scala.collection.TraversableViewLike

Sliced

trait Sliced extends Transformed[A]

pre: from >= 0

linear super types: Transformed[A], TraversableView[A, Coll], TraversableViewLike[A, Coll, TraversableView[A, Coll]], Traversable[A], GenericTraversableTemplate[A, Traversable], TraversableLike[A, TraversableView[A, Coll]], TraversableOnce[A], FilterMonadic[A, TraversableView[A, Coll]], HasNewBuilder[A, TraversableView[A, Coll]], AnyRef, Any
known subclasses: Sliced, Sliced, Sliced
source: TraversableViewLike.scala
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  1. Sliced
  2. Transformed
  3. TraversableView
  4. TraversableViewLike
  5. Traversable
  6. GenericTraversableTemplate
  7. TraversableLike
  8. TraversableOnce
  9. FilterMonadic
  10. HasNewBuilder
  11. AnyRef
  12. Any
Visibility
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Impl.
  1. Concrete
  2. Abstract

Type Members

  1. trait Appended [B >: A] extends Transformed[B]

  2. trait DroppedWhile extends Transformed[A]

  3. trait Filtered extends Transformed[A]

  4. trait FlatMapped [B] extends Transformed[B]

  5. trait Forced [B] extends Transformed[B]

    A fall back which forces everything into a vector and then applies an operation on it.

  6. trait Mapped [B] extends Transformed[B]

  7. type Self = TraversableView[A, Coll]

    The type implementing this traversable

    The type implementing this traversable

    attributes: protected
    definition classes: TraversableLike
  8. trait Sliced extends Transformed[A]

    pre: from >= 0

  9. trait TakenWhile extends Transformed[A]

  10. trait Transformed [+B] extends TraversableView[B, Coll]

    The implementation base trait of this view.

  11. class WithFilter extends FilterMonadic[A, Repr]

    A class supporting filtered operations.

Value Members

  1. def != (arg0: AnyRef) : Boolean

    attributes: final
    definition classes: AnyRef
  2. def != (arg0: Any) : Boolean

    o != arg0 is the same as !(o == (arg0)).

    o != arg0 is the same as !(o == (arg0)).

    arg0

    the object to compare against this object for dis-equality.

    returns

    false if the receiver object is equivalent to the argument; true otherwise.

    attributes: final
    definition classes: Any
  3. def ## () : Int

    attributes: final
    definition classes: AnyRef → Any
  4. def $asInstanceOf [T0] () : T0

    attributes: final
    definition classes: AnyRef
  5. def $isInstanceOf [T0] () : Boolean

    attributes: final
    definition classes: AnyRef
  6. def ++ (that: TraversableOnce[A]) : CC[A]

    [use case] Concatenates this collection with the elements of a traversable collection.

    [use case]

    Concatenates this collection with the elements of a traversable collection.

    that

    the traversable to append.

    returns

    a new collection which contains all elements of this collection followed by all elements of that.

    attributes: abstract
    definition classes: TraversableLike
  7. def ++ [B >: A, That] (xs: TraversableOnce[B])(implicit bf: CanBuildFrom[TraversableView[A, Coll], B, That]) : That

    Concatenates this collection with the elements of a traversable collection.

    Concatenates this collection with the elements of a traversable collection.

    B

    the element type of the returned collection.

    That

    the class of the returned collection. Where possible, That is the same class as the current collection class Repr, but this depends on the element type B being admissible for that class, which means that an implicit instance of type CanBuildFrom[Repr, B, That] is found.

    bf

    an implicit value of class CanBuildFrom which determines the result class That from the current representation type Repr and and the new element type B.

    returns

    a new collection of type That which contains all elements of this collection followed by all elements of that.

    definition classes: TraversableViewLikeTraversableLike
  8. def /: [B] (z: B)(op: (B, A) ⇒ B) : B

    Applies a binary operator to a start value and all elements of this collection, going left to right.

    Applies a binary operator to a start value and all elements of this collection, going left to right.

    Note: /: is alternate syntax for foldLeft; z /: xs is the same as xs foldLeft z.

    Note: will not terminate for infinite-sized collections.

    Note: might return different results for different runs, unless the underlying collection type is ordered. or the operator is associative and commutative.

    B

    the result type of the binary operator.

    z

    the start value.

    op

    the binary operator.

    returns

    the result of inserting op between consecutive elements of this collection, going left to right with the start value z on the left: op(...op(op(z, x1), x2), ..., xn) where x,,1,,, ..., x,,n,, are the elements of this collection.

    definition classes: TraversableOnce
  9. def :\ [B] (z: B)(op: (A, B) ⇒ B) : B

    Applies a binary operator to all elements of this collection and a start value, going right to left.

