scalaz

Reducer

class Reducer [C, M] extends AnyRef

A Reducer[C,M] is a Monoid[M] that maps values of type C through unit to values of type M. A C-Reducer may also supply operations which tack on another C to an existing 'Monoid' M on the left or right. These specialized reductions may be more efficient in some scenarios and are used when appropriate by a 'Generator'. The names 'cons' and 'snoc' work by analogy to the synonymous operations in the list monoid.

Minimal definition: 'unit' or 'snoc'

Based on a Haskell library by Edward Kmett

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abstract
Source
Reducer.scala
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Instance Constructors

  1. new Reducer ()(implicit mm: Monoid[M])

Value Members

  1. def != (arg0: AnyRef): Boolean

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  2. def != (arg0: Any): Boolean

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  3. def ## (): Int

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  4. def &&& [N] (r: Reducer[C, N]): Reducer[C, (M, N)]

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  5. def == (arg0: AnyRef): Boolean

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  6. def == (arg0: Any): Boolean

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  7. def asInstanceOf [T0] : T0

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  8. def clone (): AnyRef

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  9. def cons (c: C, m: M): M

  10. def eq (arg0: AnyRef): Boolean

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  11. def equals (arg0: Any): Boolean

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  12. def finalize (): Unit

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  13. def getClass (): java.lang.Class[_]

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  14. def hashCode (): Int

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  15. def isInstanceOf [T0] : Boolean

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  16. val monoid : Monoid[M]

  17. def ne (arg0: AnyRef): Boolean

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  18. def notify (): Unit

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  19. def notifyAll (): Unit

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  20. def snoc (m: M, c: C): M

  21. def synchronized [T0] (arg0: ⇒ T0): T0

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  22. def toString (): String

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  23. def unit (c: C): M

  24. def wait (): Unit

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

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  26. def wait (arg0: Long): Unit

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