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noahlz/warning.scala

Created March 25, 2015 21:14
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warning.scala
scala> val x = 1 :: 2 :: 3 :: Nil
x: List[Int] = List(1, 2, 3)
scala> val y = 1 :: 2 :: 4 :: Nil
y: List[Int] = List(1, 2, 4)
scala> x union y
res1: List[Int] = List(1, 2, 3, 1, 2, 4)
scala> res1.distinct
res2: List[Int] = List(1, 2, 3, 4)
scala> y union x
res3: List[Int] = List(1, 2, 4, 1, 2, 3)
scala> res3.distinct
res4: List[Int] = List(1, 2, 4, 3)
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