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November 19, 2016 21:24
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Scala Range.Long min/max bug
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| scala> Range.Long.inclusive(111, 999, 1).max | |
| res27: Long = 999 | |
| scala> Range.Long.inclusive(111, 999, -1).max | |
| res28: Long = 111 | |
| scala> Range.Long.inclusive(111, 999, 1).min | |
| res29: Long = 111 | |
| scala> Range.Long.inclusive(111, 999, -1).min | |
| java.util.NoSuchElementException | |
| at scala.collection.LinearSeqOptimized$class.last(LinearSeqOptimized.scala:148) | |
| at scala.collection.immutable.List.last(List.scala:84) | |
| at scala.collection.immutable.NumericRange.last$lzycompute(NumericRange.scala:57) | |
| at scala.collection.immutable.NumericRange.last(NumericRange.scala:56) | |
| at scala.collection.immutable.NumericRange.min(NumericRange.scala:121) | |
| ... 33 elided | |
| scala> Range.inclusive(111, 999, -1).max | |
| java.util.NoSuchElementException: head of empty list | |
| at scala.collection.immutable.Nil$.head(List.scala:420) | |
| at scala.collection.immutable.Range.head(Range.scala:114) | |
| at scala.collection.immutable.Range.max(Range.scala:125) | |
| ... 33 elided |
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Bug Fix