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• eff-writer_3
• 7.0.5
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• WriterCreation.scala

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org.atnos.eff.WriterCreation.scala Maven / Gradle / Ivy

package org.atnos.eff

import cats._
import data._
import Eff._

trait WriterCreation {

  /** write a given value */
  def tell[R, O](o: O)(implicit member: Writer[O, *] |= R): Eff[R, Unit] =
    send[Writer[O, *], R, Unit](Writer(o, ()))

}

object WriterCreation extends WriterCreation