Packages

c

scalaz.syntax.std

OptionOps

final class OptionOps[A] extends AnyRef

Source
OptionOps.scala
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Instance Constructors

  1. new OptionOps(self: Option[A])

Type Members

  1. final class Conditional [X] extends AnyRef
  2. final class Fold [X] extends AnyRef

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. final def <\/[B](b: ⇒ B): \/[A, B]
  4. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  5. final def ?[X](s: ⇒ X): Conditional[X]

    Ternary operator.

    Ternary operator. Note that the arguments s and n are call-by-name.

    Example

    option ? "defined" | "undefined"
  6. final def \/>[E](e: ⇒ E): \/[E, A]
  7. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  8. final def cata[X](some: (A) ⇒ X, none: ⇒ X): X
  9. def clone(): AnyRef
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  10. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  11. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  12. final def err(message: ⇒ String): A

    Returns the item contained in the Option if it is defined, otherwise, raises an error with the provided message.

  13. def finalize(): Unit
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  14. final def first: @@[Option[A], First]
  15. final def foldLift[F[_], B](b: ⇒ B, k: (F[A]) ⇒ B)(implicit arg0: Applicative[F]): B
  16. final def foldLiftOpt[B](b: ⇒ B, k: (Option[A]) ⇒ B): B
  17. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
  18. final def getOrElseF[F[_]](fa: ⇒ F[A])(implicit arg0: Applicative[F]): F[A]
  19. def hashCode(): Int
    Definition Classes
    AnyRef → Any
  20. final def ifNone(n: ⇒ Unit): Unit

    Executes the provided side effect if the Option if it is undefined.

  21. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  22. final def last: @@[Option[A], Last]
  23. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  24. final def notify(): Unit
    Definition Classes
    AnyRef
  25. final def notifyAll(): Unit
    Definition Classes
    AnyRef
  26. final def orEmpty[M[_]](implicit arg0: Applicative[M], arg1: PlusEmpty[M]): M[A]
  27. final def orZero(implicit z: Monoid[A]): A
  28. final def some[X](s: (A) ⇒ X): Fold[X]

    Returns the provided function s applied to item contained in the Option if it is defined, otherwise, the provided value n.

    Returns the provided function s applied to item contained in the Option if it is defined, otherwise, the provided value n.

    This is a syntactic alternative to scalaz.syntax.std.OptionOps#cata

    Example:

    o.some(_ * 2).none(0)
  29. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  30. final def toFailure[B](b: ⇒ B): Validation[A, B]
  31. final def toFailureNel[B](b: ⇒ B): ValidationNel[A, B]
  32. final def toLeftDisjunction[B](b: ⇒ B): \/[A, B]
  33. final def toMaybe: Maybe[A]
  34. final def toRightDisjunction[E](e: ⇒ E): \/[E, A]
  35. def toString(): String
    Definition Classes
    AnyRef → Any
  36. final def toSuccess[E](e: ⇒ E): Validation[E, A]
  37. final def toSuccessNel[E](e: ⇒ E): ValidationNel[E, A]
  38. final def unary_~(implicit z: Monoid[A]): A

    Returns the item contained in the Option if it is defined, otherwise, the zero element for the type A

    Returns the item contained in the Option if it is defined, otherwise, the zero element for the type A

    For example:

    val o: Option[List[String]] = None
val a: List[String] = ~o // List()
  39. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  40. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  41. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  42. final def |(a: ⇒ A): A

    Returns the item contained in the Option if it is defined, otherwise, the provided argument.

Deprecated Value Members

  1. final def fold[X](some: (A) ⇒ X, none: ⇒ X): X
    Annotations
    @deprecated
    Deprecated

    (Since version 7.1) use option.cata or option.some(f).none(default)

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