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com.nthportal.extrapredef.ExtraPredef

ExtraRichOrderedInt

implicit final class ExtraRichOrderedInt extends AnyRef

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Instance Constructors

  1. new ExtraRichOrderedInt(prev: Int)

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
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  2. final def ##(): Int
    Definition Classes
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  3. final def ==(arg0: Any): Boolean
    Definition Classes
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  4. final def asInstanceOf[T0]: T0
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  5. def clone(): AnyRef
    Attributes
    protected[java.lang]
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    @throws( ... )
  6. final def eq(arg0: AnyRef): Boolean
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  7. def equals(arg0: Any): Boolean
    Definition Classes
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  8. def finalize(): Unit
    Attributes
    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )
  9. final def getClass(): Class[_]
    Definition Classes
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  10. def hashCode(): Int
    Definition Classes
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  11. final def isInstanceOf[T0]: Boolean
    Definition Classes
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  12. final def ne(arg0: AnyRef): Boolean
    Definition Classes
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  13. final def notify(): Unit
    Definition Classes
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  14. final def notifyAll(): Unit
    Definition Classes
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  15. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
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  16. def thenCompare[A](a1: A, a2: A)(implicit ord: Ordering[A]): Int

    Returns the result of the immediately previous comparison if it was not 0; otherwise the result of comparing two other things (a1 and a2).

    Returns the result of the immediately previous comparison if it was not 0; otherwise the result of comparing two other things (a1 and a2).

    This method is intended to be used to chain comparisons, as in the following example:

    case class PlayingCard(rank: Rank, suit: Suit) extends Ordered[PlayingCard] {
      override def compare(other: PlayingCard): Int = {
        (this.rank compare that.rank)
          .thenCompare(this.suit, that.suit)
      }
    }

    While this method can called on arbitrary Ints, to be meaningful, it should only be called on the result of a previous comparison.

    Because the implicit class containing this method does not extend AnyVal, invoking this method results in object creation. Consequently, it is almost certainly more efficient to compare tupled elements instead, as in the following modification of the above example:

    case class PlayingCard(rank: Rank, suit: Suit) extends Ordered[PlayingCard] {
      override def compare(other: PlayingCard): Int = {
        (this.rank, this.suit) compare (that.rank, that.suit)
      }
    }

    If one wants to use this method efficiently, it is recommended to copy the code from the com.nthportal package object (which extends AnyVal) and paste it where needed.

    A

    the type of a1 and a2

    a1

    the first thing to compare

    a2

    the second thing to compare

    ord

    an Ordering for a1 and a2

    returns

    the result of the previous comparison if it was not 0, or the result of comparing the two other things otherwise

  17. def toString(): String
    Definition Classes
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  18. final def wait(): Unit
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    @throws( ... )
  19. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
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    Annotations
    @throws( ... )
  20. final def wait(arg0: Long): Unit
    Definition Classes
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    @throws( ... )

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