scala.tools.nsc.typechecker

Variances

trait Variances extends AnyRef

Variances form a lattice, 0 <= COVARIANT <= Variances, 0 <= CONTRAVARIANT <= VARIANCES

Source
Variances.scala
Linear Supertypes
AnyRef, Any
Known Subclasses
Analyzer, Duplicator, Duplicators, Erasure, TreeCheckers, erasure, treeChecker
Type Hierarchy Learn more about scaladoc diagrams
Ordering
  1. Alphabetic
  2. By inheritance
Inherited
  1. Variances
  2. AnyRef
  3. Any
Implicitly
  1. by any2stringadd
  2. by any2stringfmt
  3. by any2ArrowAssoc
  4. by any2Ensuring
  1. Hide All
  2. Show all
Learn more about member selection
Visibility
  1. Public
  2. All

Abstract Value Members

  1. abstract val global: Global

Concrete Value Members

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

    Definition Classes
    AnyRef

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

    Definition Classes
    Any

  3. final def ##(): Int

    Definition Classes
    AnyRef → Any

  4. def +(other: String): String

    Implicit information
    This member is added by an implicit conversion from Variances to StringAdd performed by method any2stringadd in scala.Predef.
    Definition Classes
    StringAdd

  5. def ->[B](y: B): (Variances, B)

    Implicit information
    This member is added by an implicit conversion from Variances to ArrowAssoc[Variances] performed by method any2ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc
    Annotations
    @inline()

  6. final def ==(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

  7. final def ==(arg0: Any): Boolean

    Definition Classes
    Any

  8. final def asInstanceOf[T0]: T0

    Definition Classes
    Any

  9. def clone(): AnyRef

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

  10. def ensuring(cond: (Variances) ⇒ Boolean, msg: ⇒ Any): Variances

    Implicit information
    This member is added by an implicit conversion from Variances to Ensuring[Variances] performed by method any2Ensuring in scala.Predef.
    Definition Classes
    Ensuring

  11. def ensuring(cond: (Variances) ⇒ Boolean): Variances

    Implicit information
    This member is added by an implicit conversion from Variances to Ensuring[Variances] performed by method any2Ensuring in scala.Predef.
    Definition Classes
    Ensuring

  12. def ensuring(cond: Boolean, msg: ⇒ Any): Variances

    Implicit information
    This member is added by an implicit conversion from Variances to Ensuring[Variances] performed by method any2Ensuring in scala.Predef.
    Definition Classes
    Ensuring

  13. def ensuring(cond: Boolean): Variances

    Implicit information
    This member is added by an implicit conversion from Variances to Ensuring[Variances] performed by method any2Ensuring in scala.Predef.
    Definition Classes
    Ensuring

  14. final def eq(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

  15. def equals(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any

  16. def finalize(): Unit

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

  17. def formatted(fmtstr: String): String

    Implicit information
    This member is added by an implicit conversion from Variances to StringFormat performed by method any2stringfmt in scala.Predef.
    Definition Classes
    StringFormat
    Annotations
    @inline()

  18. final def getClass(): Class[_]

    Definition Classes
    AnyRef → Any

  19. def hashCode(): Int

    Definition Classes
    AnyRef → Any

  20. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any

  21. final def ne(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

  22. final def notify(): Unit

    Definition Classes
    AnyRef

  23. final def notifyAll(): Unit

    Definition Classes
    AnyRef

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

    Definition Classes
    AnyRef

  25. def toString(): String

    Definition Classes
    AnyRef → Any

  26. def varianceInArgs(tps: List[Global.Type], tparams1: List[Global.Symbol])(tparam: Global.Symbol): Int

    Compute variance of type parameter tparam in all type arguments tps which correspond to formal type parameters tparams1.

  27. def varianceInAttrib(annot: Global.AnnotationInfo)(tparam: Global.Symbol): Int

    Compute variance of type parameter tparam in type annotation annot.

  28. def varianceInAttribs(annots: List[Global.AnnotationInfo])(tparam: Global.Symbol): Int

    Compute variance of type parameter tparam in all type annotations annots.

  29. def varianceInSym(sym: Global.Symbol)(tparam: Global.Symbol): Int

    Compute variance of type parameter tparam in type of symbol sym.

  30. def varianceInSyms(syms: List[Global.Symbol])(tparam: Global.Symbol): Int

    Compute variance of type parameter tparam in types of all symbols sym.

  31. def varianceInType(tp: Global.Type)(tparam: Global.Symbol): Int

    Compute variance of type parameter tparam in type tp.

  32. def varianceInTypes(tps: List[Global.Type])(tparam: Global.Symbol): Int

    Compute variance of type parameter tparam in all types tps.

  33. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws()

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

    Definition Classes
    AnyRef
    Annotations
    @throws()

  35. final def wait(arg0: Long): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws()

  36. def →[B](y: B): (Variances, B)

    Implicit information
    This member is added by an implicit conversion from Variances to ArrowAssoc[Variances] performed by method any2ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc

Shadowed Implict Value Members

  1. val self: Any

    Implicit information
    This member is added by an implicit conversion from Variances to StringAdd performed by method any2stringadd in scala.Predef.
    Shadowing
    This implicitly inherited member is ambiguous. One or more implicitly inherited members have similar signatures, so calling this member may produce an ambiguous implicit conversion compiler error.
    To access this member you can use a type ascription:
    (variances: StringAdd).self
    Definition Classes
    StringAdd

  2. val self: Any

    Implicit information
    This member is added by an implicit conversion from Variances to StringFormat performed by method any2stringfmt in scala.Predef.
    Shadowing
    This implicitly inherited member is ambiguous. One or more implicitly inherited members have similar signatures, so calling this member may produce an ambiguous implicit conversion compiler error.
    To access this member you can use a type ascription:
    (variances: StringFormat).self
    Definition Classes
    StringFormat

Deprecated Value Members

  1. def x: Variances

    Implicit information
    This member is added by an implicit conversion from Variances to ArrowAssoc[Variances] performed by method any2ArrowAssoc in scala.Predef.
    Shadowing
    This implicitly inherited member is ambiguous. One or more implicitly inherited members have similar signatures, so calling this member may produce an ambiguous implicit conversion compiler error.
    To access this member you can use a type ascription:
    (variances: ArrowAssoc[Variances]).x
    Definition Classes
    ArrowAssoc
    Annotations
    @deprecated
    Deprecated

    (Since version 2.10.0) Use leftOfArrow instead

  2. def x: Variances

    Implicit information
    This member is added by an implicit conversion from Variances to Ensuring[Variances] performed by method any2Ensuring in scala.Predef.
    Shadowing
    This implicitly inherited member is ambiguous. One or more implicitly inherited members have similar signatures, so calling this member may produce an ambiguous implicit conversion compiler error.
    To access this member you can use a type ascription:
    (variances: Ensuring[Variances]).x
    Definition Classes
    Ensuring
    Annotations
    @deprecated
    Deprecated

    (Since version 2.10.0) Use resultOfEnsuring instead

Inherited from AnyRef

Inherited from Any

Inherited by implicit conversion any2stringadd from Variances to StringAdd

Inherited by implicit conversion any2stringfmt from Variances to StringFormat

Inherited by implicit conversion any2ArrowAssoc from Variances to ArrowAssoc[Variances]

Inherited by implicit conversion any2Ensuring from Variances to Ensuring[Variances]

Ungrouped