Coyoneda

The dual view of the Yoneda lemma. Also a free functor on F. This is isomorphic to F as long as F itself is a functor. The homomorphism from F[A] to Coyoneda[F,A] exists even when F is not a functor.

Self Type: Coyoneda[F, A]
Source: Coyoneda.scala

Linear Supertypes

AnyRef, Any

Type Members

abstract type I

The pivot between fi and k, usually existential.

Abstract Value Members

abstract val fi: F[I]

The underlying value.
abstract val k: (I) ⇒ A

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

Concrete Value Members

final def !=(arg0: Any): Boolean

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

Definition Classes
AnyRef → Any
final def ==(arg0: Any): Boolean

Definition Classes
AnyRef → Any
final def asInstanceOf[T0]: T0

Definition Classes
Any
def clone(): AnyRef

Attributes
protected[java.lang]
Definition Classes
AnyRef
Annotations
@throws( ... )
final def eq(arg0: AnyRef): Boolean

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

Definition Classes
AnyRef → Any
def finalize(): Unit

Attributes
protected[java.lang]
Definition Classes
AnyRef
Annotations
@throws( classOf[java.lang.Throwable] )
final def getClass(): Class[_]

Definition Classes
AnyRef → Any
def hashCode(): Int

Definition Classes
AnyRef → Any
final def isInstanceOf[T0]: Boolean

Definition Classes
Any
final def map[B](f: (A) ⇒ B): Aux[F, B, I]

Simple function composition.
Simple function composition. Allows map fusion without touching the underlying F.
final def ne(arg0: AnyRef): Boolean

Definition Classes
AnyRef
final def notify(): Unit

Definition Classes
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final def notifyAll(): Unit

Definition Classes
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final def run(implicit F: Functor[F]): F[A]

Converts to F[A] given that F is a functor
final def synchronized[T0](arg0: ⇒ T0): T0

Definition Classes
AnyRef
def toLan: Lan[Id.Id, F, A]

Coyoneda[F,_] is the left Kan extension of F along Id
def toString(): String

Definition Classes
AnyRef → Any
final def toYoneda(implicit F: Functor[F]): Yoneda[F, A]

Converts to Yoneda[F,A] given that F is a functor
final def trans[G[_]](f: ~>[F, G]): Aux[G, A, I]
final def unlift(implicit F: Functor[F]): F[A]

Alias for run.
Alias for run.

Annotations
@inline()
final def wait(): Unit

Definition Classes
AnyRef
Annotations
@throws( ... )
final def wait(arg0: Long, arg1: Int): Unit

Definition Classes
AnyRef
Annotations
@throws( ... )
final def wait(arg0: Long): Unit

Definition Classes
AnyRef
Annotations
@throws( ... )

Related Docs: object Coyoneda | package scalaz

sealed abstract class Coyoneda[F[_], A] extends AnyRef

Type Members

abstract type I

Abstract Value Members

abstract val fi: F[I]

abstract val k: (I) ⇒ A

Concrete Value Members

final def !=(arg0: Any): Boolean

final def ##(): Int

final def ==(arg0: Any): Boolean

final def asInstanceOf[T0]: T0

def clone(): AnyRef

final def eq(arg0: AnyRef): Boolean

def equals(arg0: Any): Boolean

def finalize(): Unit

final def getClass(): Class[_]

def hashCode(): Int

final def isInstanceOf[T0]: Boolean

final def map[B](f: (A) ⇒ B): Aux[F, B, I]

final def ne(arg0: AnyRef): Boolean

final def notify(): Unit

final def notifyAll(): Unit

final def run(implicit F: Functor[F]): F[A]

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

def toLan: Lan[Id.Id, F, A]

def toString(): String

final def toYoneda(implicit F: Functor[F]): Yoneda[F, A]

final def trans[G[_]](f: ~>[F, G]): Aux[G, A, I]

final def unlift(implicit F: Functor[F]): F[A]

final def wait(): Unit

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

final def wait(arg0: Long): Unit

Inherited from AnyRef

Inherited from Any

Ungrouped