scala.collection

# Parallelizable

#### trait Parallelizable[+A, +ParRepr <: Parallel] extends Any

This trait describes collections which can be turned into parallel collections by invoking the method `par`. Parallelizable collections may be parametrized with a target type different than their own.

A

  the type of the elements in the collection

ParRepr

  the actual type of the collection, which has to be parallel

Linear Supertypes
Any
Known Subclasses
::, AbstractBuffer, AbstractIterable, AbstractIterable, AbstractMap, AbstractMap, AbstractMap, AbstractSeq, AbstractSeq, AbstractSet, AbstractSet, AbstractTraversable, AnyRefMap, Appended, Appended, Appended, Appended, ArrayBuffer, ArrayLike, ArrayOps, ArraySeq, ArrayStack, BitSet, BitSet, BitSet, BitSet1, BitSet2, BitSetLike, BitSetN, Buffer, BufferLike, BufferProxy, Cons, CustomParallelizable, DefaultKeySet, DefaultKeySet, DefaultKeySet, DefaultKeySortedSet, DefaultKeySortedSet, DefaultMap, DefaultMap, DefaultMapModel, DefaultValuesIterable, DefaultValuesIterable, DoubleLinkedList, DoubleLinkedListLike, DroppedWhile, DroppedWhile, DroppedWhile, DroppedWhile, DroppedWhile, Empty, EmptyView, EmptyView, EmptyView, EmptyView, Exclusive, Filtered, Filtered, Filtered, Filtered, Filtered, FilteredKeys, FilteredKeys, FlatMapped, FlatMapped, FlatMapped, FlatMapped, Forced, Forced, Forced, Forced, GenIterable, GenIterableLike, GenMap, GenMapLike, GenSeq, GenSeqLike, GenSet, GenSetLike, GenTraversable, GenTraversableLike, HashMap, HashMap, HashMap1, HashSet, HashSet, HashTrieMap, HashTrieSet, History, ImmutableDefaultKeySet, ImmutableMapAdaptor, ImmutableSetAdaptor, Impl, Inclusive, Inclusive, IndexedSeq, IndexedSeq, IndexedSeq, IndexedSeqLike, IndexedSeqLike, IndexedSeqOptimized, IndexedSeqOptimized, IndexedSeqView, IntMap, Iterable, Iterable, Iterable, IterableForwarder, IterableLike, IterableProxy, IterableProxyLike, IterableView, IterableViewLike, LinearSeq, LinearSeq, LinearSeq, LinearSeqLike, LinearSeqOptimized, LinkedHashMap, LinkedHashSet, LinkedList, LinkedListLike, List, ListBuffer, ListMap, ListMap, ListSet, LongMap, LongMap, Map, Map, Map, Map, Map1, Map2, Map3, Map4, MapLike, MapLike, MapLike, MapProxy, MapProxy, MapProxy, MapProxyLike, Mapped, Mapped, Mapped, Mapped, MappedValues, MappedValues, MultiMap, MutableList, Nil, Node, Node, NumericRange, ObservableBuffer, ObservableMap, ObservableSet, OpenHashMap, PagedSeq, ParArray, ParHashMap, ParHashMap, ParHashSet, ParHashSet, ParIterable, ParIterable, ParIterable, ParIterableLike, ParMap, ParMap, ParMap, ParMapLike, ParMapLike, ParRange, ParSeq, ParSeq, ParSeq, ParSeqLike, ParSet, ParSet, ParSet, ParSetLike, ParSetLike, ParTrieMap, ParVector, Patched, Patched, Prepended, Prepended, PriorityQueue, PriorityQueueProxy, Queue, Queue, QueueProxy, Range, ResizableArray, Reversed, Reversed, Reversed, RevertibleHistory, Script, Seq, Seq, Seq, SeqForwarder, SeqLike, SeqLike, SeqProxy, SeqProxyLike, SeqView, SeqViewLike, Set, Set, Set, Set1, Set2, Set3, Set4, SetLike, SetLike, SetProxy, SetProxy, SetProxy, SetProxyLike, Sliced, Sliced, Sliced, Sliced, Sliced, SortedMap, SortedMap, SortedMapLike, SortedSet, SortedSet, SortedSet, SortedSetLike, Stack, Stack, StackProxy, Stream, StreamView, StreamViewLike, StringBuilder, StringLike, StringOps, SynchronizedBuffer, SynchronizedMap, SynchronizedPriorityQueue, SynchronizedQueue, SynchronizedSet, SynchronizedStack, SystemProperties, TakenWhile, TakenWhile, TakenWhile, TakenWhile, TakenWhile, Transformed, Transformed, Transformed, Transformed, Transformed, Traversable, Traversable, Traversable, TraversableForwarder, TraversableLike, TraversableProxy, TraversableProxyLike, TraversableView, TraversableViewLike, TreeMap, TreeSet, TreeSet, TrieMap, UnrolledBuffer, ValueSet, Vector, WithDefault, WithDefault, WithDefault, WithDefault, WithDefault, WithDefault, WrappedArray, WrappedString, Zipped, Zipped, Zipped, ZippedAll, ZippedAll, ZippedAll, ofBoolean, ofBoolean, ofByte, ofByte, ofChar, ofChar, ofDouble, ofDouble, ofFloat, ofFloat, ofInt, ofInt, ofLong, ofLong, ofRef, ofRef, ofShort, ofShort, ofUnit, ofUnit
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Inherited

1. Parallelizable
2. Any

Implicitly

1. by any2stringadd
2. by StringFormat
3. by Ensuring
4. by ArrowAssoc

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### Abstract Value Members

1. #### abstract def getClass(): Class[_]

   Definition Classes
     Any

2. #### abstract def parCombiner: Combiner[A, ParRepr]

   The default `par` implementation uses the combiner provided by this method to create a new parallel collection.

