scala.util.Either.LeftBias.withEmptyToken

Throwing

Related Docs: object Throwing | package withEmptyToken

final class Throwing extends Generic[Nothing]

A typeclass instance which implements the operations of a left-biased Either that signals empty by throwing some Throwable as specified in a by-name parameter.

Typical use

val LeftBias = Either.LeftBias.withEmptyToken.Throwing( new NoValueAvailableException );
import LeftBias._

For more, please see LeftBias.

Source
Either.scala
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Value Members

  1. final def !=(arg0: Any): Boolean

    Test two objects for inequality.

    Test two objects for inequality.

    returns

    true if !(this == that), false otherwise.

    Definition Classes
    AnyRef → Any
  2. final def ##(): Int

    Equivalent to x.hashCode except for boxed numeric types and null.

    Equivalent to x.hashCode except for boxed numeric types and null. For numerics, it returns a hash value which is consistent with value equality: if two value type instances compare as true, then ## will produce the same hash value for each of them. For null returns a hashcode where null.hashCode throws a NullPointerException.

    returns

    a hash value consistent with ==

    Definition Classes
    AnyRef → Any
  3. def +(other: String): String

    Implicit information
    This member is added by an implicit conversion from Throwing to any2stringadd[Throwing] performed by method any2stringadd in scala.Predef.
    Definition Classes
    any2stringadd
  4. def ->[B](y: B): (Throwing, B)

    Implicit information
    This member is added by an implicit conversion from Throwing to ArrowAssoc[Throwing] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc
    Annotations
    @inline()
  5. final def ==(arg0: Any): Boolean

    The expression x == that is equivalent to if (x eq null) that eq null else x.equals(that).

    The expression x == that is equivalent to if (x eq null) that eq null else x.equals(that).

    arg0

    the object to compare against this object for equality.

    returns

    true if the receiver object is equivalent to the argument; false otherwise.

    Definition Classes
    AnyRef → Any
  6. final def asInstanceOf[T0]: T0

    Cast the receiver object to be of type T0.

    Cast the receiver object to be of type T0.

    Note that the success of a cast at runtime is modulo Scala's erasure semantics. Therefore the expression 1.asInstanceOf[String] will throw a ClassCastException at runtime, while the expression List(1).asInstanceOf[List[String]] will not. In the latter example, because the type argument is erased as part of compilation it is not possible to check whether the contents of the list are of the requested type.

    returns

    the receiver object.

    Definition Classes
    Any
    Exceptions thrown

    ClassCastException if the receiver object is not an instance of the erasure of type T0.

  7. def clone(): AnyRef

    Create a copy of the receiver object.

    Create a copy of the receiver object.

    The default implementation of the clone method is platform dependent.

    returns

    a copy of the receiver object.

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
    Note

    not specified by SLS as a member of AnyRef

  8. def conformsToBias[A, B](target: Either[A, B]): Boolean

    Definition Classes
    Bias
  9. def empty: Nothing

    Definition Classes
    ThrowingBias
  10. def ensuring(cond: (Throwing) ⇒ Boolean, msg: ⇒ Any): Throwing

    Implicit information
    This member is added by an implicit conversion from Throwing to Ensuring[Throwing] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  11. def ensuring(cond: (Throwing) ⇒ Boolean): Throwing

    Implicit information
    This member is added by an implicit conversion from Throwing to Ensuring[Throwing] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  12. def ensuring(cond: Boolean, msg: ⇒ Any): Throwing

    Implicit information
    This member is added by an implicit conversion from Throwing to Ensuring[Throwing] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  13. def ensuring(cond: Boolean): Throwing

    Implicit information
    This member is added by an implicit conversion from Throwing to Ensuring[Throwing] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  14. final def eq(arg0: AnyRef): Boolean

    Tests whether the argument (arg0) is a reference to the receiver object (this).

    Tests whether the argument (arg0) is a reference to the receiver object (this).

    The eq method implements an equivalence relation on non-null instances of AnyRef, and has three additional properties:

    • It is consistent: for any non-null instances x and y of type AnyRef, multiple invocations of x.eq(y) consistently returns true or consistently returns false.
    • For any non-null instance x of type AnyRef, x.eq(null) and null.eq(x) returns false.
    • null.eq(null) returns true.

    When overriding the equals or hashCode methods, it is important to ensure that their behavior is consistent with reference equality. Therefore, if two objects are references to each other (o1 eq o2), they should be equal to each other (o1 == o2) and they should hash to the same value (o1.hashCode == o2.hashCode).

    returns

    true if the argument is a reference to the receiver object; false otherwise.

    Definition Classes
    AnyRef
  15. def equals(arg0: Any): Boolean

    The equality method for reference types.

    The equality method for reference types. Default implementation delegates to eq.

    See also equals in scala.Any.

    returns

    true if the receiver object is equivalent to the argument; false otherwise.

    Definition Classes
    AnyRef → Any
  16. def exists[A, B >: Nothing](target: Either[A, B])(f: (A) ⇒ Boolean): Boolean

    Definition Classes
    Generic
  17. def finalize(): Unit

    Called by the garbage collector on the receiver object when there are no more references to the object.

    Called by the garbage collector on the receiver object when there are no more references to the object.

    The details of when and if the finalize method is invoked, as well as the interaction between finalize and non-local returns and exceptions, are all platform dependent.

