Trait/Object

scalaz

UnwriterT

Related Docs: object UnwriterT | package scalaz

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sealed trait UnwriterT[F[+_], +U, +A] extends AnyRef

This data type is isomorphic to WriterT, however, it is NOT a monad.

It implements flatMap+map and drops the write value. There is no Monoid or Semigroup required. There is no point operation. You can switch between WriterT and UnwriterT with unary_+ and unary_-.

Self Type
UnwriterT[F, U, A]
Source
UnwriterT.scala
Linear Supertypes
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Abstract Value Members

  1. abstract val run: F[(U, A)]

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Concrete Value Members

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

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    Definition Classes
    AnyRef → Any
  2. final def ##(): Int

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    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean

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    Definition Classes
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  4. def ap[B, UU >: U](f: ⇒ UnwriterT[F, UU, (A) ⇒ B])(implicit F: Apply[F]): UnwriterT[F, UU, B]

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  5. final def asInstanceOf[T0]: T0

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    Definition Classes
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  6. def bimap[C, D](f: (U) ⇒ C, g: (A) ⇒ D)(implicit F: Functor[F]): UnwriterT[F, C, D]

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  7. def bitraverse[G[_], C, D](f: (U) ⇒ G[C], g: (A) ⇒ G[D])(implicit G: Applicative[G], F: Traverse[F]): G[UnwriterT[F, C, D]]

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  8. def clone(): AnyRef

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    Attributes
    protected[java.lang]
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    Annotations
    @throws( ... )
  9. def colocal[X](f: (U) ⇒ X)(implicit F: Functor[F]): UnwriterT[F, X, A]

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

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    Definition Classes
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  11. def equals(arg0: Any): Boolean

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  12. def finalize(): Unit

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    Attributes
    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )
  13. def flatMap[B, UU >: U](f: (A) ⇒ UnwriterT[F, UU, B])(implicit F: Bind[F]): UnwriterT[F, UU, B]

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  14. def foldRight[B](z: ⇒ B)(f: (A, ⇒ B) ⇒ B)(implicit F: Foldable[F]): B

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  15. def foreach[B](f: (A) ⇒ Unit)(implicit E: Each[F]): Unit

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  16. final def getClass(): Class[_]

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  17. def hashCode(): Int

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  18. final def isInstanceOf[T0]: Boolean

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    Definition Classes
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  19. def leftMap[C](f: (U) ⇒ C)(implicit F: Functor[F]): UnwriterT[F, C, A]

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  20. def map[B](f: (A) ⇒ B)(implicit F: Functor[F]): UnwriterT[F, U, B]

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  21. def mapUnwritten[X](f: (U) ⇒ X)(implicit F: Functor[F]): UnwriterT[F, X, A]

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  22. def mapValue[X, B](f: ((U, A)) ⇒ (X, B))(implicit F: Functor[F]): UnwriterT[F, X, B]

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

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    Definition Classes
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  24. final def notify(): Unit

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    Definition Classes
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  25. final def notifyAll(): Unit

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    Definition Classes
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  26. def on: WriterT[F, U, A]

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  27. def swap(implicit F: Functor[F]): UnwriterT[F, A, U]

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

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    Definition Classes
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  29. def toString(): String

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    Definition Classes
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  30. def traverse[G[+_], B](f: (A) ⇒ G[B])(implicit G: Applicative[G], F: Traverse[F]): G[UnwriterT[F, U, B]]

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  31. def unary_+: WriterT[F, U, A]

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    alias for on

  32. def unwritten(implicit F: Functor[F]): F[U]

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  33. def value(implicit F: Functor[F]): F[A]

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  34. final def wait(): Unit

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    Definition Classes
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    Annotations
    @throws( ... )
  35. final def wait(arg0: Long, arg1: Int): Unit

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    @throws( ... )
  36. final def wait(arg0: Long): Unit

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    @throws( ... )
  37. def wpoint[G[+_]](implicit F: Functor[F], P: Applicative[G]): UnwriterT[F, G[U], A]

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