Optional

Abstract Value Members

abstract def <--?(from: From): Extraction[T]

Attempt to manually deserialize from the message object.
Attempt to manually deserialize from the message object.

Definition Classes
Extractor

Concrete Value Members

final def !=(arg0: Any): Boolean

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

Definition Classes
AnyRef → Any
def <--(from: From): Option[T]

Extract the value from the target object.
Extract the value from the target object. Throws on failure, but that shouldn't be a problem as the pre-validation stage for declared parameters and bodies handles the failure before user code is entered.

Definition Classes
Optional → Retrieval
final def ==(arg0: Any): Boolean

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

Definition Classes
Any
def clone(): AnyRef

Attributes
protected[java.lang]
Definition Classes
AnyRef
Annotations
@throws( ... )
final def eq(arg0: AnyRef): Boolean

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

Definition Classes
AnyRef → Any
final def extract(from: From): Extraction[T]

Attempt to manually deserialize from the message object.
Attempt to manually deserialize from the message object. User-friendly synonym for <--?(), which is why the method is final.

Definition Classes
Extractor
def finalize(): Unit

Attributes
protected[java.lang]
Definition Classes
AnyRef
Annotations
@throws( classOf[java.lang.Throwable] )
final def from(from: From): Option[T]

Extract the value from the target object.
Extract the value from the target object. Throws on failure, but that shouldn't be a problem as the pre-validation stage for declared parameters and bodies handles the failure before user code is entered. User-friendly synonym for <--(), which is why the method is final.

Definition Classes
Retrieval
final def getClass(): Class[_]

Definition Classes
AnyRef → Any
def hashCode(): Int

Definition Classes
AnyRef → Any
final def isInstanceOf[T0]: Boolean

Definition Classes
Any
final def ne(arg0: AnyRef): Boolean

Definition Classes
AnyRef
final def notify(): Unit

Definition Classes
AnyRef
final def notifyAll(): Unit

Definition Classes
AnyRef
val required: Boolean
final def synchronized[T0](arg0: ⇒ T0): T0

Definition Classes
AnyRef
def toString(): String

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

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

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

Definition Classes
AnyRef
Annotations
@throws( ... )

Related Doc: package parameters

trait Optional[-From, T] extends Retrieval[From, Option[T]] with Extractor[From, T]

Abstract Value Members

abstract def <--?(from: From): Extraction[T]

Concrete Value Members

final def !=(arg0: Any): Boolean

final def ##(): Int

def <--(from: From): Option[T]

final def ==(arg0: Any): Boolean

final def asInstanceOf[T0]: T0

def clone(): AnyRef

final def eq(arg0: AnyRef): Boolean

def equals(arg0: Any): Boolean

final def extract(from: From): Extraction[T]

def finalize(): Unit

final def from(from: From): Option[T]

final def getClass(): Class[_]

def hashCode(): Int

final def isInstanceOf[T0]: Boolean

final def ne(arg0: AnyRef): Boolean

final def notify(): Unit

final def notifyAll(): Unit

val required: Boolean

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

def toString(): String

final def wait(): Unit

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

final def wait(arg0: Long): Unit

Inherited from Extractor[From, T]

Inherited from Retrieval[From, Option[T]]

Inherited from AnyRef

Inherited from Any

Ungrouped