Scala example source code file (WriterOps.scala)

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Java - Scala tags/keywords

anyval, towriterops, unit, writer, writerops

The WriterOps.scala Scala example source code

package scalaz
package syntax

final class WriterOps[A](val self: A) extends AnyVal {
  def set[W](w: W): Writer[W, A] = WriterT.writer(w -> self)

  def tell: Writer[A, Unit] = WriterT.tell(self)
}

trait ToWriterOps {
  implicit def ToWriterOps[A](a: A) = new WriterOps(a)
}