Class

scala.collection.immutable.Stream

StreamWithFilter

Related Doc: package Stream

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final class StreamWithFilter extends WithFilter

A lazier implementation of WithFilter than TraversableLike's.

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  1. StreamWithFilter
  2. WithFilter
  3. FilterMonadic
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Instance Constructors

  1. new StreamWithFilter(p: (A) ⇒ Boolean)

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Value Members

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

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  2. final def ##(): Int

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

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  4. final def asInstanceOf[T0]: T0

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  5. def clone(): AnyRef

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

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  7. def equals(arg0: Any): Boolean

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  8. def finalize(): Unit

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    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )
  9. def flatMap[B](f: (A) ⇒ TraversableOnce[B]): Stream[B]

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    [use case] Builds a new collection by applying a function to all elements of the outer stream containing this WithFilter instance that satisfy predicate p and concatenating the results.

    [use case]

    Builds a new collection by applying a function to all elements of the outer stream containing this WithFilter instance that satisfy predicate p and concatenating the results.

    The type of the resulting collection will be guided by the static type of the outer stream.

    B

    the element type of the returned collection.

    f

    the function to apply to each element.

    returns

    a new stream resulting from applying the given collection-valued function f to each element of the outer stream that satisfies predicate p and concatenating the results.

    Definition Classes
    StreamWithFilterWithFilterFilterMonadic
    Full Signature

    def flatMap[B, That](f: (A) ⇒ GenTraversableOnce[B])(implicit bf: CanBuildFrom[Stream[A], B, That]): That

  10. def foreach(f: (A) ⇒ Unit): Unit

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    [use case] Applies a function f to all elements of the outer stream containing this WithFilter instance that satisfy predicate p.

    [use case]

    Applies a function f to all elements of the outer stream containing this WithFilter instance that satisfy predicate p.

    f

    the function that is applied for its side-effect to every element. The result of function f is discarded.

    Definition Classes
    StreamWithFilterWithFilterFilterMonadic
    Full Signature

    def foreach[U](f: (A) ⇒ U): Unit

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

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  12. def hashCode(): Int

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  13. final def isInstanceOf[T0]: Boolean

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  14. def map[B](f: (A) ⇒ B): Stream[B]

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    [use case] Builds a new collection by applying a function to all elements of the outer stream containing this WithFilter instance that satisfy predicate p.

    [use case]

    Builds a new collection by applying a function to all elements of the outer stream containing this WithFilter instance that satisfy predicate p.

    B

    the element type of the returned collection.

    f

    the function to apply to each element.

    returns

    a new stream resulting from applying the given function f to each element of the outer stream that satisfies predicate p and collecting the results.

    Definition Classes
    StreamWithFilterWithFilterFilterMonadic
    Full Signature

    def map[B, That](f: (A) ⇒ B)(implicit bf: CanBuildFrom[Stream[A], B, That]): That

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

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  16. final def notify(): Unit

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  17. final def notifyAll(): Unit

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

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  19. def toString(): String

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  20. final def wait(): Unit

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    @throws( ... )
  21. final def wait(arg0: Long, arg1: Int): Unit

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

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  23. def withFilter(q: (A) ⇒ Boolean): StreamWithFilter

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    Further refines the filter for this stream.

    Further refines the filter for this stream.

    q

    the predicate used to test elements.

    returns

    an object of class WithFilter, which supports map, flatMap, foreach, and withFilter operations. All these operations apply to those elements of this stream which satisfy the predicate q in addition to the predicate p.

    Definition Classes
    StreamWithFilterWithFilterFilterMonadic

Inherited from Stream.WithFilter

Inherited from FilterMonadic[A, Stream[A]]

Inherited from AnyRef

Inherited from Any

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