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• CobindSyntax.scala

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scalaz.syntax.CobindSyntax.scala Maven / Gradle / Ivy

package org.specs2.internal.scalaz
package syntax

/** Wraps a value `self` and provides methods related to `Cobind` */
trait CobindOps[F[_],A] extends Ops[F[A]] {
  implicit def F: Cobind[F]
  ////
  def cobind[B](f: F[A] => B) = F.cobind(self)(f)
  ////
}

trait ToCobindOps0 {
  implicit def ToCobindOpsUnapply[FA](v: FA)(implicit F0: Unapply[Cobind, FA]) =
    new CobindOps[F0.M,F0.A] { def self = F0(v); implicit def F: Cobind[F0.M] = F0.TC }

}

trait ToCobindOps extends ToCobindOps0 with ToFunctorOps {
  implicit def ToCobindOps[F[_],A](v: F[A])(implicit F0: Cobind[F]) =
    new CobindOps[F,A] { def self = v; implicit def F: Cobind[F] = F0 }

  ////

  ////
}

trait CobindSyntax[F[_]] extends FunctorSyntax[F] { 
  implicit def ToCobindOps[A](v: F[A]): CobindOps[F, A] = new CobindOps[F,A] { def self = v; implicit def F: Cobind[F] = CobindSyntax.this.F }

  def F: Cobind[F]
  ////

  ////
}