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• bifunctor.scala

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cats.syntax.bifunctor.scala Maven / Gradle / Ivy

package cats
package syntax

import cats.functor.Bifunctor

trait BifunctorSyntax {
  // TODO: use simulacrum instances eventually
  implicit def bifunctorSyntax[F[_, _]: Bifunctor, A, B](fab: F[A, B]): BifunctorOps[F, A, B] =
    new BifunctorOps[F, A, B](fab)
}

class BifunctorOps[F[_, _], A, B](fab: F[A, B])(implicit F: Bifunctor[F]) {
  def bimap[C, D](f: A => C, g: B => D): F[C,D] = F.bimap(fab)(f,g)
}