    Applies a binary operator to all elements of this collection and a start value, going right to left.

    Note: :\ is alternate syntax for foldRight; xs :\ z is the same as xs foldRight z.

    Note: will not terminate for infinite-sized collections.

    Note: might return different results for different runs, unless the underlying collection type is ordered. or the operator is associative and commutative.

    B

    the result type of the binary operator.

    z

    the start value

    op

    the binary operator

    returns

    the result of inserting op between consecutive elements of this collection, going right to left with the start value z on the right: op(x1, op(x2, ... op(xn, z)...)) where x,,1,,, ..., x,,n,, are the elements of this collection.

    definition classes: TraversableOnce
  10. def == (arg0: AnyRef) : Boolean

    o == arg0 is the same as if (o eq null) arg0 eq null else o.equals(arg0).

    o == arg0 is the same as if (o eq null) arg0 eq null else o.equals(arg0).

    arg0

    the object to compare against this object for equality.

    returns

    true if the receiver object is equivalent to the argument; false otherwise.

    attributes: final
    definition classes: AnyRef
  11. def == (arg0: Any) : Boolean

    o == arg0 is the same as o.equals(arg0).

    o == arg0 is the same as o.equals(arg0).

    arg0

    the object to compare against this object for equality.

    returns

    true if the receiver object is equivalent to the argument; false otherwise.

    attributes: final
    definition classes: Any
  12. def addString (b: StringBuilder) : StringBuilder

    Appends all elements of this collection to a string builder.

    Appends all elements of this collection to a string builder. The written text consists of the string representations (w.r.t. the method toString) of all elements of this collection without any separator string.

    b

    the string builder to which elements are appended.

    returns

    the string builder b to which elements were appended.

    definition classes: TraversableOnce
  13. def addString (b: StringBuilder, sep: String) : StringBuilder

    Appends all elements of this collection to a string builder using a separator string.

    Appends all elements of this collection to a string builder using a separator string. The written text consists of the string representations (w.r.t. the method toString) of all elements of this collection, separated by the string sep.

    b

    the string builder to which elements are appended.

    sep

    the separator string.

    returns

    the string builder b to which elements were appended.

    definition classes: TraversableOnce
  14. def addString (b: StringBuilder, start: String, sep: String, end: String) : StringBuilder

    Appends all elements of this collection to a string builder using start, end, and separator strings.

    Appends all elements of this collection to a string builder using start, end, and separator strings. The written text begins with the string start and ends with the string end. Inside, the string representations (w.r.t. the method toString) of all elements of this collection are separated by the string sep.

    b

    the string builder to which elements are appended.

    start

    the starting string.

    sep

    the separator string.

    end

    the ending string.

    returns

    the string builder b to which elements were appended.

    definition classes: TraversableOnce
  15. def asInstanceOf [T0] : T0

    This method is used to cast the receiver object to be of type T0.

    This method is used to cast the receiver object to be of type T0.

    Note that the success of a cast at runtime is modulo Scala's erasure semantics. Therefore the expression1.asInstanceOf[String] will throw a ClassCastException at runtime, while the expressionList(1).asInstanceOf[List[String]] will not. In the latter example, because the type argument is erased as part of compilation it is not possible to check whether the contents of the list are of the requested typed.

    returns

    the receiver object.

    attributes: final
    definition classes: Any
  16. def clone () : AnyRef

    This method creates and returns a copy of the receiver object.

    This method creates and returns a copy of the receiver object.

    The default implementation of the clone method is platform dependent.

    returns

    a copy of the receiver object.

    attributes: protected
    definition classes: AnyRef
  17. def collect [B] (pf: PartialFunction[A, B]) : CC[B]

    [use case] Builds a new collection by applying a partial function to all elements of this collection on which the function is defined.

    [use case]

    Builds a new collection by applying a partial function to all elements of this collection on which the function is defined.

    B

    the element type of the returned collection.

    pf

    the partial function which filters and maps the collection.

    returns

    a new collection resulting from applying the given partial function pf to each element on which it is defined and collecting the results. The order of the elements is preserved.

    attributes: abstract
    definition classes: TraversableLike
  18. def collect [B, That] (pf: PartialFunction[A, B])(implicit bf: CanBuildFrom[TraversableView[A, Coll], B, That]) : That

    Builds a new collection by applying a partial function to all elements of this collection on which the function is defined.

