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• 0.17.0
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• CatalystRound.scala

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frameless.CatalystRound.scala Maven / Gradle / Ivy

package frameless

import scala.annotation.implicitNotFound

/** Spark does not return always long on round
  */
@implicitNotFound("Cannot compute round on type ${In}.")
trait CatalystRound[In, Out]

object CatalystRound {
  private[this] val theInstance = new CatalystRound[Any, Any] {}
  private[this] def of[In, Out]: CatalystRound[In, Out] = theInstance.asInstanceOf[CatalystRound[In, Out]]

  implicit val framelessBigDecimal: CatalystRound[BigDecimal, java.math.BigDecimal] = of[BigDecimal, java.math.BigDecimal]
  implicit val framelessDouble    : CatalystRound[Double, Long]                     = of[Double, Long]
  implicit val framelessInt       : CatalystRound[Int, Long]                        = of[Int, Long]
  implicit val framelessLong      : CatalystRound[Long, Long]                       = of[Long, Long]
  implicit val framelessShort     : CatalystRound[Short, Long]                      = of[Short, Long]
}