Class

com.twitter.algebird

MapMonoid

Related Doc: package algebird

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class MapMonoid[K, V] extends GenericMapMonoid[K, V, Map[K, V]]

Source
MapAlgebra.scala
Linear Supertypes
GenericMapMonoid[K, V, Map[K, V]], MapOperations[K, V, Map[K, V]], Monoid[Map[K, V]], Semigroup[Map[K, V]], Serializable, AnyRef, Any
Known Subclasses
Type Hierarchy
Ordering
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Inherited
  1. MapMonoid
  2. GenericMapMonoid
  3. MapOperations
  4. Monoid
  5. Semigroup
  6. Serializable
  7. AnyRef
  8. Any
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new MapMonoid()(implicit semigroup: Semigroup[V])

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Value Members

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

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    Definition Classes
    AnyRef → Any
  2. final def ##(): Int

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    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  4. def add(oldMap: Map[K, V], kv: (K, V)): Map[K, V]

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    Definition Classes
    MapMonoidMapOperations
  5. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any
  6. def assertNotZero(v: Map[K, V]): Unit

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    Definition Classes
    Monoid
  7. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  8. final def eq(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  9. def equals(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  10. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  11. def fromMutable(mut: Map[K, V]): Map[K, V]

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

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    Definition Classes
    AnyRef → Any
  13. def hashCode(): Int

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    Definition Classes
    AnyRef → Any
  14. final def isInstanceOf[T0]: Boolean

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

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    Definition Classes
    GenericMapMonoidMonoid
  16. final def ne(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  17. val nonZero: (V) ⇒ Boolean

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

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    Definition Classes
    Monoid
  19. final def notify(): Unit

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    Definition Classes
    AnyRef
  20. final def notifyAll(): Unit

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    Definition Classes
    AnyRef
  21. def plus(x: Map[K, V], y: Map[K, V]): Map[K, V]

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    Combines two T instances associatively.

    Combines two T instances associatively.

    returns

    result of combining l and r

    Definition Classes
    GenericMapMonoidSemigroup
  22. def remove(oldMap: Map[K, V], k: K): Map[K, V]

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    Definition Classes
    MapMonoidMapOperations
  23. implicit val semigroup: Semigroup[V]

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    Definition Classes
    GenericMapMonoid
  24. def sum(vs: TraversableOnce[Map[K, V]]): Map[K, V]

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    Definition Classes
    Monoid
  25. def sumOption(items: TraversableOnce[Map[K, V]]): Option[Map[K, V]]

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    Returns an instance of T calculated by summing all instances in iter in one pass.

    Returns an instance of T calculated by summing all instances in iter in one pass. Returns None if iter is empty, else Some[T].

    returns

    None if iter is empty, else an option value containing the summed T

    Definition Classes
    GenericMapMonoidSemigroup
    Note

    Override if there is a faster way to compute this sum than iter.reduceLeftOption using plus.

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

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    Definition Classes
    AnyRef
  27. def toString(): String

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    Definition Classes
    AnyRef → Any
  28. final def wait(): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  29. final def wait(arg0: Long, arg1: Int): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  30. final def wait(arg0: Long): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  31. lazy val zero: Map[K, V]

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    Returns the identity element of T for plus.

    Returns the identity element of T for plus.

    Definition Classes
    MapMonoidMonoid

Inherited from GenericMapMonoid[K, V, Map[K, V]]

Inherited from MapOperations[K, V, Map[K, V]]

Inherited from Monoid[Map[K, V]]

Inherited from Semigroup[Map[K, V]]

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

Ungrouped