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	<title>Comments on: First stab at Scala scripting.. filters do not work like my Ruby brain thinks they do</title>
	<atom:link href="http://www.railsguru.com/articles/2009/07/10/first-stab-at-scala-scripting-filters-do-not-work-like-my-ruby-brain-thinks-they-do/feed/" rel="self" type="application/rss+xml" />
	<link>http://www.railsguru.com/articles/2009/07/10/first-stab-at-scala-scripting-filters-do-not-work-like-my-ruby-brain-thinks-they-do/</link>
	<description>Andy Lo-A-Foe&#039;s blog</description>
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		<title>By: Scala scripting continued &#171; LoLoCoJr</title>
		<link>http://www.railsguru.com/articles/2009/07/10/first-stab-at-scala-scripting-filters-do-not-work-like-my-ruby-brain-thinks-they-do/comment-page-1/#comment-620</link>
		<dc:creator>Scala scripting continued &#171; LoLoCoJr</dc:creator>
		<pubDate>Mon, 13 Jul 2009 13:08:48 +0000</pubDate>
		<guid isPermaLink="false">http://www.railsguru.com/?p=4551#comment-620</guid>
		<description>[...] First stab at Scala scripting.. filters do not work like my Ruby brain thinks they do [...]</description>
		<content:encoded><![CDATA[<p>[...] First stab at Scala scripting.. filters do not work like my Ruby brain thinks they do [...]</p>
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		<title>By: andy</title>
		<link>http://www.railsguru.com/articles/2009/07/10/first-stab-at-scala-scripting-filters-do-not-work-like-my-ruby-brain-thinks-they-do/comment-page-1/#comment-616</link>
		<dc:creator>andy</dc:creator>
		<pubDate>Fri, 10 Jul 2009 18:49:54 +0000</pubDate>
		<guid isPermaLink="false">http://www.railsguru.com/?p=4551#comment-616</guid>
		<description>Kewl!!</description>
		<content:encoded><![CDATA[<p>Kewl!!</p>
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		<title>By: p3t0r</title>
		<link>http://www.railsguru.com/articles/2009/07/10/first-stab-at-scala-scripting-filters-do-not-work-like-my-ruby-brain-thinks-they-do/comment-page-1/#comment-615</link>
		<dc:creator>p3t0r</dc:creator>
		<pubDate>Fri, 10 Jul 2009 18:35:04 +0000</pubDate>
		<guid isPermaLink="false">http://www.railsguru.com/?p=4551#comment-615</guid>
		<description>You could use a left fold (similar to inject in ruby) to avoid the forloop:


def findMax(list:List[(Int,Int)], comp:Int) = {
	list.foldLeft(0){(s,v) =&gt; if(v._1 == comp &amp;&amp; v._2 &gt; s) v._2 else s}
}
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		<content:encoded><![CDATA[<p>You could use a left fold (similar to inject in ruby) to avoid the forloop:</p>
<p>def findMax(list:List[(Int,Int)], comp:Int) = {<br />
	list.foldLeft(0){(s,v) =&gt; if(v._1 == comp &amp;&amp; v._2 &gt; s) v._2 else s}<br />
}</p>
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