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Scala example source code file (BifoldableSyntax.scala)

This example Scala source code file (BifoldableSyntax.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

bifoldableops, tobifoldableops, tobifoldableops0

The BifoldableSyntax.scala Scala example source code

package scalaz
package syntax

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

  def bifoldMap[M: Monoid](f: A => M)(g: B => M): M = F.bifoldMap(self)(f)(g)
  def bifoldRight[C](z: => C)(f: (A, => C) => C)(g: (B, => C) => C): C = F.bifoldRight(self, z)(f)(g)
  def bifoldLeft[C](z: C)(f: (C, A) => C)(g: (C, B) => C): C = F.bifoldLeft(self, z)(f)(g)
  def bifoldMap1[M: Semigroup](f: A => M)(g: B => M): Option[M] = F.bifoldMap1(self)(f)(g)
  def bifoldR[C](z: => C)(f: A => (=> C) => C)(g: B => (=> C) => C): C = F.bifoldR(self, z)(f)(g)
  def bifoldL[C](z: C)(f: C => A => C)(g: C => B => C): C = F.bifoldL(self, z)(f)(g)

  ////
}

sealed trait ToBifoldableOps0 {
  implicit def ToBifoldableOpsUnapply[FA](v: FA)(implicit F0: Unapply2[Bifoldable, FA]) =
    new BifoldableOps[F0.M,F0.A,F0.B](F0(v))(F0.TC)

}

trait ToBifoldableOps extends ToBifoldableOps0 {

  implicit def ToBifoldableOps[F[_, _],A, B](v: F[A, B])(implicit F0: Bifoldable[F]) =
    new BifoldableOps[F,A, B](v)


  implicit def ToBifoldableVFromKleisliLike[G[_], F[G[_], _, _],A, B](v: F[G, A, B])(implicit F0: Bifoldable[F[G, ?, ?]]) =
    new BifoldableOps[F[G, ?, ?], A, B](v)(F0)

  ////

  ////
}

trait BifoldableSyntax[F[_, _]]  {
  implicit def ToBifoldableOps[A, B](v: F[A, B]): BifoldableOps[F, A, B] = new BifoldableOps[F, A, B](v)(BifoldableSyntax.this.F)

  def F: Bifoldable[F]
  ////

  ////
}

Other Scala examples (source code examples)

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