Right

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. val b: B

   

6. def clone(): AnyRef

   

   Attributes

   protected[java.lang]

   Definition Classes

   AnyRef

   Annotations

   @throws( ... )

7. final def eq(arg0: AnyRef): Boolean

   

   Definition Classes

   AnyRef

8. def finalize(): Unit

   

   Attributes

   protected[java.lang]

   Definition Classes

   AnyRef

   Annotations

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

9. def fold[X](fa: (A) ⇒ X, fb: (B) ⇒ X): X

   

   Applies fa if this is a Left or fb if this is a Right.

   Applies fa if this is a Left or fb if this is a Right.

   fa

   the function to apply if this is a Left

   fb

   the function to apply if this is a Right

   returns

   the results of applying the function

   Definition Classes

   Either

   Example:

   1. val result: Either[Exception, Value] = possiblyFailingOperation()
      log(result.fold(
        ex => "Operation failed with " + ex,
        v => "Operation produced value: " + v
      ))

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

    

    Definition Classes

    AnyRef → Any

11. final def isInstanceOf[T0]: Boolean

    

    Definition Classes

    Any

12. def isLeft: Boolean

    

    Returns true if this is a Left, false otherwise.

    Returns true if this is a Left, false otherwise.

    Left("tulip").isLeft // true
    Right("venus fly-trap").isLeft // false

    Definition Classes

    Right → Either

13. def isRight: Boolean

    

    Returns true if this is a Right, false otherwise.

    Returns true if this is a Right, false otherwise.

    Left("tulip").isRight // false
    Right("venus fly-trap").isRight // true

    Definition Classes

    Right → Either

14. def joinLeft[A1 >: A, B1 >: B, C](implicit ev: <:<[A1, Either[C, B1]]): Either[C, B1]

    

    Joins an Either through Left.

    Joins an Either through Left.

    This method requires that the left side of this Either is itself an Either type. That is, this must be some type like:

    Either[Either[C, B], B]

    (which respects the type parameter bounds, shown below.)

    If this instance is a Left[Either[C, B]] then the contained Either[C, B] will be returned, otherwise this value will be returned unmodified.

    Left[Either[Int, String], String](Right("flower")).joinLeft // Result: Right("flower")
    Left[Either[Int, String], String](Left(12)).joinLeft // Result: Left(12)
    Right[Either[Int, String], String]("daisy").joinLeft // Result: Right("daisy")

    This method, and joinRight, are analogous to Option#flatten

    Definition Classes

    Either

15. def joinRight[A1 >: A, B1 >: B, C](implicit ev: <:<[B1, Either[A1, C]]): Either[A1, C]

    

    Joins an Either through Right.

    Joins an Either through Right.

    This method requires that the right side of this Either is itself an Either type. That is, this must be some type like:

    Either[A, Either[A, C]]

    (which respects the type parameter bounds, shown below.)

    If this instance is a Right[Either[A, C]] then the contained Either[A, C] will be returned, otherwise this value will be returned unmodified.

    Definition Classes

    Either

    Example:

    1. Right[String, Either[String, Int]](Right(12)).joinRight // Result: Right(12)
       Right[String, Either[String, Int]](Left("flower")).joinRight // Result: Left("flower")
       Left[String, Either[String, Int]]("flower").joinRight // Result: Left("flower")

       This method, and joinLeft, are analogous to Option#flatten

16. def left: LeftProjection[A, B]

    

    Projects this Either as a Left.

    Projects this Either as a Left.

    Definition Classes

    Either

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

    

    Definition Classes

    AnyRef

18. final def notify(): Unit

    

    Definition Classes

    AnyRef

19. final def notifyAll(): Unit

    

    Definition Classes

    AnyRef

20. def right: RightProjection[A, B]

    

    Projects this Either as a Right.

    Projects this Either as a Right.

    Definition Classes

    Either

21. def swap: Product with Serializable with Either[B, A]

    

    If this is a Left, then return the left value in Right or vice versa.

    If this is a Left, then return the left value in Right or vice versa.

    Definition Classes

    Either

    Example:

    1. val l: Either[String, Int] = Left("left")
       val r: Either[Int, String] = l.swap // Result: Right("left")

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

    

    Definition Classes

    AnyRef

23. final def wait(): Unit

    

    Definition Classes

    AnyRef

    Annotations

    @throws( ... )

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

    

    Definition Classes

    AnyRef

    Annotations

    @throws( ... )

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

    

    Definition Classes

    AnyRef

    Annotations

    @throws( ... )