ContravariantSemigroupal

abstract def contramap[A, B](fa: F[A])(f: (B) ⇒ A): F[B]

abstract def product[A, B](fa: F[A], fb: F[B]): F[(A, B)]

final def !=(arg0: Any): Boolean

final def ##(): Int

final def ==(arg0: Any): Boolean

final def asInstanceOf[T0]: T0

def clone(): AnyRef

def compose[G[_]](implicit arg0: Contravariant[G]): Functor[[α]F[G[α]]]

def compose[G[_]](implicit arg0: Invariant[G]): Invariant[[α]F[G[α]]]

def composeContravariant[G[_]](implicit arg0: Contravariant[G]): Invariant[[α]F[G[α]]]

def composeFunctor[G[_]](implicit arg0: Functor[G]): ContravariantSemigroupal[[α]F[G[α]]]

final def eq(arg0: AnyRef): Boolean

def equals(arg0: Any): Boolean

def finalize(): Unit

final def getClass(): Class[_]

def hashCode(): Int

def imap[A, B](fa: F[A])(f: (A) ⇒ B)(fi: (B) ⇒ A): F[B]

final def isInstanceOf[T0]: Boolean

def narrow[A, B <: A](fa: F[A]): F[B]

Lifts natural subtyping contravariance of contravariant Functors.

final def ne(arg0: AnyRef): Boolean

final def notify(): Unit

final def notifyAll(): Unit

final def synchronized[T0](arg0: ⇒ T0): T0

def toString(): String

final def wait(): Unit

final def wait(arg0: Long, arg1: Int): Unit

final def wait(arg0: Long): Unit