Option

Companion object Option

sealed abstract class Option[A] extends Iterable[A]

This class represents optional values. Instances of Option are either instances of case class Some or it is case object None.

Source: JavaAPI.scala

Linear Supertypes

Iterable[A], AnyRef, Any

Known Subclasses

Some

Type Hierarchy

Ordering

Alphabetic
By Inheritance

Inherited

Option
Iterable
AnyRef
Any

Implicitly

by java2ScalaOption
by any2stringadd
by StringFormat
by Ensuring
by ArrowAssoc

Hide All
Show All

Visibility

Public
Protected

Abstract Value Members

abstract def asScala: scala.Option[A]
abstract def get: A
abstract def getOrElse[B >: A](defaultValue: B): B
Returns a if this is some(a) or defaultValue if this is none.
abstract def isEmpty: Boolean

Concrete Value Members

final def !=(arg0: Any): Boolean
Definition Classes
AnyRef → Any
final def ##: Int
Definition Classes
AnyRef → Any
def +(other: String): String
Implicit
This member is added by an implicit conversion from Option[A] toany2stringadd[Option[A]] performed by method any2stringadd in scala.Predef.
Definition Classes
any2stringadd
def ->[B](y: B): (Option[A], B)
Implicit
This member is added by an implicit conversion from Option[A] toArrowAssoc[Option[A]] performed by method ArrowAssoc in scala.Predef.
Definition Classes
ArrowAssoc
Annotations
@inline()
final def ==(arg0: Any): Boolean
Definition Classes
AnyRef → Any
final def asInstanceOf[T0]: T0
Definition Classes
Any
def canEqual(that: Any): Boolean
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Equals
def clone(): AnyRef
Attributes
protected[lang]
Definition Classes
AnyRef
Annotations
@throws(classOf[java.lang.CloneNotSupportedException]) @HotSpotIntrinsicCandidate() @native()
final def collect[B](pf: PartialFunction[A, B]): scala.Option[B]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def contains[A1 >: A](elem: A1): Boolean
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
def ensuring(cond: (Option[A]) => Boolean, msg: => Any): Option[A]
Implicit
This member is added by an implicit conversion from Option[A] toEnsuring[Option[A]] performed by method Ensuring in scala.Predef.
Definition Classes
Ensuring
def ensuring(cond: (Option[A]) => Boolean): Option[A]
Implicit
This member is added by an implicit conversion from Option[A] toEnsuring[Option[A]] performed by method Ensuring in scala.Predef.
Definition Classes
Ensuring
def ensuring(cond: Boolean, msg: => Any): Option[A]
Implicit
This member is added by an implicit conversion from Option[A] toEnsuring[Option[A]] performed by method Ensuring in scala.Predef.
Definition Classes
Ensuring
def ensuring(cond: Boolean): Option[A]
Implicit
This member is added by an implicit conversion from Option[A] toEnsuring[Option[A]] performed by method Ensuring in scala.Predef.
Definition Classes
Ensuring
final def eq(arg0: AnyRef): Boolean
Definition Classes
AnyRef
def equals(arg0: AnyRef): Boolean
Definition Classes
AnyRef → Any
final def exists(p: (A) => Boolean): Boolean
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def filter(p: (A) => Boolean): scala.Option[A]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def filterNot(p: (A) => Boolean): scala.Option[A]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def flatMap[B](f: (A) => scala.Option[B]): scala.Option[B]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
def flatten[B](implicit ev: <:<[A, scala.Option[B]]): scala.Option[B]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
final def fold[B](ifEmpty: => B)(f: (A) => B): B
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
def forEach(arg0: Consumer[_ >: A <: AnyRef]): Unit
Definition Classes
Iterable
final def forall(p: (A) => Boolean): Boolean
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def foreach[U](f: (A) => U): Unit
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def getClass(): Class[_ <: AnyRef]
Definition Classes
AnyRef → Any
Annotations
@HotSpotIntrinsicCandidate() @native()
def hashCode(): Int
Definition Classes
AnyRef → Any
Annotations
@HotSpotIntrinsicCandidate() @native()
def isDefined: Boolean
final def isInstanceOf[T0]: Boolean
Definition Classes
Any
def iterator(): Iterator[A]
Definition Classes
Option → Iterable
final def knownSize: Int
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option → IterableOnce
final def map[B](f: (A) => B): scala.Option[B]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def ne(arg0: AnyRef): Boolean
Definition Classes
AnyRef
final def nonEmpty: Boolean
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
final def notify(): Unit
Definition Classes
AnyRef
Annotations
@HotSpotIntrinsicCandidate() @native()
final def notifyAll(): Unit
Definition Classes
AnyRef
Annotations
@HotSpotIntrinsicCandidate() @native()
final def orElse[B >: A](alternative: => scala.Option[B]): scala.Option[B]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def orNull[A1 >: A](implicit ev: <:<[Null, A1]): A1
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
def productArity: Int
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Product
def productElement(n: Int): Any
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Product
def productElementName(n: Int): String
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Product
def productElementNames: Iterator[String]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Product
def productIterator: Iterator[Any]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Product
def productPrefix: String
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Product
def spliterator(): Spliterator[A]
Definition Classes
Iterable
def stepper[S <: Stepper[_]](implicit shape: StepperShape[A, S]): S
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
IterableOnce
final def synchronized[T0](arg0: => T0): T0
Definition Classes
AnyRef
final def toLeft[X](right: => X): Either[A, X]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
def toList: List[A]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
final def toRight[X](left: => X): Either[X, A]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
def toString(): String
Definition Classes
AnyRef → Any
final def unzip[A1, A2](implicit asPair: <:<[A, (A1, A2)]): (scala.Option[A1], scala.Option[A2])
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
final def unzip3[A1, A2, A3](implicit asTriple: <:<[A, (A1, A2, A3)]): (scala.Option[A1], scala.Option[A2], scala.Option[A3])
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
final def wait(arg0: Long, arg1: Int): Unit
Definition Classes
AnyRef
Annotations
@throws(classOf[java.lang.InterruptedException])
final def wait(arg0: Long): Unit
Definition Classes
AnyRef
Annotations
@throws(classOf[java.lang.InterruptedException]) @native()
final def wait(): Unit
Definition Classes
AnyRef
Annotations
@throws(classOf[java.lang.InterruptedException])
final def withFilter(p: (A) => Boolean): WithFilter
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def zip[A1 >: A, B](that: scala.Option[B]): scala.Option[(A1, B)]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option