    Builds a new collection by applying a partial function to all elements of this collection on which the function is defined.

    B

    the element type of the returned collection.

    That

    the class of the returned collection. Where possible, That is the same class as the current collection class Repr, but this depends on the element type B being admissible for that class, which means that an implicit instance of type CanBuildFrom[Repr, B, That] is found.

    pf

    the partial function which filters and maps the collection.

    bf

    an implicit value of class CanBuildFrom which determines the result class That from the current representation type Repr and and the new element type B.

    returns

    a new collection of type That resulting from applying the partial function pf to each element on which it is defined and collecting the results. The order of the elements is preserved.

    definition classes: TraversableViewLikeTraversableLike
  19. def companion : GenericCompanion[Traversable]

    The factory companion object that builds instances of class CC.

    The factory companion object that builds instances of class CC. (or its Iterable superclass where class CC is not a Seq.)

    definition classes: TraversableGenericTraversableTemplate
  20. def copyToArray (xs: Array[A], start: Int, len: Int) : Unit

    [use case] Copies elements of this collection to an array.

    [use case]

    Copies elements of this collection to an array. Fills the given array xs with at most len elements of this collection, starting at position start. Copying will stop once either the end of the current collection is reached, or the end of the array is reached, or len elements have been copied.

    xs

    the array to fill.

    start

    the starting index.

    len

    the maximal number of elements to copy.

    attributes: abstract
    definition classes: TraversableLike
  21. def copyToArray [B >: A] (xs: Array[B], start: Int, len: Int) : Unit

    Copies elements of this collection to an array.

    Copies elements of this collection to an array. Fills the given array xs with at most len elements of this collection, starting at position start. Copying will stop once either the end of the current collection is reached, or the end of the array is reached, or len elements have been copied.

    Note: will not terminate for infinite-sized collections.

    B

    the type of the elements of the array.

    xs

    the array to fill.

    start

    the starting index.

    len

    the maximal number of elements to copy.

    definition classes: TraversableLikeTraversableOnce
  22. def copyToArray (xs: Array[A]) : Unit

    [use case] Copies values of this collection to an array.

    [use case]

    Copies values of this collection to an array. Fills the given array xs with values of this collection. Copying will stop once either the end of the current collection is reached, or the end of the array is reached.

    xs

    the array to fill.

    attributes: abstract
    definition classes: TraversableOnce
  23. def copyToArray [B >: A] (xs: Array[B]) : Unit

    Copies values of this collection to an array.

    Copies values of this collection to an array. Fills the given array xs with values of this collection. Copying will stop once either the end of the current collection is reached, or the end of the array is reached.

    Note: will not terminate for infinite-sized collections.

    B

    the type of the elements of the array.

    xs

    the array to fill.

    definition classes: TraversableOnce
  24. def copyToArray (xs: Array[A], start: Int) : Unit

    [use case] Copies values of this collection to an array.

    [use case]

    Copies values of this collection to an array. Fills the given array xs with values of this collection, after skipping start values. Copying will stop once either the end of the current collection is reached, or the end of the array is reached.

    xs

    the array to fill.

    start

    the starting index.

    attributes: abstract
    definition classes: TraversableOnce
  25. def copyToArray [B >: A] (xs: Array[B], start: Int) : Unit

    Copies values of this collection to an array.

    Copies values of this collection to an array. Fills the given array xs with values of this collection, after skipping start values. Copying will stop once either the end of the current collection is reached, or the end of the array is reached.

    Note: will not terminate for infinite-sized collections.

    B

    the type of the elements of the array.

    xs

    the array to fill.

    start

    the starting index.

    definition classes: TraversableOnce
  26. def copyToBuffer [B >: A] (dest: Buffer[B]) : Unit

    Copies all elements of this collection to a buffer.

    Copies all elements of this collection to a buffer.

    Note: will not terminate for infinite-sized collections.

    dest

    The buffer to which elements are copied.

    definition classes: TraversableOnce
  27. def count (p: (A) ⇒ Boolean) : Int

    Counts the number of elements in the collection which satisfy a predicate.

    Counts the number of elements in the collection which satisfy a predicate.

    p

    the predicate used to test elements.

    returns

    the number of elements satisfying the predicate p.

    definition classes: TraversableOnce
  28. def drop (n: Int) : TraversableView[A, Coll]

    Selects all elements except first n ones.

    Selects all elements except first n ones.

