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August 29, 2015 13:59
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| scala> 0.toByte.toInt | |
| res5: Int = 0 | |
| scala> 0.toByte.toInt.abs | |
| <console>:8: error: implicit numeric widening | |
| 0.toByte.toInt.abs | |
| ^ | |
| scala> res5.abs | |
| res7: Int = 0 | |
| scala> 0 | |
| res8: Int = 0 | |
| scala> res8.toByte.toInt | |
| res9: Int = 0 | |
| scala> (0:Int).toByte.toInt.abs | |
| <console>:8: error: implicit numeric widening | |
| (0:Int).toByte.toInt.abs | |
| ^ | |
| scala> 0.toInt.abs | |
| <console>:8: error: implicit numeric widening | |
| 0.toInt.abs | |
| ^ |
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Why not just say (0.toByte.toInt).abs? Works fine.
scala> (0.toByte.toInt).abs
res3: Int = 0