Shadowed Implicit Value Members

def get: A
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Shadowing
This implicitly inherited member is shadowed by one or more members in this class.
To access this member you can use a type ascription:
(option: scala.Option[A]).get
Definition Classes
Option
final def getOrElse[B >: A](default: => B): B
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Shadowing
This implicitly inherited member is shadowed by one or more members in this class.
To access this member you can use a type ascription:
(option: scala.Option[A]).getOrElse(default)
Definition Classes
Option
Annotations
@inline()
final def isDefined: Boolean
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Shadowing
This implicitly inherited member is shadowed by one or more members in this class.
To access this member you can use a type ascription:
(option: scala.Option[A]).isDefined
Definition Classes
Option
final def isEmpty: Boolean
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Shadowing
This implicitly inherited member is shadowed by one or more members in this class.
To access this member you can use a type ascription:
(option: scala.Option[A]).isEmpty
Definition Classes
Option
def iterator: Iterator[A]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Shadowing
This implicitly inherited member is shadowed by one or more members in this class.
To access this member you can use a type ascription:
(option: scala.Option[A]).iterator
Definition Classes
Option → IterableOnce

Deprecated Value Members

def finalize(): Unit
Attributes
protected[lang]
Definition Classes
AnyRef
Annotations
@throws(classOf[java.lang.Throwable]) @Deprecated
Deprecated
(Since version 9)
def formatted(fmtstr: String): String
Implicit
This member is added by an implicit conversion from Option[A] toStringFormat[Option[A]] performed by method StringFormat in scala.Predef.
Definition Classes
StringFormat
Annotations
@deprecated @inline()
Deprecated
(Since version 2.12.16) Use formatString.format(value) instead of value.formatted(formatString), or use the f"" string interpolator. In Java 15 and later, formatted resolves to the new method in String which has reversed parameters.
def →[B](y: B): (Option[A], B)
Implicit
This member is added by an implicit conversion from Option[A] toArrowAssoc[Option[A]] performed by method ArrowAssoc in scala.Predef.
Definition Classes
ArrowAssoc
Annotations
@deprecated
Deprecated
(Since version 2.13.0) Use -> instead. If you still wish to display it as one character, consider using a font with programming ligatures such as Fira Code.

