SCALA-45 Partial Functions #30
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glmartin
suggested changes
Mar 28, 2020
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@glmartin Makes sense. Unit tests added. |
KevinGilmore
requested changes
Apr 3, 2020
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| val squareRoot = new PartialFunction[Double, Double] { | ||
| def apply(x: Double) = Math.sqrt(x) | ||
| def isDefinedAt(x: Double) = x >= 0 | ||
| } | ||
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| val squareRootImplicit: PartialFunction[Double, Double] = { | ||
| case x if x >= 0 => Math.sqrt(x) | ||
| } |
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| private val negativeOrZeroToPositive: PartialFunction[Int, Int] = { | ||
| case x if x <= 0 => Math.abs(x) | ||
| } | ||
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| private val positiveToNegative: PartialFunction[Int, Int] = { | ||
| case x if x > 0 => -1 * x | ||
| } | ||
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| val swapSign: PartialFunction[Int, Int] = { | ||
| positiveToNegative orElse negativeOrZeroToPositive | ||
| } |
core-scala/src/test/scala/com/baeldung/scala/partialfunctions/SwapIntegerSignUnitTest.scala
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core-scala/src/test/scala/com/baeldung/scala/partialfunctions/SquareRootUnitTest.scala
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glmartin
approved these changes
Apr 7, 2020
glmartin
approved these changes
Apr 7, 2020
KevinGilmore
approved these changes
Apr 11, 2020
glmartin
approved these changes
Apr 12, 2020
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