Scala example source code file (PlusSyntax.scala)

This example Scala source code file (PlusSyntax.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

plus, plusops, plussyntax, toplusops, toplusops0, toplusopsunapply

The PlusSyntax.scala Scala example source code

package scalaz
package syntax

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

  final def <+>(other: => F[A]) = F.plus(self, other)

  ////
}

sealed trait ToPlusOps0 {
  implicit def ToPlusOpsUnapply[FA](v: FA)(implicit F0: Unapply[Plus, FA]) =
    new PlusOps[F0.M,F0.A](F0(v))(F0.TC)

}

trait ToPlusOps extends ToPlusOps0 {
  implicit def ToPlusOps[F[_],A](v: F[A])(implicit F0: Plus[F]) =
    new PlusOps[F,A](v)

  ////

  ////
}

trait PlusSyntax[F[_]]  {
  implicit def ToPlusOps[A](v: F[A]): PlusOps[F, A] = new PlusOps[F,A](v)(PlusSyntax.this.F)

  def F: Plus[F]
  ////

  ////
}