com.twitter.algebird

JMapMonoid

class JMapMonoid[K, V] extends Monoid[Map[K, V]]

Since maps are mutable, this always makes a full copy. Prefer scala immutable maps if you use scala immutable maps, this operation is much faster TODO extend this to Group, Ring

Linear Supertypes
Monoid[Map[K, V]], Semigroup[Map[K, V]], Serializable, AnyRef, Any
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Inherited
  1. JMapMonoid
  2. Monoid
  3. Semigroup
  4. Serializable
  5. AnyRef
  6. Any
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  1. Public
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Instance Constructors

  1. new JMapMonoid()(implicit arg0: Semigroup[V])

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

    Definition Classes
    AnyRef

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

    Definition Classes
    Any

  6. final def asInstanceOf[T0]: T0

    Definition Classes
    Any

  7. def assertNotZero(v: Map[K, V]): Unit

    Definition Classes
    Monoid

  8. def clone(): AnyRef

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

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

    Definition Classes
    AnyRef

  10. def equals(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any

  11. def finalize(): Unit

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

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

    Definition Classes
    AnyRef → Any

  13. def hashCode(): Int

    Definition Classes
    AnyRef → Any

  14. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any

  15. def isNonZero(x: Map[K, V]): Boolean

    Definition Classes
    JMapMonoid → Monoid

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

    Definition Classes
    AnyRef

  17. val nonZero: (V) ⇒ Boolean

  18. def nonZeroOption(v: Map[K, V]): Option[Map[K, V]]

    Definition Classes
    Monoid

  19. final def notify(): Unit

    Definition Classes
    AnyRef

  20. final def notifyAll(): Unit

    Definition Classes
    AnyRef

  21. def plus(x: Map[K, V], y: Map[K, V]): HashMap[K, V]

    Definition Classes
    JMapMonoid → Semigroup

  22. def sum(vs: TraversableOnce[Map[K, V]]): Map[K, V]

    Definition Classes
    Monoid

  23. def sumOption(iter: TraversableOnce[Map[K, V]]): Option[Map[K, V]]

    override this if there is a faster way to do this sum than reduceLeftOption on plus

    override this if there is a faster way to do this sum than reduceLeftOption on plus

    Definition Classes
    Semigroup

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

    Definition Classes
    AnyRef

  25. def toString(): String

    Definition Classes
    AnyRef → Any

  26. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  29. lazy val zero: HashMap[K, V]

    Definition Classes
    JMapMonoid → Monoid

Inherited from Monoid[Map[K, V]]

Inherited from Semigroup[Map[K, V]]

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

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