable that is to receive a value passed to a subroutine.

    An argument is a value that's actually passed to a subroutine.

    For example:

    sub foo { print $_[0] }

    foo("bar");

    Here $_[0] is a parameter, whereas "bar" is an argument.