Packages

object Equality

In an attempt to contain the damage being inflicted on consistency by the ad hoc equals methods spread around xml, the logic is centralized and all the xml classes go through the xml.Equality trait. There are two forms of xml comparison.

  1. def strict_==(other: scala.xml.Equality)

This one tries to honor the little things like symmetry and hashCode contracts. The equals method routes all comparisons through this.

  1. xml_==(other: Any)

This one picks up where strict_== leaves off. It might declare any two things equal.

As things stood, the logic not only made a mockery of the collections equals contract, but also laid waste to that of case classes.

Among the obstacles to sanity are/were:

Node extends NodeSeq extends Seq[Node] MetaData extends Iterable[MetaData] The hacky "Group" xml node which throws exceptions with wild abandon, so don't get too close Rampant asymmetry and impossible hashCodes Most classes claiming to be equal to "String" if some specific stringification of it was the same. String was never going to return the favor.

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  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  4. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  5. def asRef(x: Any): AnyRef
  6. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  7. def compareBlithely(x1: AnyRef, x2: AnyRef): Boolean
  8. def compareBlithely(x1: AnyRef, x2: Node): Boolean
  9. def compareBlithely(x1: AnyRef, x2: String): Boolean

    Note - these functions assume strict equality has already failed.

  10. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  11. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  12. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
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    Annotations
    @throws( classOf[java.lang.Throwable] )
  13. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  14. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  15. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  16. final def ne(arg0: AnyRef): Boolean
    Definition Classes
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  17. final def notify(): Unit
    Definition Classes
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    Annotations
    @native()
  18. final def notifyAll(): Unit
    Definition Classes
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    @native()
  19. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
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  20. def toString(): String
    Definition Classes
    AnyRef → Any
  21. final def wait(): Unit
    Definition Classes
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    Annotations
    @throws( ... )
  22. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
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    @throws( ... )
  23. final def wait(arg0: Long): Unit
    Definition Classes
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    @throws( ... ) @native()

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