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|@@ -442,7 +442,7 @@ Pattern Matching|
|Pattern matching is taken from many functional languages, including Haskell,|
|ML, and Scala, all of which allow a convenient syntax for extracting elements|
|out of a complex data structure. The most basic way of matching an object|
|-against a pattern is to use the patterns block macro, and use the left shit|
|+against a pattern is to use the patterns block macro, and use the left shift|
|operator, as shown.|