Scala example source code file (ScalazArbitraryPlatform.scala)

This example Scala source code file (ScalazArbitraryPlatform.scala) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Scala by Example" ^TM.

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Java - Scala tags/keywords

arbitrary, futurearbitrary, scalazarbitraryplatform, taskarbitrary

The ScalazArbitraryPlatform.scala Scala example source code

package scalaz
package scalacheck

import org.scalacheck.Arbitrary
import org.scalacheck.Arbitrary.arbitrary

/**
 * Instances of {@link scalacheck.Arbitrary} for JVM-only parts of Scalaz.
 */
abstract class ScalazArbitraryPlatform {

  import scalaz.concurrent.Future
  implicit def FutureArbitrary[A: Arbitrary]: Arbitrary[Future[A]] =
    Arbitrary(arbitrary[A] map ((x: A) => Future.now(x)))

  import scalaz.concurrent.Task
  implicit def TaskArbitrary[A: Arbitrary]: Arbitrary[Task[A]] =
    Arbitrary(arbitrary[A] map ((x: A) => Task.now(x)))
}