Class scala.reflect.api.Trees.LabelDefExtractor

abstract class LabelDefExtractor extends AnyRef

An extractor class to create and pattern match with syntax LabelDef(name, params, rhs).

This AST node does not have direct correspondence to Scala code. It is used for tailcalls and like. For example, while/do are desugared to label defs as follows:

while (cond) body ==> LabelDef($L, List(), if (cond) { body; L$() } else ())
do body while (cond) ==> LabelDef($L, List(), body; if (cond) L$() else ())
Source
Trees.scala
Linear Supertypes
AnyRef, Any

Instance Constructors

new LabelDefExtractor()

Abstract Value Members

abstract def apply(name: Universe.TermName, params: List[Universe.Ident], rhs: Universe.Tree): Universe.LabelDef

abstract def unapply(labelDef: Universe.LabelDef): Option[(Universe.TermName, List[Universe.Ident], Universe.Tree)]

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 Universe.LabelDefExtractor toany2stringadd[Universe.LabelDefExtractor] performed by method any2stringadd in scala.Predef.
Definition Classes
any2stringadd

def ->[B](y: B): (Universe.LabelDefExtractor, B)

Implicit
This member is added by an implicit conversion from Universe.LabelDefExtractor toArrowAssoc[Universe.LabelDefExtractor] 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 clone(): AnyRef

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

def ensuring(cond: (Universe.LabelDefExtractor) => Boolean, msg: => Any): Universe.LabelDefExtractor

Implicit
This member is added by an implicit conversion from Universe.LabelDefExtractor toEnsuring[Universe.LabelDefExtractor] performed by method Ensuring in scala.Predef.
Definition Classes
Ensuring

def ensuring(cond: (Universe.LabelDefExtractor) => Boolean): Universe.LabelDefExtractor

Implicit
This member is added by an implicit conversion from Universe.LabelDefExtractor toEnsuring[Universe.LabelDefExtractor] performed by method Ensuring in scala.Predef.
Definition Classes
Ensuring

def ensuring(cond: Boolean, msg: => Any): Universe.LabelDefExtractor

Implicit
This member is added by an implicit conversion from Universe.LabelDefExtractor toEnsuring[Universe.LabelDefExtractor] performed by method Ensuring in scala.Predef.
Definition Classes
Ensuring

def ensuring(cond: Boolean): Universe.LabelDefExtractor

Implicit
This member is added by an implicit conversion from Universe.LabelDefExtractor toEnsuring[Universe.LabelDefExtractor] 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

def finalize(): Unit

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

def formatted(fmtstr: String): String

Implicit
This member is added by an implicit conversion from Universe.LabelDefExtractor toStringFormat[Universe.LabelDefExtractor] performed by method StringFormat in scala.Predef.
Definition Classes
StringFormat
Annotations
@inline()

final def getClass(): Class[_ <: AnyRef]

Definition Classes
AnyRef → Any
Annotations
@native()

def hashCode(): Int

Definition Classes
AnyRef → Any
Annotations
@native()

final def isInstanceOf[T0]: Boolean

Definition Classes
Any

final def ne(arg0: AnyRef): Boolean

Definition Classes
AnyRef

final def notify(): Unit

Definition Classes
AnyRef
Annotations
@native()

final def notifyAll(): Unit

Definition Classes
AnyRef
Annotations
@native()

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(classOf[java.lang.InterruptedException])

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()

© 2002-2019 EPFL, with contributions from Lightbend.
Licensed under the Apache License, Version 2.0.
https://www.scala-lang.org/api/2.13.0/scala-reflect/scala/reflect/api/Trees$LabelDefExtractor.html