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Scala example source code file (MonadSyntax.scala)

This example Scala source code file (MonadSyntax.scala) is included in the "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

applicativesyntax, boolean, monadops, monadplus, monadtrans, tomonadops, tomonadops0

The MonadSyntax.scala Scala example source code

package scalaz
package syntax

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

  def liftM[G[_[_], _]](implicit G: MonadTrans[G]): G[F, A] = G.liftM(self)

  def whileM[G[_]](p: F[Boolean])(implicit G: MonadPlus[G]): F[G[A]] = F.whileM(p, self)

  def whileM_(p: F[Boolean]): F[Unit] = F.whileM_(p, self)

  def untilM[G[_]](p: => F[Boolean])(implicit G: MonadPlus[G]): F[G[A]] = F.untilM(self, p)

  def untilM_(p: => F[Boolean]): F[Unit] = F.untilM_(self, p)

  def iterateWhile(p: A => Boolean): F[A] = F.iterateWhile(self)(p)

  def iterateUntil(p: A => Boolean): F[A] = F.iterateUntil(self)(p)


sealed trait ToMonadOps0 {
  implicit def ToMonadOpsUnapply[FA](v: FA)(implicit F0: Unapply[Monad, FA]) =
    new MonadOps[F0.M,F0.A](F0(v))(F0.TC)


trait ToMonadOps extends ToMonadOps0 with ToApplicativeOps with ToBindOps {
  implicit def ToMonadOps[F[_],A](v: F[A])(implicit F0: Monad[F]) =
    new MonadOps[F,A](v)



trait MonadSyntax[F[_]] extends ApplicativeSyntax[F] with BindSyntax[F] {
  implicit def ToMonadOps[A](v: F[A]): MonadOps[F, A] = new MonadOps[F,A](v)(MonadSyntax.this.F)

  def F: Monad[F]


Other Scala examples (source code examples)

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

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