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	<title>Comment Feed for Channel 9 - Active Patterns (F#)</title>
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		<title>Channel 9 - Active Patterns (F#)</title>
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In this video, programming writer, Gordon Hogenson, continues the discussion of patterns by talking about active patterns, which you can use to customize and extend F#’s pattern matching capabilities. Active patterns are an amazingly flexible language feature,
 and in this video we just scratch the surface of what can be done with them.&amp;nbsp; You can learn more in the topic:

Active Patterns. 
&amp;nbsp; 
Gordon would also like to thank Chris Smith and Brian McNamara, of the F# team, for giving him some ideas for how to use active patterns.&amp;nbsp; Some similar examples to those in the video are discussed in F# team blog postings, such as in

Chris Smith’s blog posting on active patterns.&amp;nbsp; For those interested in exploring further, you can read a

paper on active patterns by Don Syme, James Margetson, and Gregory Nemerov. 
&amp;nbsp; 
Kathleen McGrath
Visual Studio User Education
http://blogs.msdn.com/kathleen/ 
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	<pubDate>Sun, 26 May 2013 05:07:48 GMT</pubDate>
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		<title>Re: Active Patterns (F#)</title>
		<description>
			<![CDATA[Excellent video!&nbsp; A good followup would be to show active patterns in use with a real world problem. A&nbsp;walkthrough of the F# Optimization DSL for the Solver Foundation or of the&nbsp;underlying concepts used to build the ODSL&nbsp;would be my request.&nbsp; We have converted a moderately complex&nbsp;AMPL/CPLEX model&nbsp;to F#/ODSL&nbsp;for testing purposes.&nbsp; More F# videos would be appreciated!<p>posted by Luke</p>]]>
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		<link>http://channel9.msdn.com/Blogs/kmcgrath/Active-Patterns-F#c634236166560000000</link>
		<pubDate>Mon, 25 Oct 2010 15:17:36 GMT</pubDate>
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		<dc:creator>Luke</dc:creator>
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