Inherited from Iterable[A]

Value Members

def forEach(arg0: Consumer[_ >: A <: AnyRef]): Unit
Definition Classes
Iterable
def spliterator(): Spliterator[A]
Definition Classes
Iterable

Inherited from AnyRef

Value Members

final def !=(arg0: Any): Boolean
Definition Classes
AnyRef → Any
final def ##: Int
Definition Classes
AnyRef → Any
final def ==(arg0: Any): Boolean
Definition Classes
AnyRef → Any
def clone(): AnyRef
Attributes
protected[lang]
Definition Classes
AnyRef
Annotations
@throws(classOf[java.lang.CloneNotSupportedException]) @HotSpotIntrinsicCandidate() @native()
final def eq(arg0: AnyRef): Boolean
Definition Classes
AnyRef
def equals(arg0: AnyRef): Boolean
Definition Classes
AnyRef → Any
final def getClass(): Class[_ <: AnyRef]
Definition Classes
AnyRef → Any
Annotations
@HotSpotIntrinsicCandidate() @native()
def hashCode(): Int
Definition Classes
AnyRef → Any
Annotations
@HotSpotIntrinsicCandidate() @native()
final def ne(arg0: AnyRef): Boolean
Definition Classes
AnyRef
final def notify(): Unit
Definition Classes
AnyRef
Annotations
@HotSpotIntrinsicCandidate() @native()
final def notifyAll(): Unit
Definition Classes
AnyRef
Annotations
@HotSpotIntrinsicCandidate() @native()
final def synchronized[T0](arg0: => T0): T0
Definition Classes
AnyRef
def toString(): String
Definition Classes
AnyRef → Any
final def wait(arg0: Long, arg1: Int): Unit
Definition Classes
AnyRef
Annotations
@throws(classOf[java.lang.InterruptedException])
final def wait(arg0: Long): Unit
Definition Classes
AnyRef
Annotations
@throws(classOf[java.lang.InterruptedException]) @native()
final def wait(): Unit
Definition Classes
AnyRef
Annotations
@throws(classOf[java.lang.InterruptedException])
def finalize(): Unit
Attributes
protected[lang]
Definition Classes
AnyRef
Annotations
@throws(classOf[java.lang.Throwable]) @Deprecated
Deprecated
(Since version 9)

Inherited from Any

Value Members

final def asInstanceOf[T0]: T0
Definition Classes
Any
final def isInstanceOf[T0]: Boolean
Definition Classes
Any

Inherited by implicit conversion java2ScalaOption fromOption[A] to scala.Option[A]

Value Members

def canEqual(that: Any): Boolean
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Equals
final def collect[B](pf: PartialFunction[A, B]): scala.Option[B]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def contains[A1 >: A](elem: A1): Boolean
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
final def exists(p: (A) => Boolean): Boolean
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def filter(p: (A) => Boolean): scala.Option[A]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def filterNot(p: (A) => Boolean): scala.Option[A]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def flatMap[B](f: (A) => scala.Option[B]): scala.Option[B]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
def flatten[B](implicit ev: <:<[A, scala.Option[B]]): scala.Option[B]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
final def fold[B](ifEmpty: => B)(f: (A) => B): B
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def forall(p: (A) => Boolean): Boolean
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def foreach[U](f: (A) => U): Unit
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def knownSize: Int
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option → IterableOnce
final def map[B](f: (A) => B): scala.Option[B]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def nonEmpty: Boolean
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
final def orElse[B >: A](alternative: => scala.Option[B]): scala.Option[B]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def orNull[A1 >: A](implicit ev: <:<[Null, A1]): A1
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
def productArity: Int
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Product
def productElement(n: Int): Any
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Product
def productElementName(n: Int): String
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Product
def productElementNames: Iterator[String]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Product
def productIterator: Iterator[Any]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Product
def productPrefix: String
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Product
def stepper[S <: Stepper[_]](implicit shape: StepperShape[A, S]): S
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
IterableOnce
final def toLeft[X](right: => X): Either[A, X]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
def toList: List[A]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
final def toRight[X](left: => X): Either[X, A]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def unzip[A1, A2](implicit asPair: <:<[A, (A1, A2)]): (scala.Option[A1], scala.Option[A2])
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
final def unzip3[A1, A2, A3](implicit asTriple: <:<[A, (A1, A2, A3)]): (scala.Option[A1], scala.Option[A2], scala.Option[A3])
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
final def withFilter(p: (A) => Boolean): WithFilter
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def zip[A1 >: A, B](that: scala.Option[B]): scala.Option[(A1, B)]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
def get: A
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Shadowing
This implicitly inherited member is shadowed by one or more members in this class.
To access this member you can use a type ascription:
(option: scala.Option[A]).get
Definition Classes
Option
final def getOrElse[B >: A](default: => B): B
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Shadowing
This implicitly inherited member is shadowed by one or more members in this class.
To access this member you can use a type ascription:
(option: scala.Option[A]).getOrElse(default)
Definition Classes
Option
Annotations
@inline()
final def isDefined: Boolean
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Shadowing
This implicitly inherited member is shadowed by one or more members in this class.
To access this member you can use a type ascription:
(option: scala.Option[A]).isDefined
Definition Classes
Option
final def isEmpty: Boolean
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Shadowing
This implicitly inherited member is shadowed by one or more members in this class.
To access this member you can use a type ascription:
(option: scala.Option[A]).isEmpty
Definition Classes
Option
def iterator: Iterator[A]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Shadowing
This implicitly inherited member is shadowed by one or more members in this class.
To access this member you can use a type ascription:
(option: scala.Option[A]).iterator
Definition Classes
Option → IterableOnce

