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• CoflatMap.scala

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cats.CoflatMap.scala Maven / Gradle / Ivy

package cats

import simulacrum.typeclass

/**
 * Must obey the laws defined in cats.laws.CoflatMapLaws.
 */
@typeclass trait CoflatMap[F[_]] extends Functor[F] {
  def coflatMap[A, B](fa: F[A])(f: F[A] => B): F[B]

  def coflatten[A](fa: F[A]): F[F[A]] =
    coflatMap(fa)(fa => fa)
}