Object

higherkindness.droste

kernel

Related Doc: package droste

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object kernel

Fundamental recursion schemes implemented in terms of functions and nothing else.

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

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  2. final def ##(): Int

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

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  7. def equals(arg0: Any): Boolean

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  8. def finalize(): Unit

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    @throws( classOf[java.lang.Throwable] )
  9. final def getClass(): Class[_]

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  10. def hashCode(): Int

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  11. def hylo[F[_], A, B](algebra: (F[B]) ⇒ B, coalgebra: (A) ⇒ F[A])(implicit arg0: Functor[F]): (A) ⇒ B

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    Build a hylomorphism by recursively unfolding with coalgebra and refolding with algebra.

    Build a hylomorphism by recursively unfolding with coalgebra and refolding with algebra.

                     hylo
             A ---------------> B
             |                  ^
     co-     |                  |
    algebra  |                  | algebra
             |                  |
             v                  |
            F[A] ------------> F[B]
                   map hylo
    

  12. def hyloC[F[_], G[_], A, B](algebra: (F[G[B]]) ⇒ B, coalgebra: (A) ⇒ F[G[A]])(implicit arg0: Functor[F], arg1: Functor[G]): (A) ⇒ B

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    Convenience to build a hylomorphism for the composed functor F[G[_]].

    Convenience to build a hylomorphism for the composed functor F[G[_]].

    This is strictly for convenience and just delegates to hylo with the types set properly.

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    @inline()
  13. def hyloM[M[_], F[_], A, B](algebra: (F[B]) ⇒ M[B], coalgebra: (A) ⇒ M[F[A]])(implicit arg0: Monad[M], arg1: Traverse[F]): (A) ⇒ M[B]

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    Build a monadic hylomorphism

    Build a monadic hylomorphism

                    hyloM
             A ---------------> M[B]
             |                  ^
     co-     |                  |
    algebraM |                  | flatMap f
             |                  |
             v                  |
          M[F[A]] ---------> M[F[M[B]]]
                  map hyloM
    
    with f:
    
    F[M[B]] -----> M[F[B]] ----------> M[B]
          sequence          flatMap
                            algebraM
    

  14. def hyloMC[M[_], F[_], G[_], A, B](algebra: (F[G[B]]) ⇒ M[B], coalgebra: (A) ⇒ M[F[G[A]]])(implicit arg0: Monad[M], arg1: Traverse[F], arg2: Traverse[G]): (A) ⇒ M[B]

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    Convenience to build a monadic hylomorphism for the composed functor F[G[_]].

  15. final def isInstanceOf[T0]: Boolean

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

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  17. final def notify(): Unit

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  18. final def notifyAll(): Unit

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

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  20. def toString(): String

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  21. final def wait(): Unit

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

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  23. final def wait(arg0: Long): Unit

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