Scala example source code file (TheseOps.scala)

This example Scala source code file (TheseOps.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.

Learn more about this Scala project at its project page.

Java - Scala tags/keywords

anyval, that, theseops, thesepairops, this, totheseops, tothesepairops

The TheseOps.scala Scala example source code

package scalaz
package syntax

final class TheseOps[A](val self: A) extends AnyVal {
  final def wrapThis[B]: A \&/ B =
    \&/.This(self)

  final def `this`[B]: A \&/ B =
    \&/.This(self)

  final def wrapThat[B]: B \&/ A =
    \&/.That(self)

  final def that[B]: B \&/ A =
    \&/.That(self)
}

final class ThesePairOps[A, B](val self: (A, B)) extends AnyVal {
  final def both: A \&/ B =
    \&/.Both(self._1, self._2)
}

trait ToTheseOps {
  implicit def ToTheseOps[A](a: A): TheseOps[A] = new TheseOps(a)
  implicit def ToThesePairOps[A, B](a: (A, B)): ThesePairOps[A, B] = new ThesePairOps(a)
}