Inherited by implicit conversion any2stringadd fromOption[A] to any2stringadd[Option[A]]

Value Members

def +(other: String): String
Implicit
This member is added by an implicit conversion from Option[A] toany2stringadd[Option[A]] performed by method any2stringadd in scala.Predef.
Definition Classes
any2stringadd

Inherited by implicit conversion StringFormat fromOption[A] to StringFormat[Option[A]]

Value Members

def formatted(fmtstr: String): String
Implicit
This member is added by an implicit conversion from Option[A] toStringFormat[Option[A]] performed by method StringFormat in scala.Predef.
Definition Classes
StringFormat
Annotations
@deprecated @inline()
Deprecated
(Since version 2.12.16) Use formatString.format(value) instead of value.formatted(formatString), or use the f"" string interpolator. In Java 15 and later, formatted resolves to the new method in String which has reversed parameters.

Inherited by implicit conversion Ensuring fromOption[A] to Ensuring[Option[A]]

Value Members

def ensuring(cond: (Option[A]) => Boolean, msg: => Any): Option[A]
Implicit
This member is added by an implicit conversion from Option[A] toEnsuring[Option[A]] performed by method Ensuring in scala.Predef.
Definition Classes
Ensuring
def ensuring(cond: (Option[A]) => Boolean): Option[A]
Implicit
This member is added by an implicit conversion from Option[A] toEnsuring[Option[A]] performed by method Ensuring in scala.Predef.
Definition Classes
Ensuring
def ensuring(cond: Boolean, msg: => Any): Option[A]
Implicit
This member is added by an implicit conversion from Option[A] toEnsuring[Option[A]] performed by method Ensuring in scala.Predef.
Definition Classes
Ensuring
def ensuring(cond: Boolean): Option[A]
Implicit
This member is added by an implicit conversion from Option[A] toEnsuring[Option[A]] performed by method Ensuring in scala.Predef.
Definition Classes
Ensuring

Inherited by implicit conversion ArrowAssoc fromOption[A] to ArrowAssoc[Option[A]]

Value Members

def ->[B](y: B): (Option[A], B)
Implicit
This member is added by an implicit conversion from Option[A] toArrowAssoc[Option[A]] performed by method ArrowAssoc in scala.Predef.
Definition Classes
ArrowAssoc
Annotations
@inline()
def →[B](y: B): (Option[A], B)
Implicit
This member is added by an implicit conversion from Option[A] toArrowAssoc[Option[A]] performed by method ArrowAssoc in scala.Predef.
Definition Classes
ArrowAssoc
Annotations
@deprecated
Deprecated
(Since version 2.13.0) Use -> instead. If you still wish to display it as one character, consider using a font with programming ligatures such as Fira Code.

