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michalkowol/SeqIsMutable.scala

Created November 28, 2014 14:28
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SeqIsMutable.scala
val s = Array(1 ,2, 3) // s: Array[Int] = Array(1, 2, 3)
def testCase(s: Seq[Int]) = s // testCase: TestCase[](val s: Seq[Int]) => Seq[Int]
testCase(s) // res0: Seq[Int] = WrappedArray(1, 2, 3)
s(0) = 7 // res1: Unit = ()
testCase(s) // res2: Seq[Int] = WrappedArray(7, 2, 3)
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