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.  def clone(): AnyRef

   Attributes

   protected[java.lang]

   Definition Classes

   AnyRef

   Annotations

   @throws( ... )

6.  final def collect[B](pf: PartialFunction[A, B])(implicit action: Action): Option[B]

   Returns a scala.Some containing the result of applying pf to this scala.Option's contained value, if this option is nonempty and pf is defined for that value.

   Returns a scala.Some containing the result of applying pf to this scala.Option's contained value, if this option is nonempty and pf is defined for that value. Returns None otherwise.

   pf

   the partial function.

   returns

   the result of applying pf to this scala.Option's value (if possible), or None.

   Definition Classes

   OptVar

   Annotations

   @inline()

   Example:

   1. // Returns Some(HTTP) because the partial function covers the case.
      Some("http") collect {case "http" => "HTTP"}
      
      // Returns None because the partial function doesn't cover the case.
      Some("ftp") collect {case "http" => "HTTP"}
      
      // Returns None because None is passed to the collect method.
      None collect {case value => value}

7.  final def contains[A1 >: A](elem: A1)(implicit action: Action): Boolean

   Tests whether the option contains a given value as an element.

   Tests whether the option contains a given value as an element.

   elem

   the element to test.

   returns

   true if the option has an element that is equal (as determined by ==) to elem, false otherwise.

   Definition Classes

   OptVar

   Example:

   1. // Returns true because Some instance contains string "something" which equals "something".
      Some("something") contains "something"
      
      // Returns false because "something" != "anything".
      Some("something") contains "anything"
      
      // Returns false when method called on None.
      None contains "anything"

8.  final def eq(arg0: AnyRef): Boolean

   Definition Classes

   AnyRef

9.  def equals(arg0: Any): Boolean

   Definition Classes

   AnyRef → Any

10.  final def exists(p: (A) ⇒ Boolean)(implicit action: Action): Boolean

    Returns true if this option is nonempty and the predicate p returns true when applied to this scala.Option's value.

    Returns true if this option is nonempty and the predicate p returns true when applied to this scala.Option's value. Otherwise, returns false.

    p

    the predicate to test

    Definition Classes

    OptVar

    Annotations

    @inline()

11.  final def filter(p: (A) ⇒ Boolean)(implicit action: Action): Option[A]

    Returns this scala.Option if it is nonempty and applying the predicate p to this scala.Option's value returns true.

    Returns this scala.Option if it is nonempty and applying the predicate p to this scala.Option's value returns true. Otherwise, return None.

    p

    the predicate used for testing.

    Definition Classes

    OptVar

    Annotations

    @inline()

12.  final def filterNot(p: (A) ⇒ Boolean)(implicit action: Action): Option[A]

    Returns this scala.Option if it is nonempty and applying the predicate p to this scala.Option's value returns false.

    Returns this scala.Option if it is nonempty and applying the predicate p to this scala.Option's value returns false. Otherwise, return None.

    p

    the predicate used for testing.

    Definition Classes

    OptVar

    Annotations

    @inline()

13.  def finalize(): Unit

    Attributes

    protected[java.lang]

    Definition Classes

    AnyRef

    Annotations

    @throws( classOf[java.lang.Throwable] )

14.  final def flatMap[B](f: (A) ⇒ Option[B])(implicit action: Action): Option[B]

    Returns the result of applying f to this scala.Option's value if this scala.Option is nonempty.

    Returns the result of applying f to this scala.Option's value if this scala.Option is nonempty. Returns None if this scala.Option is empty. Slightly different from map in that f is expected to return an scala.Option (which could be None).

    f

    the function to apply

    Definition Classes

    OptVar

    Annotations

    @inline()

    See also

    foreach

    map

15.  def flatten[B](implicit ev: <:<[A, Option[B]], action: Action): Option[B]

    Definition Classes

    OptVar

16.  final def fold[B](ifEmpty: ⇒ B)(f: (A) ⇒ B)(implicit action: Action): B

    Returns the result of applying f to this scala.Option's value if the scala.Option is nonempty.

    Returns the result of applying f to this scala.Option's value if the scala.Option is nonempty. Otherwise, evaluates expression ifEmpty.

    ifEmpty

    the expression to evaluate if empty.

    f

    the function to apply if nonempty.

    Definition Classes

    OptVar

    Annotations

    @inline()

    Note

    This is equivalent to scala.Option map f getOrElse ifEmpty.

17.  final def forall(p: (A) ⇒ Boolean)(implicit action: Action): Boolean

    Returns true if this option is empty or the predicate p returns true when applied to this scala.Option's value.

    Returns true if this option is empty or the predicate p returns true when applied to this scala.Option's value.

    p

    the predicate to test

    Definition Classes

    OptVar

    Annotations

    @inline()

18.  final def foreach[U](f: (A) ⇒ U)(implicit action: Action): Unit

    Apply the given procedure f to the option's value, if it is nonempty.

    Apply the given procedure f to the option's value, if it is nonempty. Otherwise, do nothing.

    f

    the procedure to apply.

    Definition Classes

    OptVar

    Annotations

    @inline()

    See also

    flatMap

    map

19.  def get(implicit action: Action): A

    Definition Classes

    OptVar

20.  def getAll(implicit action: Action): Session

    Definition Classes

    SessionVar → OptVar

21.  final def getClass(): Class[_]

    Definition Classes

    AnyRef → Any

22.  final def getOrElse[B >: A](default: ⇒ B)(implicit action: Action): B

    Returns the option's value if the option is nonempty, otherwise return the result of evaluating default.

