object Foldable
- Source
- Foldable.scala
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Type Members
- trait FromFoldMap[F[_]] extends Foldable[F]
Template trait to define
Foldablein terms offoldMap.Template trait to define
Foldablein terms offoldMap.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 } }
- trait FromFoldr[F[_]] extends Foldable[F]
Template trait to define
Foldablein terms offoldrTemplate trait to define
Foldablein terms offoldrExample:
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
- final def !=(arg0: Any): Boolean
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- final def ##(): Int
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- final def ==(arg0: Any): Boolean
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- def apply[F[_]](implicit F: Foldable[F]): Foldable[F]
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- @inline()
- final def asInstanceOf[T0]: T0
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