Packages

final case class Cokleisli[F[_], A, B](run: (F[A]) => B) extends Product with Serializable

Represents a function F[A] => B.

Self Type
Cokleisli[F, A, B]
Source
Cokleisli.scala
Linear Supertypes
Serializable, Product, Equals, AnyRef, Any
Type Hierarchy
Ordering
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Inherited
  1. Cokleisli
  2. Serializable
  3. Product
  4. Equals
  5. AnyRef
  6. Any
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Visibility
  1. Public
  2. Protected

Instance Constructors

  1. new Cokleisli(run: (F[A]) => B)

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##: Int
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  4. def andThen[C](c: Cokleisli[F, B, C])(implicit F: CoflatMap[F]): Cokleisli[F, A, C]
  5. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  6. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.CloneNotSupportedException]) @native()
  7. def compose[C](c: Cokleisli[F, C, A])(implicit F: CoflatMap[F]): Cokleisli[F, C, B]
  8. def contramapValue[C](f: (F[C]) => F[A]): Cokleisli[F, C, B]

    Example:

    Example:

    scala> import cats._, data._
scala> val sum = Cokleisli((xs: NonEmptyList[Int]) => xs.reduceLeft(_ + _))

scala> sum.contramapValue((xs: NonEmptyList[String]) => xs.map(_.toInt)).run(NonEmptyList.of("1","2","3"))
res4: Int = 6
  9. def dimap[C, D](f: (C) => A)(g: (B) => D)(implicit F: Functor[F]): Cokleisli[F, C, D]

    Example:

    Example:

    scala> import cats._, data._
scala> val f = Cokleisli((xs: NonEmptyList[Int]) => xs.reverse.head)
scala> def before(x: Double) = x.toInt
scala> def after(x: Int) = x.toString
scala> f.dimap(before)(after).run(NonEmptyList.of(1.0,2.0))
res0: String = 2
  10. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  11. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.Throwable])
  12. def first[C](implicit F: Comonad[F]): Cokleisli[F, (A, C), (B, C)]
  13. def flatMap[C](f: (B) => Cokleisli[F, A, C]): Cokleisli[F, A, C]
  14. final def getClass(): Class[_ <: AnyRef]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  15. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  16. def lmap[C](f: (C) => A)(implicit F: Functor[F]): Cokleisli[F, C, B]

    Example:

    Example:

    scala> import cats._, data._, implicits._
scala> val f = Cokleisli((xs: NonEmptyList[Int]) => xs.reverse.head)
scala> def before(x: Double) = x.toInt
scala> def after(x: Int) = x.toString
scala> f.lmap(before).rmap(after).run(NonEmptyList.of(1.0,2.0))
res0: String = 2
  17. def map[C](f: (B) => C): Cokleisli[F, A, C]
  18. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  19. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  20. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  21. def productElementNames: Iterator[String]
    Definition Classes
    Product
  22. val run: (F[A]) => B
  23. def second[C](implicit F: Comonad[F]): Cokleisli[F, (C, A), (C, B)]
  24. final def synchronized[T0](arg0: => T0): T0
    Definition Classes
    AnyRef
  25. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
  26. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
  27. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException]) @native()

Inherited from Serializable

Inherited from Product

Inherited from Equals

Inherited from AnyRef

Inherited from Any

Ungrouped