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marking3/knight1_test4.scala
author Christian Urban <urbanc@in.tum.de>
Tue, 22 Jan 2019 12:53:05 +0000
changeset 258 41c4f7d85f59
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child 331 3a9acfc6106b
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val f = (x:(Int, Int)) => if (x._1 > 3) Some(List(x)) else None













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assert(first(List((1,0),(2,0),(3,0),(4,0)), f) == Some(List((4,0))))













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assert(first(List((1,0),(2,0),(3,0)), f) == None)















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