What's new In Perl?
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I recently saw, in some production code, a catalyst application being used as a consumer for ActiveMQ.
Basically leveraging the power of the despatch model of Catalyst and it's testing 'Request' method to make an enormous switch statement pointing incoming messages to a relevant controller on the basis of which queue it had come in on.
All this complicated shiny hiding inside an Apache 1 web app!
Now that's an interesting workflow to track down :-).