   The default `par` implementation uses the combiner provided by this method to create a new parallel collection.

   returns

     a combiner for the parallel collection of type `ParRepr`

   Attributes
     protected[this]

3. #### abstract def seq: TraversableOnce[A]

### Concrete Value Members

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

   Definition Classes
     Any

2. #### final def ##(): Int

   Definition Classes
     Any

3. #### def +(other: String): String

   Implicit information
     This member is added by an implicit conversion from Parallelizable[A, ParRepr] to any2stringadd[Parallelizable[A, ParRepr]] performed by method any2stringadd in scala.Predef.
   Definition Classes
     any2stringadd

4. #### def ->[B](y: B): (Parallelizable[A, ParRepr], B)

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

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

   Definition Classes
     Any

6. #### final def asInstanceOf[T0]: T0

   Definition Classes
     Any

7. #### def ensuring(cond: (Parallelizable[A, ParRepr]) ⇒ Boolean, msg: ⇒ Any): Parallelizable[A, ParRepr]

   Implicit information
     This member is added by an implicit conversion from Parallelizable[A, ParRepr] to Ensuring[Parallelizable[A, ParRepr]] performed by method Ensuring in scala.Predef.
   Definition Classes
     Ensuring

8. #### def ensuring(cond: (Parallelizable[A, ParRepr]) ⇒ Boolean): Parallelizable[A, ParRepr]

   Implicit information
     This member is added by an implicit conversion from Parallelizable[A, ParRepr] to Ensuring[Parallelizable[A, ParRepr]] performed by method Ensuring in scala.Predef.
   Definition Classes
     Ensuring

9. #### def ensuring(cond: Boolean, msg: ⇒ Any): Parallelizable[A, ParRepr]

   Implicit information
     This member is added by an implicit conversion from Parallelizable[A, ParRepr] to Ensuring[Parallelizable[A, ParRepr]] performed by method Ensuring in scala.Predef.
   Definition Classes
     Ensuring

10. #### def ensuring(cond: Boolean): Parallelizable[A, ParRepr]

    Implicit information
      This member is added by an implicit conversion from Parallelizable[A, ParRepr] to Ensuring[Parallelizable[A, ParRepr]] performed by method Ensuring in scala.Predef.
    Definition Classes
      Ensuring

11. #### def equals(arg0: Any): Boolean

    Definition Classes
      Any

12. #### def formatted(fmtstr: String): String

    Returns string formatted according to given `format` string.

    Returns string formatted according to given `format` string. Format strings are as for `String.format` (@see java.lang.String.format).

    Implicit information
      This member is added by an implicit conversion from Parallelizable[A, ParRepr] to StringFormat[Parallelizable[A, ParRepr]] performed by method StringFormat in scala.Predef.
    Definition Classes
      StringFormat
    Annotations
      @inline()

13. #### def hashCode(): Int

    Definition Classes
      Any

14. #### final def isInstanceOf[T0]: Boolean

    Definition Classes
      Any

15. #### def par: ParRepr

    Returns a parallel implementation of this collection.

    Returns a parallel implementation of this collection.

    For most collection types, this method creates a new parallel collection by copying all the elements. For these collection, `par` takes linear time. Mutable collections in this category do not produce a mutable parallel collection that has the same underlying dataset, so changes in one collection will not be reflected in the other one.

    Specific collections (e.g. `ParArray` or `mutable.ParHashMap`) override this default behaviour by creating a parallel collection which shares the same underlying dataset. For these collections, `par` takes constant or sublinear time.

    All parallel collections return a reference to themselves.

    returns

      a parallel implementation of this collection

16. #### def toString(): String

    Definition Classes
      Any

17. #### def →[B](y: B): (Parallelizable[A, ParRepr], B)

    Implicit information
      This member is added by an implicit conversion from Parallelizable[A, ParRepr] to ArrowAssoc[Parallelizable[A, ParRepr]] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
      ArrowAssoc

### Inherited from Any

### Inherited by implicit conversion any2stringadd from Parallelizable[A, ParRepr] to any2stringadd[Parallelizable[A, ParRepr]]

### Inherited by implicit conversion StringFormat from Parallelizable[A, ParRepr] to StringFormat[Parallelizable[A, ParRepr]]

### Inherited by implicit conversion Ensuring from Parallelizable[A, ParRepr] to Ensuring[Parallelizable[A, ParRepr]]

### Inherited by implicit conversion ArrowAssoc from Parallelizable[A, ParRepr] to ArrowAssoc[Parallelizable[A, ParRepr]]

### Ungrouped