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All the Perl that's Practical to Extract and Report

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  • The popular statically typed languages often have difficulty with containers because they have to fit into the static typing scheme. (Of course, if you're using a weakly typed language such as Java or C, you can just cast to the appropriate void and cast back, if you aren't bothered by such things as good taste.)

    Thankfully, Perl avoids that route, caring only about the container type, as references fit into scalars.

    • I think Dominus covers this well in a talk he did for a Perl Conference [].

      Pay special attention to 4 [], 5 [] and 6 [].

      ObFanBoyStatement: Dominus is so cool. Who else has the courage to point out that those who parade around in Design Patterns for Software are naked?

      • Lots of people. Doesn't make 'em any more right though. Just because the Gang of Four book is not a good patterns book doesn't mean that patterns have no value. Take a look at Kent Beck's Smalltalk Best Practice Patterns for a superb example of a pattern language. Martin Fowler's Refactoring is also a great patterns book.

        The GoF book isn't a pattern language, it's just a collection of 'words'.