Trait/Object

org.specs2.data

Fold

Related Docs: object Fold | package data

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trait Fold[T] extends AnyRef

A Fold[T] can be used to pass over a Process[Task, T].

It has:

This covers many of the needs of iterating over a Scalaz stream and is composable because there is a Monoid instance for Folds

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Type Members

  1. abstract type S

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Abstract Value Members

  1. abstract def fold: (T, S) ⇒ S

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  2. abstract def init: S

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  3. abstract def last(s: S): Task[Unit]

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  4. abstract def prepare: Task[Unit]

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  5. abstract def sink: Sink[Task, (T, S)]

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Concrete 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. 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. def foldState1: Process1[T, S]

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    create a Process1 returning the state values

  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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  21. def zipWithState1: Process1[T, (T, S)]

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    create a Process1 returning the folded elements and the state values

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