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copied!<p>You can find here a <a href="http://www.scala-lang.org/node/1564" rel="nofollow noreferrer">preview of new feature in Scala2.8</a> (April 2009), completed with recent <a href="http://blog.objectmentor.com/articles/2009/06/05/bay-area-scala-enthusiasts-base-meeting-whats-new-in-scala-2-8" rel="nofollow noreferrer">this article</a> (June 2009)</p> <ul> <li>Named and Default Arguments</li> <li>Nested Annotations</li> <li>Package Objects</li> <li>@specialized</li> <li>Improved Collections (some rewrite might be needed here)</li> <li>REPL will have command completion (more <a href="http://blog.xebia.com/2009/07/19/scala-repl-tips-and-tricks-trunk-only/" rel="nofollow noreferrer">on that and other tricks in this article</a>)</li> <li>New Control Abstractions (continuation or break)</li> <li>Enhancements (Swing wrapper, performances, ...)</li> </ul> <p>"Rewriting code" is not an obligation (except for using some of the improved Collections), but some features like <strong><a href="http://www.scala-lang.org/node/2096" rel="nofollow noreferrer">continuation</a></strong> (<a href="http://en.wikipedia.org/wiki/Continuation" rel="nofollow noreferrer">Wikipedia</a>: an abstract representation of the control state, or the "rest of computation" or "rest of code to be executed") can give you some new ideas. A good introduction is <a href="http://dcsobral.blogspot.com/2009/07/delimited-continuations-explained-in.html" rel="nofollow noreferrer">found here</a>, written by <a href="https://stackoverflow.com/users/53013/daniel">Daniel</a> (who has also posted a much <a href="https://stackoverflow.com/questions/1243794/what-are-the-biggest-differences-between-scala-2-8-and-scala-2-7/1245195#1245195">more detailed and specific answer</a> in this thread).</p> <p>Note: <a href="http://blogtrader.net/dcaoyuan/entry/scala_plugin_for_netbeans_rewrite" rel="nofollow noreferrer">Scala on Netbeans</a> seems to work with some 2.8 nightly-build (vs. the <a href="http://wiki.netbeans.org/Scala#section-Scala-ScalaPluginsForNetBeans" rel="nofollow noreferrer">official page for 2.7.x</a>)</p>

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