Scala example source code file (StreamOps.scala)

This example Scala source code file (StreamOps.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

anyval, monad, option, stream, streamops, tostreamopsfromstream

The StreamOps.scala Scala example source code

package scalaz
package syntax
package std

import scalaz.std.{stream => s}


final class StreamOps[A](val self: Stream[A]) extends AnyVal {
  final def interleave(other: Stream[A]): Stream[A] = s.interleave(self, other)
  final def toZipper: Option[Zipper[A]] = s.toZipper(self)
  final def zipperEnd: Option[Zipper[A]] = s.zipperEnd(self)
  final def heads: Stream[Stream[A]] = s.heads(self)
  final def tails: Stream[Stream[A]] = s.tails(self)
  final def zapp[B, C](f: Stream[A => B => C]): Stream[B => C] = s.zapp(self)(f)
  final def unfoldForest[B](f: A => (B, () => Stream[A])): Stream[Tree[B]] = s.unfoldForest(self)(f)
  final def unfoldForestM[B, M[_] : Monad](f: A => M[(B, Stream[A])]): M[Stream[Tree[B]]] = s.unfoldForestM(self)(f)
  final def intersperse(a: A): Stream[A] = s.intersperse(self, a)
}

trait ToStreamOps {
  implicit def ToStreamOpsFromStream[A](a: Stream[A]): StreamOps[A] = new StreamOps(a)
}