    Returns the option's value if the option is nonempty, otherwise return the result of evaluating default.

    default

    the default expression.

    Definition Classes

    OptVar

    Annotations

    @inline()

23.  def hashCode(): Int

    Definition Classes

    AnyRef → Any

24.  def isDefined(implicit action: Action): Boolean

    Returns true if the option is an instance of scala.Some, false otherwise.

    Returns true if the option is an instance of scala.Some, false otherwise.

    Definition Classes

    OptVar

25.  def isEmpty(implicit action: Action): Boolean

    Returns true if the option is None, false otherwise.

    Returns true if the option is None, false otherwise.

    Definition Classes

    OptVar

26.  final def isInstanceOf[T0]: Boolean

    Definition Classes

    Any

27.  def iterator(implicit action: Action): Iterator[A]

    Returns a singleton iterator returning the scala.Option's value if it is nonempty, or an empty iterator if the option is empty.

    Returns a singleton iterator returning the scala.Option's value if it is nonempty, or an empty iterator if the option is empty.

    Definition Classes

    OptVar

28.  val key: String

    Attributes

    protected[this]

    Definition Classes

    OptVar

29.  final def map[B](f: (A) ⇒ B)(implicit action: Action): Option[B]

    Returns a scala.Some containing the result of applying f to this scala.Option's value if this scala.Option is nonempty.

    Returns a scala.Some containing the result of applying f to this scala.Option's value if this scala.Option is nonempty. Otherwise return None.

    f

    the function to apply

    Definition Classes

    OptVar

    Annotations

    @inline()

    Note

    This is similar to flatMap except here, f does not need to wrap its result in an scala.Option.

    See also

    foreach

    flatMap

30.  final def ne(arg0: AnyRef): Boolean

    Definition Classes

    AnyRef

31.  final def nonEmpty(implicit action: Action): Boolean

    Returns false if the option is None, true otherwise.

    Returns false if the option is None, true otherwise.

    Definition Classes

    OptVar

    Note

    Implemented here to avoid the implicit conversion to Iterable.

32.  final def notify(): Unit

    Definition Classes

    AnyRef

33.  final def notifyAll(): Unit

    Definition Classes

    AnyRef

34.  final def orElse[B >: A](alternative: ⇒ Option[B])(implicit action: Action): Option[B]

    Returns this scala.Option if it is nonempty, otherwise return the result of evaluating alternative.

    Returns this scala.Option if it is nonempty, otherwise return the result of evaluating alternative.

    alternative

    the alternative expression.

    Definition Classes

    OptVar

    Annotations

    @inline()

35.  final def orNull[A1 >: A](implicit ev: <:<[Null, A1], action: Action): A1

    Returns the option's value if it is nonempty, or null if it is empty.

    Returns the option's value if it is nonempty, or null if it is empty. Although the use of null is discouraged, code written to use scala.Option must often interface with code that expects and returns nulls.

    Definition Classes

    OptVar

    Annotations

    @inline()

    Example:

    1. val initalText: Option[String] = getInitialText
       val textField = new JComponent(initalText.orNull,20)

36.  def remove()(implicit action: Action): Option[A]

    Definition Classes

    OptVar

37.  def set[B >: A](value: B)(implicit action: Action): Unit

    Definition Classes

    OptVar

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

    Definition Classes

    AnyRef

39.  final def toLeft[X](right: ⇒ X)(implicit action: Action): Either[A, X]

    Returns a scala.util.Right containing the given argument right if this is empty, or a scala.util.Left containing this scala.Option's value if this scala.Option is nonempty.

    Returns a scala.util.Right containing the given argument right if this is empty, or a scala.util.Left containing this scala.Option's value if this scala.Option is nonempty.

    right

    the expression to evaluate and return if this is empty

    Definition Classes

    OptVar

    Annotations

    @inline()

    See also

    toRight

40.  def toList(implicit action: Action): List[A]

    Returns a singleton list containing the scala.Option's value if it is nonempty, or the empty list if the scala.Option is empty.

    Returns a singleton list containing the scala.Option's value if it is nonempty, or the empty list if the scala.Option is empty.

    Definition Classes

    OptVar

41.  def toOption(implicit action: Action): Option[A]

    Definition Classes

    OptVar

42.  final def toRight[X](left: ⇒ X)(implicit action: Action): Either[X, A]

    Returns a scala.util.Left containing the given argument left if this scala.Option is empty, or a scala.util.Right containing this scala.Option's value if this is nonempty.

    Returns a scala.util.Left containing the given argument left if this scala.Option is empty, or a scala.util.Right containing this scala.Option's value if this is nonempty.

    left

    the expression to evaluate and return if this is empty

    Definition Classes

    OptVar

    Annotations

    @inline()

    See also

    toLeft

43.  def toString(): String

    Definition Classes

    AnyRef → Any

44.  final def wait(): Unit

    Definition Classes

    AnyRef

    Annotations

    @throws( ... )

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

    Definition Classes

    AnyRef

    Annotations

    @throws( ... )

46.  final def wait(arg0: Long): Unit

    Definition Classes

    AnyRef

    Annotations

    @throws( ... )

47.  final def withFilter(p: (A) ⇒ Boolean)(implicit action: Action): WithFilter

    Necessary to keep scala.Option from being implicitly converted to scala.collection.Iterable in for comprehensions.

    Necessary to keep scala.Option from being implicitly converted to scala.collection.Iterable in for comprehensions.

    Definition Classes

    OptVar

    Annotations

    @inline()