Object/Class

scalaz

Maybe

Related Docs: class Maybe | package scalaz

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object Maybe extends MaybeInstances

Source
Maybe.scala
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Type Members

  1. final case class Empty[A]() extends Maybe[A] with Product with Serializable

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  2. final case class Just[A](a: A) extends Maybe[A] with Product with Serializable

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Value Members

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

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    Definition Classes
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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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    Attributes
    protected[java.lang]
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    Annotations
    @throws( ... )
  6. final def empty[A]: Maybe[A]

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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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    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )
  10. final def fromNullable[A](a: A): Maybe[A]

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    Wrap a value in Just, or return Empty if the value is null

  11. final def fromOption[A](oa: Option[A]): Maybe[A]

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  12. def fromTryCatchNonFatal[T](a: ⇒ T): Maybe[T]

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  13. def fromTryCatchThrowable[T, E <: Throwable](a: ⇒ T)(implicit nn: NotNothing[E], ex: ClassTag[E]): Maybe[T]

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

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  15. def hashCode(): Int

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  16. final def isInstanceOf[T0]: Boolean

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  17. final def just[A](a: A): Maybe[A]

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  18. implicit def maybeBand[A](implicit arg0: Band[A]): Band[Maybe[A]]

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    Definition Classes
    MaybeInstances0
  19. implicit def maybeEqual[A](implicit arg0: Equal[A]): Equal[Maybe[A]]

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    Definition Classes
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  20. implicit def maybeFirstMonad: Monad[FirstMaybe]

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  21. implicit def maybeFirstMonoid[A]: Monoid[FirstMaybe[A]] with Band[FirstMaybe[A]]

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    Definition Classes
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  22. implicit def maybeFirstOrder[A](implicit A: Order[Maybe[A]]): Order[FirstMaybe[A]]

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    Definition Classes
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  23. implicit def maybeFirstShow[A](implicit A: Show[Maybe[A]]): Show[FirstMaybe[A]]

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    Definition Classes
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  24. implicit val maybeInstance: Traverse[Maybe] with MonadPlus[Maybe] with BindRec[Maybe] with Cozip[Maybe] with Zip[Maybe] with Unzip[Maybe] with Align[Maybe] with IsEmpty[Maybe] with Cobind[Maybe] with Optional[Maybe]

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    Definition Classes
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  25. implicit def maybeLastMonad: Monad[LastMaybe]

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    Definition Classes
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  26. implicit def maybeLastMonoid[A]: Monoid[LastMaybe[A]] with Band[LastMaybe[A]]

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  27. implicit def maybeLastOrder[A](implicit A: Order[Maybe[A]]): Order[LastMaybe[A]]

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  28. implicit def maybeLastShow[A](implicit A: Show[Maybe[A]]): Show[LastMaybe[A]]

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    Definition Classes
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  29. implicit def maybeMax[A](implicit o: Order[A]): Monoid[MaxMaybe[A]] with Band[MaxMaybe[A]]

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    Definition Classes
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  30. implicit def maybeMaxMonad: Monad[MaxMaybe]

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  31. implicit def maybeMaxOrder[A](implicit arg0: Order[A]): Order[MaxMaybe[A]]

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  32. implicit def maybeMaxShow[A](implicit arg0: Show[A]): Show[MaxMaybe[A]]

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  33. implicit def maybeMin[A](implicit o: Order[A]): Monoid[MinMaybe[A]] with Band[MinMaybe[A]]

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    Definition Classes
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  34. implicit def maybeMinMonad: Monad[MinMaybe]

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  35. implicit def maybeMinOrder[A](implicit arg0: Order[A]): Order[MinMaybe[A]]

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  36. implicit def maybeMinShow[A](implicit arg0: Show[A]): Show[MinMaybe[A]]

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  37. implicit def maybeMonoid[A](implicit arg0: Semigroup[A]): Monoid[Maybe[A]]

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    Definition Classes
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  38. implicit def maybeOrder[A](implicit arg0: Order[A]): Order[Maybe[A]]

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    Definition Classes
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  39. implicit def maybeShow[A](implicit A: Show[A]): Show[Maybe[A]]

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    Definition Classes
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  40. final def ne(arg0: AnyRef): Boolean

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  41. final def notify(): Unit

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  42. final def notifyAll(): Unit

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  43. val optionMaybeIso: Isomorphism.<~>[Option, Maybe]

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

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  45. def toString(): String

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  46. final def wait(): Unit

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    @throws( ... )
  47. final def wait(arg0: Long, arg1: Int): Unit

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  48. final def wait(arg0: Long): Unit

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Inherited from MaybeInstances

Inherited from MaybeInstances0

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