Scala example source code file (ProChoice.scala)

This example Scala source code file (ProChoice.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

prochoice, profunctor

The ProChoice.scala Scala example source code

package scalaz

////
/**
 * Strength on a coproduct.
 */
////
trait ProChoice[=>:[_, _]] extends Profunctor[=>:] { self =>
  ////
  def left[A, B, C](fa: A =>: B): (A \/ C) =>: (B \/ C)

  def right[A, B, C](fa: A =>: B): (C \/ A) =>: (C \/ B)

  ////
  val proChoiceSyntax = new scalaz.syntax.ProChoiceSyntax[=>:] { def F = ProChoice.this }
}

object ProChoice {
  @inline def apply[F[_, _]](implicit F: ProChoice[F]): ProChoice[F] = F

  ////

  ////
}