Ungrouped

abstract def asScala: scala.Option[A]
abstract def get: A
abstract def getOrElse[B >: A](defaultValue: B): B
Returns a if this is some(a) or defaultValue if this is none.
abstract def isEmpty: Boolean
final def !=(arg0: Any): Boolean
Definition Classes
AnyRef → Any
final def ##: Int
Definition Classes
AnyRef → Any
def +(other: String): String
Implicit
This member is added by an implicit conversion from Option[A] toany2stringadd[Option[A]] performed by method any2stringadd in scala.Predef.
Definition Classes
any2stringadd
def ->[B](y: B): (Option[A], B)
Implicit
This member is added by an implicit conversion from Option[A] toArrowAssoc[Option[A]] performed by method ArrowAssoc in scala.Predef.
Definition Classes
ArrowAssoc
Annotations
@inline()
final def ==(arg0: Any): Boolean
Definition Classes
AnyRef → Any
final def asInstanceOf[T0]: T0
Definition Classes
Any
def canEqual(that: Any): Boolean
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Equals
def clone(): AnyRef
Attributes
protected[lang]
Definition Classes
AnyRef
Annotations
@throws(classOf[java.lang.CloneNotSupportedException]) @HotSpotIntrinsicCandidate() @native()
final def collect[B](pf: PartialFunction[A, B]): scala.Option[B]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def contains[A1 >: A](elem: A1): Boolean
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
def ensuring(cond: (Option[A]) => Boolean, msg: => Any): Option[A]
Implicit
This member is added by an implicit conversion from Option[A] toEnsuring[Option[A]] performed by method Ensuring in scala.Predef.
Definition Classes
Ensuring
def ensuring(cond: (Option[A]) => Boolean): Option[A]
Implicit
This member is added by an implicit conversion from Option[A] toEnsuring[Option[A]] performed by method Ensuring in scala.Predef.
Definition Classes
Ensuring
def ensuring(cond: Boolean, msg: => Any): Option[A]
Implicit
This member is added by an implicit conversion from Option[A] toEnsuring[Option[A]] performed by method Ensuring in scala.Predef.
Definition Classes
Ensuring
def ensuring(cond: Boolean): Option[A]
Implicit
This member is added by an implicit conversion from Option[A] toEnsuring[Option[A]] performed by method Ensuring in scala.Predef.
Definition Classes
Ensuring
final def eq(arg0: AnyRef): Boolean
Definition Classes
AnyRef
def equals(arg0: AnyRef): Boolean
Definition Classes
AnyRef → Any
final def exists(p: (A) => Boolean): Boolean
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def filter(p: (A) => Boolean): scala.Option[A]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def filterNot(p: (A) => Boolean): scala.Option[A]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def flatMap[B](f: (A) => scala.Option[B]): scala.Option[B]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
def flatten[B](implicit ev: <:<[A, scala.Option[B]]): scala.Option[B]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
final def fold[B](ifEmpty: => B)(f: (A) => B): B
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
def forEach(arg0: Consumer[_ >: A <: AnyRef]): Unit
Definition Classes
Iterable
final def forall(p: (A) => Boolean): Boolean
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def foreach[U](f: (A) => U): Unit
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def getClass(): Class[_ <: AnyRef]
Definition Classes
AnyRef → Any
Annotations
@HotSpotIntrinsicCandidate() @native()
def hashCode(): Int
Definition Classes
AnyRef → Any
Annotations
@HotSpotIntrinsicCandidate() @native()
def isDefined: Boolean
final def isInstanceOf[T0]: Boolean
Definition Classes
Any
def iterator(): Iterator[A]
Definition Classes
Option → Iterable
final def knownSize: Int
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option → IterableOnce
final def map[B](f: (A) => B): scala.Option[B]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def ne(arg0: AnyRef): Boolean
Definition Classes
AnyRef
final def nonEmpty: Boolean
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
final def notify(): Unit
Definition Classes
AnyRef
Annotations
@HotSpotIntrinsicCandidate() @native()
final def notifyAll(): Unit
Definition Classes
AnyRef
Annotations
@HotSpotIntrinsicCandidate() @native()
final def orElse[B >: A](alternative: => scala.Option[B]): scala.Option[B]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def orNull[A1 >: A](implicit ev: <:<[Null, A1]): A1
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
def productArity: Int
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Product
def productElement(n: Int): Any
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Product
def productElementName(n: Int): String
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Product
def productElementNames: Iterator[String]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Product
def productIterator: Iterator[Any]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Product
def productPrefix: String
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Product
def spliterator(): Spliterator[A]
