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Scala example source code file (ChoiceSyntax.scala)

This example Scala source code file (ChoiceSyntax.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

choice, choiceops, tocategoryops, tochoiceops, tochoiceops0, tochoiceopsunapply, tochoicevfromkleislilike

The ChoiceSyntax.scala Scala example source code

package scalaz
package syntax

/** Wraps a value `self` and provides methods related to `Choice` */
final class ChoiceOps[F[_, _],A, B] private[syntax](val self: F[A, B])(implicit val F: Choice[F]) extends Ops[F[A, B]] {
  ////
  final def |||[C](x: => F[C, B]): F[A \/ C, B] =
    F.choice(self, x)
  ////
}

sealed trait ToChoiceOps0 {
  implicit def ToChoiceOpsUnapply[FA](v: FA)(implicit F0: Unapply2[Choice, FA]) =
    new ChoiceOps[F0.M,F0.A,F0.B](F0(v))(F0.TC)

}

trait ToChoiceOps extends ToChoiceOps0 with ToCategoryOps {

  implicit def ToChoiceOps[F[_, _],A, B](v: F[A, B])(implicit F0: Choice[F]) =
    new ChoiceOps[F,A, B](v)


  implicit def ToChoiceVFromKleisliLike[G[_], F[G[_], _, _],A, B](v: F[G, A, B])(implicit F0: Choice[F[G, ?, ?]]) =
    new ChoiceOps[F[G, ?, ?], A, B](v)(F0)

  ////

  ////
}

trait ChoiceSyntax[F[_, _]] extends CategorySyntax[F] {
  implicit def ToChoiceOps[A, B](v: F[A, B]): ChoiceOps[F, A, B] = new ChoiceOps[F, A, B](v)(ChoiceSyntax.this.F)

  def F: Choice[F]
  ////

  ////
}

Other Scala examples (source code examples)

Here is a short list of links related to this Scala ChoiceSyntax.scala source code file:

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