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Scala example source code file (UnzipSyntax.scala)

This example Scala source code file (UnzipSyntax.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

tounzipops, tounzipops0, tounzippairops, unapply, unzip, unzipops, unzippairops, unzipsyntax

The UnzipSyntax.scala Scala example source code

package scalaz
package syntax

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

sealed trait ToUnzipOps0 {
  implicit def ToUnzipOpsUnapply[FA](v: FA)(implicit F0: Unapply[Unzip, FA]) =
    new UnzipOps[F0.M,F0.A](F0(v))(F0.TC)

}

trait ToUnzipOps extends ToUnzipOps0 {
  implicit def ToUnzipOps[F[_],A](v: F[A])(implicit F0: Unzip[F]) =
    new UnzipOps[F,A](v)

  ////
  implicit def ToUnzipPairOps[F[_],A,B](v: F[(A, B)])(implicit F0: Unzip[F]) =
    new UnzipPairOps[F,A,B](v)(F0)

  final class UnzipPairOps[F[_],A, B] private[syntax](self: F[(A, B)])(implicit F: Unzip[F]) {
    def unfzip: (F[A], F[B]) =
      F.unzip(self)

    def firsts: F[A] =
      F.firsts(self)

    def seconds: F[B] =
      F.seconds(self)
  }

  ////
}

trait UnzipSyntax[F[_]]  {
  implicit def ToUnzipOps[A](v: F[A]): UnzipOps[F, A] = new UnzipOps[F,A](v)(UnzipSyntax.this.F)

  def F: Unzip[F]
  ////

  ////
}

Other Scala examples (source code examples)

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