Profunctor

abstract def dimap[A, B, C, D](fab: F[A, B])(f: (C) ⇒ A)(g: (B) ⇒ D): F[C, D]

Contramap on the first type parameter and map on the second type parameter

scala> import cats.implicits._
scala> import cats.arrow.Profunctor
scala> val fab: Double => Double = x => x + 0.3
scala> val f: Int => Double = x => x.toDouble / 2
scala> val g: Double => Double = x => x * 3
scala> val h = Profunctor[Function1].dimap(fab)(f)(g)
scala> h(3)
res0: Double = 5.4

abstract def getClass(): Class[_]

final def !=(arg0: Any): Boolean

final def ##(): Int

final def ==(arg0: Any): Boolean

final def asInstanceOf[T0]: T0

def equals(arg0: Any): Boolean

def hashCode(): Int

final def isInstanceOf[T0]: Boolean

def lmap[A, B, C](fab: F[A, B])(f: (C) ⇒ A): F[C, B]

contramap on the first type parameter

def rmap[A, B, C](fab: F[A, B])(f: (B) ⇒ C): F[A, C]

map on the second type parameter

def toString(): String