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o

scalaz.std

option

object option extends OptionInstances with OptionFunctions

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  1. option
  2. OptionFunctions
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Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  4. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  5. final def cata[A, X](oa: Option[A])(some: (A) ⇒ X, none: ⇒ X): X

    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.

    Definition Classes
    OptionFunctions
  6. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  7. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  8. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  9. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  10. final def fold[A, X](oa: Option[A])(some: (A) ⇒ X, none: ⇒ X): X

    Alias for cata

    Alias for cata

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

    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

    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[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  14. final def getOrElseF[A, F[_]](oa: Option[A])(fa: ⇒ F[A])(implicit F: Applicative[F]): F[A]

    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
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  16. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  17. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  18. final def none[A]: Option[A]

    scala.None with a sometimes more convenient type.

    scala.None with a sometimes more convenient type.

    Definition Classes
    OptionFunctions
  19. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  20. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  21. implicit def optionEqual[A](implicit A0: Equal[A]): Equal[Option[A]]
    Definition Classes
    OptionInstances0
  22. implicit def optionFirst[A]: Monoid[FirstOption[A]] with Band[FirstOption[A]]
    Definition Classes
    OptionInstances
  23. implicit def optionFirstMonad: Monad[FirstOption]
    Definition Classes
    OptionInstances
  24. implicit def optionFirstOrder[A](implicit arg0: Order[A]): Order[FirstOption[A]]
    Definition Classes
    OptionInstances
  25. implicit def optionFirstShow[A](implicit arg0: Show[A]): Show[FirstOption[A]]
    Definition Classes
    OptionInstances
  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]
    Definition Classes
    OptionInstances
  27. implicit def optionLast[A]: Monoid[LastOption[A]] with Band[LastOption[A]]
    Definition Classes
    OptionInstances
  28. implicit def optionLastMonad: Monad[LastOption]
    Definition Classes
    OptionInstances
  29. implicit def optionLastOrder[A](implicit arg0: Order[A]): Order[LastOption[A]]
    Definition Classes
    OptionInstances
  30. implicit def optionLastShow[A](implicit arg0: Show[A]): Show[LastOption[A]]
    Definition Classes
    OptionInstances
  31. implicit def optionMax[A](implicit o: Order[A]): Monoid[MaxOption[A]] with Band[MaxOption[A]]
    Definition Classes
    OptionInstances
  32. implicit def optionMaxMonad: Monad[MaxOption]
    Definition Classes
    OptionInstances
  33. implicit def optionMaxOrder[A](implicit arg0: Order[A]): Order[MaxOption[A]]
    Definition Classes
    OptionInstances
  34. implicit def optionMaxShow[A](implicit arg0: Show[A]): Show[MaxOption[A]]
    Definition Classes
    OptionInstances
  35. implicit def optionMin[A](implicit o: Order[A]): Monoid[MinOption[A]] with Band[MinOption[A]]
    Definition Classes
    OptionInstances
  36. implicit def optionMinMonad: Monad[MinOption]
    Definition Classes
    OptionInstances
  37. implicit def optionMinOrder[A](implicit arg0: Order[A]): Order[MinOption[A]]
    Definition Classes
    OptionInstances
  38. implicit def optionMinShow[A](implicit arg0: Show[A]): Show[MinOption[A]]
    Definition Classes
    OptionInstances
  39. implicit def optionMonoid[A](implicit arg0: Semigroup[A]): Monoid[Option[A]]
    Definition Classes
    OptionInstances
  40. implicit def optionOrder[A](implicit A0: Order[A]): Order[Option[A]]

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

    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
  43. final def some[A](a: A): Option[A]

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

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

    Definition Classes
    OptionFunctions
  44. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  45. final def toFailure[A, B](oa: Option[A])(b: ⇒ B): Validation[A, B]
    Definition Classes
    OptionFunctions
  46. final def toFailureNel[A, B](oa: Option[A])(b: ⇒ B): ValidationNel[A, B]
    Definition Classes
    OptionFunctions
  47. final def toLeft[A, B](oa: Option[A])(b: ⇒ B): \/[A, B]
    Definition Classes
    OptionFunctions
  48. final def toMaybe[A](oa: Option[A]): Maybe[A]
    Definition Classes
    OptionFunctions
  49. final def toRight[A, E](oa: Option[A])(e: ⇒ E): \/[E, A]
    Definition Classes
    OptionFunctions
  50. def toString(): String
    Definition Classes
    AnyRef → Any
  51. final def toSuccess[A, E](oa: Option[A])(e: ⇒ E): Validation[E, A]
    Definition Classes
    OptionFunctions
  52. final def toSuccessNel[A, E](oa: Option[A])(e: ⇒ E): ValidationNel[E, A]
    Definition Classes
    OptionFunctions
  53. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  54. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  55. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  56. object optionSyntax extends ToOptionOps with ToOptionIdOps

Inherited from OptionFunctions

Inherited from OptionInstances

Inherited from OptionInstances0

Inherited from AnyRef

Inherited from Any

Ungrouped