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All the Perl that's Practical to Extract and Report

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  • by djberg96 (2603) on 2004.07.01 9:04 (#32048) Journal
    ...continuation-based web frameworks

    Continuations are one of the things (among others, I'm told) that Ruby borrowed from Lisp. At least one framework, Borges [], uses continuations as a way to deal with state.

    Unfortunately, I'm not one of those people smart enough to figure out how I can use continations to my advantage in daily work.

    • Almost every web app spends most of its time just recreating a state that it understands. And the logic of transitions between pages have to be unrolled into a big switch statement up front.

      If perl 7 had continuations, you could do this:


      # website that sells t-shirts

      $user =;


      if ($user.t_shirts) {
         show_shirts();  # each shirt has a buy button
         if ($user.show_close_up) {