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main_testing4/knight_test4.scala
author Christian Urban <christian.urban@kcl.ac.uk>
Fri, 25 Nov 2022 00:03:15 +0000
changeset 448 db2a3e3287a9
parent 403 ffce7b61b446
permissions -rw-r--r--
updated

import M4a._

val f_urban = (x:(Int, Int)) => if (x._1 > 3) Some(List(x)) else None

assert(first(List((1,0),(2,0),(3,0),(4,0)), f_urban) == Some(List((4,0))))
assert(first(List((1,0),(2,0),(3,0)), f_urban) == None)
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