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
    Note

    not specified by SLS as a member of AnyRef

  18. def flatMap[A, B >: Nothing, BB >: B, Z](target: Either[A, B])(f: (A) ⇒ Either[Z, BB]): Either[Z, BB]

    Definition Classes
    Generic
  19. def forall[A, B >: Nothing](target: Either[A, B])(f: (A) ⇒ Boolean): Boolean

    Definition Classes
    Generic
  20. def foreach[A, B >: Nothing, U](target: Either[A, B])(f: (A) ⇒ U): Any

    Definition Classes
    Generic
  21. def formatted(fmtstr: String): String

    Returns string formatted according to given format string.

    Returns string formatted according to given format string. Format strings are as for String.format (@see java.lang.String.format).

    Implicit information
    This member is added by an implicit conversion from Throwing to StringFormat[Throwing] performed by method StringFormat in scala.Predef.
    Definition Classes
    StringFormat
    Annotations
    @inline()
  22. def get[A, B >: Nothing](target: Either[A, B]): A

    Definition Classes
    Generic
  23. final def getClass(): Class[_]

    A representation that corresponds to the dynamic class of the receiver object.

    A representation that corresponds to the dynamic class of the receiver object.

    The nature of the representation is platform dependent.

    returns

    a representation that corresponds to the dynamic class of the receiver object.

    Definition Classes
    AnyRef → Any
    Note

    not specified by SLS as a member of AnyRef

  24. def getOrElse[A, AA >: A, B >: Nothing](target: Either[A, B])(or: ⇒ AA): AA

    Definition Classes
    Generic
  25. def hashCode(): Int

    The hashCode method for reference types.

    The hashCode method for reference types. See hashCode in scala.Any.

    returns

    the hash code value for this object.

    Definition Classes
    AnyRef → Any
  26. def isEmpty[A, B](target: Either[A, B]): Boolean

    Definition Classes
    ThrowingGeneric
  27. final def isInstanceOf[T0]: Boolean

    Test whether the dynamic type of the receiver object is T0.

    Test whether the dynamic type of the receiver object is T0.

    Note that the result of the test is modulo Scala's erasure semantics. Therefore the expression 1.isInstanceOf[String] will return false, while the expression List(1).isInstanceOf[List[String]] will return true. In the latter example, because the type argument is erased as part of compilation it is not possible to check whether the contents of the list are of the specified type.

    returns

    true if the receiver object is an instance of erasure of type T0; false otherwise.

    Definition Classes
    Any
  28. def isLeftBias: Boolean

    Definition Classes
    GenericBias
  29. def isRightBias: Boolean

    Definition Classes
    Bias
  30. def map[A, B >: Nothing, Z](target: Either[A, B])(f: (A) ⇒ Z): Either[Z, B]

    Definition Classes
    Generic
  31. final def ne(arg0: AnyRef): Boolean

    Equivalent to !(this eq that).

    Equivalent to !(this eq that).

    returns

    true if the argument is not a reference to the receiver object; false otherwise.

    Definition Classes
    AnyRef
  32. final def notify(): Unit

    Wakes up a single thread that is waiting on the receiver object's monitor.

    Wakes up a single thread that is waiting on the receiver object's monitor.

    Definition Classes
    AnyRef
    Note

    not specified by SLS as a member of AnyRef

  33. final def notifyAll(): Unit

    Wakes up all threads that are waiting on the receiver object's monitor.

    Wakes up all threads that are waiting on the receiver object's monitor.

    Definition Classes
    AnyRef
    Note

    not specified by SLS as a member of AnyRef

  34. def replaceIfEmpty[A, B >: Nothing, BB >: B](target: Either[A, B])(replacement: ⇒ BB): Either[A, BB]

    Definition Classes
    Generic
  35. def rightEmpty: Nothing

    Attributes
    protected
    Definition Classes
    ThrowingGeneric
  36. final def synchronized[T0](arg0: ⇒ T0): T0

    Definition Classes
    AnyRef
  37. implicit def toOps[A, B >: Nothing](target: Either[A, B]): Ops[A, B]

    Definition Classes
    Generic
  38. def toOption[A, B >: Nothing](target: Either[A, B]): Option[A]

    Definition Classes
    Generic
  39. def toSeq[A, B >: Nothing](target: Either[A, B]): collection.Seq[A]

    Definition Classes
    Generic
  40. def toString(): String

    Creates a String representation of this object.

    Creates a String representation of this object. The default representation is platform dependent. On the java platform it is the concatenation of the class name, "@", and the object's hashcode in hexadecimal.

    returns

    a String representation of the object.

    Definition Classes
    AnyRef → Any
  41. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  42. final def wait(arg0: Long, arg1: Int): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  43. final def wait(arg0: Long): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  44. def withFilter[A, B >: Nothing](target: Either[A, B])(p: (A) ⇒ Boolean): Either[A, B]

    Definition Classes
    Generic
  45. def xget[A, B >: Nothing](target: Either[A, B]): B

    Definition Classes
    Generic
  46. def xgetOrElse[A, B >: Nothing, BB >: B](target: Either[A, B])(or: ⇒ BB): BB

    Definition Classes
    Generic
  47. def xmap[A, B >: Nothing, Z](target: Either[A, B])(f: (B) ⇒ Z): Either[A, Z]

    Definition Classes
    Generic
  48. def [B](y: B): (Throwing, B)

    Implicit information
    This member is added by an implicit conversion from Throwing to ArrowAssoc[Throwing] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc

Inherited from Generic[Nothing]

Inherited from Bias[Nothing]

Inherited from AnyRef

Inherited from Any

Inherited by implicit conversion any2stringadd from Throwing to any2stringadd[Throwing]

Inherited by implicit conversion StringFormat from Throwing to StringFormat[Throwing]

Inherited by implicit conversion Ensuring from Throwing to Ensuring[Throwing]

Inherited by implicit conversion ArrowAssoc from Throwing to ArrowAssoc[Throwing]

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