[rules-dev] Scala

[Edson Tirelli]

   I like the functional aspect of scala and the way it promotes some
modeling good practices. The main worry is really, once we start
implementing things on it, to maintain that codebase, and for that tooling
is paramount. So, if maven works well and IntelliJ can do some minimum work
on refactories, I like the idea of an incremental inclusion of scala
components where they make sense.

   []s
   Edson

2009/1/11 Michael Neale <michael.neale at gmail.com>

> Hey All. I have been looking into scala for sometime, and recently
> started using it for a testing tool (kind of a replacement for the
> "fit for rules" library).
> I have been quite impressed with it, the tool integration (with
> intelliJ) is outstanding, and it works nice with maven (even with
> mixed java source).
>
> Assuming this goes well, I am thinking of extending the usage of scala
> to the server side components of bits of guvnor (obviously the client
> is still GWT). Probably in a small way at first (I have found that
> common annoying bits of code in java can be much clearer in scala -
> examples to come !).
>
> I was interested in what people think about this? Does it make it
> harder for people to get into the code (I am not aiming to write the
> densest scala, just use it when approriate)?
>
> The main downsides I see are: Eclipse support - the plugin for eclipse
> for scala is not great at the moment (netbeans or intelliJ would be
> better), and general familiarity for people to read (although I
> personally think it would take anyone who reads this list minutes to
> learn enough to follow the simple things I would do).
>
> Thoughts? Objections?
>
> FAQ: Why scala? well its closer to java in intent then all other
> popular JVM languages (ie its static) and compiles down similarly to
> result in similar performance (better in some cases). I use "closures"
> a lot (thanks to GWT that got be in the habit) but the inner class way
> of doing it in java gets combersome.
>
> --
> Michael D Neale
> home: www.michaelneale.net
> blog: michaelneale.blogspot.com
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>



-- 
 Edson Tirelli
 JBoss Drools Core Development
 JBoss, a division of Red Hat @ www.jboss.com
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