Class/Object

cats.free

ContravariantCoyoneda

Related Docs: object ContravariantCoyoneda | package free

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sealed abstract class ContravariantCoyoneda[F[_], A] extends Serializable

The free contravariant functor on F. This is isomorphic to F as long as F itself is a contravariant functor. The function from F[A] to ContravariantCoyoneda[F,A] exists even when F is not a contravariant functor. Implemented using a List of functions for stack-safety.

Self Type
ContravariantCoyoneda[F, A]
Linear Supertypes
Serializable, Serializable, AnyRef, Any
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Type Members

  1. abstract type Pivot

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    The pivot between fi and k, usually existential.

Abstract Value Members

  1. abstract val fi: F[Pivot]

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    The underlying value.

Concrete Value Members

  1. final def !=(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  2. final def ##(): Int

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    Definition Classes
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  3. final def ==(arg0: Any): Boolean

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  4. final def asInstanceOf[T0]: T0

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  5. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  6. final def contramap[B](f: (B) ⇒ A): Aux[F, B, Pivot]

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    Simple function composition.

    Simple function composition. Allows contramap fusion without touching the underlying F.

  7. final def eq(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  8. def equals(arg0: Any): Boolean

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    Definition Classes
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  9. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
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    Annotations
    @throws( classOf[java.lang.Throwable] )
  10. final def foldMap[G[_]](trans: ~>[F, G])(implicit G: Contravariant[G]): G[A]

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    Converts to G[A] given that G is a contravariant functor

  11. final def getClass(): Class[_]

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    Definition Classes
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  12. def hashCode(): Int

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    Definition Classes
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  13. final def isInstanceOf[T0]: Boolean

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    Any
  14. final def k: (A) ⇒ Pivot

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    The composed transformer function, to be lifted into F by run.

  15. final def mapK[G[_]](f: ~>[F, G]): Aux[G, A, Pivot]

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    Modify the context F using transformation f.

  16. final def ne(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  17. final def notify(): Unit

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    Definition Classes
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  18. final def notifyAll(): Unit

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    Definition Classes
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  19. final def run(implicit F: Contravariant[F]): F[A]

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    Converts to F[A] given that F is a contravariant functor

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

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  21. def toString(): String

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  22. final def wait(): Unit

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    @throws( ... )
  23. final def wait(arg0: Long, arg1: Int): Unit

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    @throws( ... )
  24. final def wait(arg0: Long): Unit

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Inherited from Serializable

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