Definition Classes
Iterable
def stepper[S <: Stepper[_]](implicit shape: StepperShape[A, S]): S
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
IterableOnce
final def synchronized[T0](arg0: => T0): T0
Definition Classes
AnyRef
final def toLeft[X](right: => X): Either[A, X]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
def toList: List[A]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
final def toRight[X](left: => X): Either[X, A]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
def toString(): String
Definition Classes
AnyRef → Any
final def unzip[A1, A2](implicit asPair: <:<[A, (A1, A2)]): (scala.Option[A1], scala.Option[A2])
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
final def unzip3[A1, A2, A3](implicit asTriple: <:<[A, (A1, A2, A3)]): (scala.Option[A1], scala.Option[A2], scala.Option[A3])
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
final def wait(arg0: Long, arg1: Int): Unit
Definition Classes
AnyRef
Annotations
@throws(classOf[java.lang.InterruptedException])
final def wait(arg0: Long): Unit
Definition Classes
AnyRef
Annotations
@throws(classOf[java.lang.InterruptedException]) @native()
final def wait(): Unit
Definition Classes
AnyRef
Annotations
@throws(classOf[java.lang.InterruptedException])
final def withFilter(p: (A) => Boolean): WithFilter
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
Annotations
@inline()
final def zip[A1 >: A, B](that: scala.Option[B]): scala.Option[(A1, B)]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Definition Classes
Option
def get: A
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Shadowing
This implicitly inherited member is shadowed by one or more members in this class.
To access this member you can use a type ascription:
(option: scala.Option[A]).get
Definition Classes
Option
final def getOrElse[B >: A](default: => B): B
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Shadowing
This implicitly inherited member is shadowed by one or more members in this class.
To access this member you can use a type ascription:
(option: scala.Option[A]).getOrElse(default)
Definition Classes
Option
Annotations
@inline()
final def isDefined: Boolean
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Shadowing
This implicitly inherited member is shadowed by one or more members in this class.
To access this member you can use a type ascription:
(option: scala.Option[A]).isDefined
Definition Classes
Option
final def isEmpty: Boolean
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Shadowing
This implicitly inherited member is shadowed by one or more members in this class.
To access this member you can use a type ascription:
(option: scala.Option[A]).isEmpty
Definition Classes
Option
def iterator: Iterator[A]
Implicit
This member is added by an implicit conversion from Option[A] toscala.Option[A] performed by method java2ScalaOption in akka.japi.Option.
Shadowing
This implicitly inherited member is shadowed by one or more members in this class.
To access this member you can use a type ascription:
(option: scala.Option[A]).iterator
Definition Classes
Option → IterableOnce
def finalize(): Unit
Attributes
protected[lang]
Definition Classes
AnyRef
Annotations
@throws(classOf[java.lang.Throwable]) @Deprecated
Deprecated
(Since version 9)
def formatted(fmtstr: String): String
Implicit
This member is added by an implicit conversion from Option[A] toStringFormat[Option[A]] performed by method StringFormat in scala.Predef.
Definition Classes
StringFormat
Annotations
@deprecated @inline()
Deprecated
(Since version 2.12.16) Use formatString.format(value) instead of value.formatted(formatString), or use the f"" string interpolator. In Java 15 and later, formatted resolves to the new method in String which has reversed parameters.
def →[B](y: B): (Option[A], B)
Implicit
This member is added by an implicit conversion from Option[A] toArrowAssoc[Option[A]] performed by method ArrowAssoc in scala.Predef.
Definition Classes
ArrowAssoc
Annotations
@deprecated
Deprecated
(Since version 2.13.0) Use -> instead. If you still wish to display it as one character, consider using a font with programming ligatures such as Fira Code.

Packages

Option

Companion object Option

sealed abstract class Option[A] extends Iterable[A]

Abstract Value Members

Concrete Value Members

Shadowed Implicit Value Members

Deprecated Value Members

Inherited from Iterable[A]

Value Members

Inherited from AnyRef

Value Members

Inherited from Any

Value Members

Inherited by implicit conversion java2ScalaOption fromOption[A] to scala.Option[A]

Value Members

Inherited by implicit conversion any2stringadd fromOption[A] to any2stringadd[Option[A]]

Value Members

Inherited by implicit conversion StringFormat fromOption[A] to StringFormat[Option[A]]

Value Members

Inherited by implicit conversion Ensuring fromOption[A] to Ensuring[Option[A]]

Value Members

Inherited by implicit conversion ArrowAssoc fromOption[A] to ArrowAssoc[Option[A]]

Value Members

Ungrouped

Option