Packages

c

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
Type Hierarchy
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. LabelDefExtractor
  2. AnyRef
  3. Any
Implicitly
  1. by any2stringadd
  2. by StringFormat
  3. by Ensuring
  4. by ArrowAssoc
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  2. Show All
Visibility
  1. Public
  2. All

Instance Constructors

  1. new LabelDefExtractor()

Abstract Value Members

  1. abstract def apply(name: Universe.TermName, params: List[Universe.Ident], rhs: Universe.Tree): Universe.LabelDef
  2. abstract def unapply(labelDef: Universe.LabelDef): Option[(Universe.TermName, List[Universe.Ident], Universe.Tree)]

Concrete Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. 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
  4. 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()
  5. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  6. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  7. def clone(): AnyRef
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.CloneNotSupportedException]) @native()
  8. 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
  9. 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
  10. 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
  11. 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
  12. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  13. def equals(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef → Any
  14. def finalize(): Unit
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.Throwable])
  15. 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()
  16. final def getClass(): Class[_ <: AnyRef]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  17. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  18. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  19. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  20. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  21. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  22. final def synchronized[T0](arg0: => T0): T0
    Definition Classes
    AnyRef
  23. def toString(): String
    Definition Classes
    AnyRef → Any
  24. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
  25. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
  26. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException]) @native()

Deprecated Value Members

  1. def apply(sym: Universe.Symbol, params: List[Universe.Symbol], rhs: Universe.Tree)(implicit token: Universe.CompatToken): Universe.LabelDef

    Annotations
    @deprecated
    Deprecated

    (Since version 2.11.0) use internal.labelDef instead

    See also

    InternalApi.labelDef

  2. 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
    @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 AnyRef

Inherited from Any

Inherited by implicit conversion any2stringadd fromUniverse.LabelDefExtractor to any2stringadd[Universe.LabelDefExtractor]

Inherited by implicit conversion StringFormat fromUniverse.LabelDefExtractor to StringFormat[Universe.LabelDefExtractor]

Inherited by implicit conversion Ensuring fromUniverse.LabelDefExtractor to Ensuring[Universe.LabelDefExtractor]

Inherited by implicit conversion ArrowAssoc fromUniverse.LabelDefExtractor to ArrowAssoc[Universe.LabelDefExtractor]

Ungrouped