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| val ints = new Set() // assuming Set was implemented | |
| ints.add(1.0) | |
| ints.add(3.0) | |
| scala> ints.get(0) | |
| res0: Any = 1.0 | |
| scala> ints.get(0).asInstanceOf[Double] | |
| res1: Double = 1.0 |
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