Scala example source code file (ProfunctorSyntax.scala)

This example Scala source code file (ProfunctorSyntax.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

profunctorops, toprofunctorops, toprofunctorops0

The ProfunctorSyntax.scala Scala example source code

package scalaz
package syntax

/** Wraps a value `self` and provides methods related to `Profunctor` */
final class ProfunctorOps[F[_, _],A, B] private[syntax](val self: F[A, B])(implicit val F: Profunctor[F]) extends Ops[F[A, B]] {
  ////

  final def ^>>[C](f: C => A): F[C, B] =
    F.mapfst(self)(f)

  final def >>^[C](f: B => C): F[A, C] =
    F.mapsnd(self)(f)

  final def mapfst[C](f: C => A): F[C, B] =
    F.mapfst(self)(f)

  final def mapsnd[C](f: B => C): F[A, C] =
    F.mapsnd(self)(f)

  final def dimap[C, D](f: C => A, g: B => D): F[C, D] =
    F.dimap(self)(f)(g)

  ////
}

sealed trait ToProfunctorOps0 {
  implicit def ToProfunctorOpsUnapply[FA](v: FA)(implicit F0: Unapply2[Profunctor, FA]) =
    new ProfunctorOps[F0.M,F0.A,F0.B](F0(v))(F0.TC)

}

trait ToProfunctorOps extends ToProfunctorOps0 {

  implicit def ToProfunctorOps[F[_, _],A, B](v: F[A, B])(implicit F0: Profunctor[F]) =
    new ProfunctorOps[F,A, B](v)


  implicit def ToProfunctorVFromKleisliLike[G[_], F[G[_], _, _],A, B](v: F[G, A, B])(implicit F0: Profunctor[F[G, ?, ?]]) =
    new ProfunctorOps[F[G, ?, ?], A, B](v)(F0)

  ////

  ////
}

trait ProfunctorSyntax[F[_, _]]  {
  implicit def ToProfunctorOps[A, B](v: F[A, B]): ProfunctorOps[F, A, B] = new ProfunctorOps[F, A, B](v)(ProfunctorSyntax.this.F)

  def F: Profunctor[F]
  ////

  ////
}