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import collection.mutable._
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object Test extends App {
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def runTest[T, U](col: T)(clone: T => U)(mod: T => Unit)(implicit ct: ClassTag[T]): Unit = {
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val cloned = clone(col)
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assert(cloned == col, s"cloned should be equal to original. $cloned != $col")
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assert(cloned != col, s"cloned should not modify when original does: $ct")
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runTest(ArrayBuffer(1,2,3))(_.clone) { buf => buf transform (_ + 1) }
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runTest(ArraySeq(1,2,3))(_.clone) { buf => buf transform (_ + 1) }
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runTest(Buffer(1,2,3))(_.clone) { buf => buf transform (_ + 1) }
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runTest(DoubleLinkedList(1,2,3))(_.clone) { buf => buf transform (_ + 1) }
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runTest(IndexedSeq(1,2,3))(_.clone) { buf => buf transform (_ + 1) }
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runTest(LinearSeq(1,2,3))(_.clone) { buf => buf transform (_ + 1) }
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runTest(LinkedList(1,2,3))(_.clone) { buf => buf transform (_ + 1) }
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runTest(ListBuffer(1,2,3))(_.clone) { buf => buf transform (_ + 1) }
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runTest(MutableList(1,2,3))(_.clone) { buf => buf transform (_ + 1) }
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runTest(Queue(1,2,3))(_.clone) { buf => buf transform (_ + 1) }
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runTest(Stack(1,2,3))(_.clone) { buf => buf transform (_ + 1) }
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runTest(BitSet(1,2,3))(_.clone) { buf => buf add 4 }
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runTest(HashSet(1,2,3))(_.clone) { buf => buf add 4 }
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runTest(Set(1,2,3))(_.clone) { buf => buf add 4 }
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runTest(SortedSet(1,2,3))(_.clone) { buf => buf add 4 }
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runTest(TreeSet(1,2,3))(_.clone) { buf => buf add 4 }
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runTest(HashMap(1->1,2->2,3->3))(_.clone) { buf => buf put (4,4) }
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runTest(WeakHashMap(1->1,2->2,3->3))(_.clone) { buf => buf put (4,4) }