import scala.collection.immutable.NumericRange //#4658 object Test { // Only works for Int values! Need to rethink explicit otherwise. case class R(start: Int, end: Int, step: Int = 1, inclusive: Boolean = true) val rangeData = Array( R(1, Int.MaxValue), R(-Int.MaxValue, -1), R(0, 0), R(0,0, inclusive = false), R(1,10), R(1,10,2), R(1,10,11), R(-10, -5), R(-10, 0), R(-10, 10), R(-10, -5, 2), R(-10, 0, 2), R(-10, 10, 2), R(-10, -5, inclusive = false), R(-10, 0, inclusive = false), R(-10, 10, inclusive = false), R(-10, -5, 2, inclusive = false), R(-10, 0, 2, inclusive = false), R(-10, 10, 2, inclusive = false) ) def ranges = rangeData.map(r => if (r.inclusive) r.start to r.end by r.step else r.start until r.end by r.step) def numericIntRanges = rangeData.map(r => if (r.inclusive) NumericRange.inclusive(r.start, r.end, r.step) else NumericRange(r.start, r.end, r.step)) def numericLongRanges = rangeData.map(r => if (r.inclusive) NumericRange.inclusive(r.start.toLong, r.end, r.step) else NumericRange(r.start.toLong, r.end, r.step)) def numericBigIntRanges = rangeData.map(r => if (r.inclusive) NumericRange.inclusive(BigInt(r.start), BigInt(r.end), BigInt(r.step)) else NumericRange(BigInt(r.start), BigInt(r.end), BigInt(r.step))) def main(args: Array[String]) { println("Ranges:") ranges.foreach{range => println(range.sum)} println("IntRanges:") numericIntRanges.foreach{range => println(range.sum)} println("LongRanges:") numericLongRanges.foreach{range => println(range.sum)} println("BigIntRanges:") numericBigIntRanges.foreach{range => println(range.sum)} println("BigInt agrees with Long: " + (numericLongRanges zip numericBigIntRanges).forall{ case (lr, bir) => lr.sum == bir.sum } ) println("Long agrees with Int when rounded: " + (numericLongRanges zip numericIntRanges).forall{ case (lr, ir) => lr.sum.toInt == ir.sum } ) println("Numeric Int agrees with Range: " + (numericIntRanges zip ranges).forall{ case (ir, r) => ir.sum == r.sum } ) } }