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object Foldable

Source
Foldable.scala
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Type Members

  1. trait FromFoldMap [F[_]] extends Foldable[F]

    Template trait to define Foldable in terms of foldMap.

    Template trait to define Foldable in terms of foldMap.

    Example:

    new Foldable[Option] with Foldable.FromFoldMap[Option] {
  def foldMap[A, B](fa: Option[A])(f: A => B)(implicit F: Monoid[B]) = fa match {
    case Some(a) => f(a)
    case None    => F.zero
  }
}
  2. trait FromFoldr [F[_]] extends Foldable[F]

    Template trait to define Foldable in terms of foldr

    Template trait to define Foldable in terms of foldr

    Example:

    new Foldable[Option] with Foldable.FromFoldr[Option] {
  def foldr[A, B](fa: Option[A], z: B)(f: (A) => (=> B) => B) = fa match {
    case Some(a) => f(a)(z)
    case None => z
  }
}

Value Members

  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. def apply[F[_]](implicit F: Foldable[F]): Foldable[F]
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    @inline()
  5. final def asInstanceOf[T0]: T0
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  6. def clone(): AnyRef
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  7. final def eq(arg0: AnyRef): Boolean
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  8. def equals(arg0: Any): Boolean
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  9. def finalize(): Unit
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  10. final def getClass(): Class[_]
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  11. def hashCode(): Int
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  12. final def isInstanceOf[T0]: Boolean
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  13. final def ne(arg0: AnyRef): Boolean
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  14. final def notify(): Unit
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  15. final def notifyAll(): Unit
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  16. final def synchronized[T0](arg0: ⇒ T0): T0
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  17. def toString(): String
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  18. final def wait(): Unit
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  19. final def wait(arg0: Long, arg1: Int): Unit
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  20. final def wait(arg0: Long): Unit
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