Object

scalaz.std

option

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object option extends OptionInstances with OptionFunctions

Source
Option.scala
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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. final def cata[A, X](oa: Option[A])(some: (A) ⇒ X, none: ⇒ X): X

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    Catamorphism over the option.

    Catamorphism over the option. Returns the provided function some applied to item contained in the Option if it is defined, otherwise, the provided value none.

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    OptionFunctions
  6. def clone(): AnyRef

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    protected[java.lang]
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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 fold[A, X](oa: Option[A])(some: (A) ⇒ X, none: ⇒ X): X

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    Alias for cata

    Alias for cata

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    OptionFunctions
  11. final def foldLift[F[_], A, B](oa: Option[A])(b: ⇒ B, k: (F[A]) ⇒ B)(implicit p: Applicative[F]): B

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    Returns the given value if None, otherwise lifts the Some value and passes it to the given function.

    Returns the given value if None, otherwise lifts the Some value and passes it to the given function.

    Definition Classes
    OptionFunctions
  12. final def foldLiftOpt[A, B](oa: Option[A])(b: ⇒ B, k: (Option[A]) ⇒ B): B

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    Returns the given value if None, otherwise lifts the Some value to Option and passes it to the given function.

    Returns the given value if None, otherwise lifts the Some value to Option and passes it to the given function.

    Definition Classes
    OptionFunctions
  13. final def getClass(): Class[_]

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  14. final def getOrElseF[A, F[_]](oa: Option[A])(fa: ⇒ F[A])(implicit F: Applicative[F]): F[A]

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    Returns the item contained in the Option wrapped in type F if the Option is defined, otherwise, returns the supplied action.

  15. def hashCode(): Int

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  16. final def isInstanceOf[T0]: Boolean

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

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  18. final def none[A]: Option[A]

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    scala.None with a sometimes more convenient type.

    scala.None with a sometimes more convenient type.

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  19. final def notify(): Unit

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  20. final def notifyAll(): Unit

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  21. implicit def optionEqual[A](implicit A0: Equal[A]): Equal[Option[A]]

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  22. implicit def optionFirst[A]: Monoid[FirstOption[A]] with Band[FirstOption[A]]

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  23. implicit def optionFirstMonad: Monad[FirstOption]

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  24. implicit def optionFirstOrder[A](implicit arg0: Order[A]): Order[FirstOption[A]]

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  25. implicit def optionFirstShow[A](implicit arg0: Show[A]): Show[FirstOption[A]]

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  26. implicit val optionInstance: Traverse[Option] with MonadPlus[Option] with BindRec[Option] with Cozip[Option] with Zip[Option] with Unzip[Option] with Align[Option] with IsEmpty[Option] with Cobind[Option] with Optional[Option]

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  27. implicit def optionLast[A]: Monoid[LastOption[A]] with Band[LastOption[A]]

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  28. implicit def optionLastMonad: Monad[LastOption]

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  29. implicit def optionLastOrder[A](implicit arg0: Order[A]): Order[LastOption[A]]

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  30. implicit def optionLastShow[A](implicit arg0: Show[A]): Show[LastOption[A]]

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  31. implicit def optionMax[A](implicit o: Order[A]): Monoid[MaxOption[A]] with Band[MaxOption[A]]

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  32. implicit def optionMaxMonad: Monad[MaxOption]

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  33. implicit def optionMaxOrder[A](implicit arg0: Order[A]): Order[MaxOption[A]]

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  34. implicit def optionMaxShow[A](implicit arg0: Show[A]): Show[MaxOption[A]]

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  35. implicit def optionMin[A](implicit o: Order[A]): Monoid[MinOption[A]] with Band[MinOption[A]]

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  36. implicit def optionMinMonad: Monad[MinOption]

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  37. implicit def optionMinOrder[A](implicit arg0: Order[A]): Order[MinOption[A]]

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  38. implicit def optionMinShow[A](implicit arg0: Show[A]): Show[MinOption[A]]

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  39. implicit def optionMonoid[A](implicit arg0: Semigroup[A]): Monoid[Option[A]]

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  40. implicit def optionOrder[A](implicit A0: Order[A]): Order[Option[A]]

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    Add None as an element less than all As.

    Add None as an element less than all As.

    Definition Classes
    OptionInstances
  41. implicit def optionShow[A](implicit arg0: Show[A]): Show[Option[A]]

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  42. object optionSyntax extends ToOptionOps with ToOptionIdOps

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  43. final def orEmpty[A, M[_]](oa: Option[A])(implicit arg0: Applicative[M], arg1: PlusEmpty[M]): M[A]

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    Returns the item contained in the Option wrapped in type M if the Option is defined, otherwise, the empty value for type M.

    Returns the item contained in the Option wrapped in type M if the Option is defined, otherwise, the empty value for type M.

    Definition Classes
    OptionFunctions
  44. final def some[A](a: A): Option[A]

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    scala.Some.apply with a sometimes more convenient type.

    scala.Some.apply with a sometimes more convenient type.

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

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  46. final def toFailure[A, B](oa: Option[A])(b: ⇒ B): Validation[A, B]

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  47. final def toFailureNel[A, B](oa: Option[A])(b: ⇒ B): ValidationNel[A, B]

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  48. final def toLeft[A, B](oa: Option[A])(b: ⇒ B): \/[A, B]

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  49. final def toMaybe[A](oa: Option[A]): Maybe[A]

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  50. final def toRight[A, E](oa: Option[A])(e: ⇒ E): \/[E, A]

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  51. def toString(): String

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  52. final def toSuccess[A, E](oa: Option[A])(e: ⇒ E): Validation[E, A]

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  53. final def toSuccessNel[A, E](oa: Option[A])(e: ⇒ E): ValidationNel[E, A]

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  54. final def wait(): Unit

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

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

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Inherited from OptionFunctions

Inherited from OptionInstances

Inherited from OptionInstances0

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