    Note: might return different results for different runs, unless the underlying collection type is ordered.

    n

    the number of elements to drop from this collection.

    returns

    a collection consisting of all elements of this collection except the first n ones, or else the empty collection, if this collection has less than n elements.

    definition classes: TraversableViewLikeTraversableLike
  29. def dropWhile (p: (A) ⇒ Boolean) : TraversableView[A, Coll]

    Drops longest prefix of elements that satisfy a predicate.

    Drops longest prefix of elements that satisfy a predicate.

    Note: might return different results for different runs, unless the underlying collection type is ordered.

    p

    The predicate used to test elements.

    returns

    the longest suffix of this collection whose first element does not satisfy the predicate p.

    definition classes: TraversableViewLikeTraversableLike
  30. def eq (arg0: AnyRef) : Boolean

    This method is used to test whether the argument (arg0) is a reference to the receiver object (this).

    This method is used to test whether the argument (arg0) is a reference to the receiver object (this).

    The eq method implements an [http://en.wikipedia.org/wiki/Equivalence_relation equivalence relation] on non-null instances of AnyRef: * It is reflexive: for any non-null instance x of type AnyRef, x.eq(x) returns true. * It is symmetric: for any non-null instances x and y of type AnyRef, x.eq(y) returns true if and only if y.eq(x) returns true. * It is transitive: for any non-null instances x, y, and z of type AnyRef if x.eq(y) returns true and y.eq(z) returns true, then x.eq(z) returns true.

    Additionally, the eq method has three other properties. * It is consistent: for any non-null instances x and y of type AnyRef, multiple invocations of x.eq(y) consistently returns true or consistently returns false. * For any non-null instance x of type AnyRef, x.eq(null) and null.eq(x) returns false. * null.eq(null) returns true.

    When overriding the equals or hashCode methods, it is important to ensure that their behavior is consistent with reference equality. Therefore, if two objects are references to each other (o1 eq o2), they should be equal to each other (o1 == o2) and they should hash to the same value (o1.hashCode == o2.hashCode).

    arg0

    the object to compare against this object for reference equality.

    returns

    true if the argument is a reference to the receiver object; false otherwise.

    attributes: final
    definition classes: AnyRef
  31. def equals (arg0: Any) : Boolean

    This method is used to compare the receiver object (this) with the argument object (arg0) for equivalence.

    This method is used to compare the receiver object (this) with the argument object (arg0) for equivalence.

    The default implementations of this method is an [http://en.wikipedia.org/wiki/Equivalence_relation equivalence relation]: * It is reflexive: for any instance x of type Any, x.equals(x) should return true. * It is symmetric: for any instances x and y of type Any, x.equals(y) should return true if and only if y.equals(x) returns true. * It is transitive: for any instances x, y, and z of type AnyRef if x.equals(y) returns true and y.equals(z) returns true, then x.equals(z) should return true.

    If you override this method, you should verify that your implementation remains an equivalence relation. Additionally, when overriding this method it is often necessary to override hashCode to ensure that objects that are "equal" (o1.equals(o2) returns true) hash to the same scala.Int (o1.hashCode.equals(o2.hashCode)).

    arg0

    the object to compare against this object for equality.

    returns

    true if the receiver object is equivalent to the argument; false otherwise.

    definition classes: AnyRef → Any
  32. def exists (p: (A) ⇒ Boolean) : Boolean

    Tests whether a predicate holds for some of the elements of this collection.

    Tests whether a predicate holds for some of the elements of this collection.

    Note: may not terminate for infinite-sized collections.

    p

    the predicate used to test elements.

    returns

    true if the given predicate p holds for some of the elements of this collection, otherwise false.

    definition classes: TraversableLikeTraversableOnce
  33. def filter (p: (A) ⇒ Boolean) : TraversableView[A, Coll]

    Selects all elements of this collection which satisfy a predicate.

    Selects all elements of this collection which satisfy a predicate.

    p

    the predicate used to test elements.

    returns

    a new collection consisting of all elements of this collection that satisfy the given predicate p. The order of the elements is preserved.

    definition classes: TraversableViewLikeTraversableLike
  34. def filterNot (p: (A) ⇒ Boolean) : TraversableView[A, Coll]

    Selects all elements of this collection which do not satisfy a predicate.

    Selects all elements of this collection which do not satisfy a predicate.

    p

    the predicate used to test elements.

    returns

    a new collection consisting of all elements of this collection that do not satisfy the given predicate p. The order of the elements is preserved.

    definition classes: TraversableLike
  35. def finalize () : Unit

    This method is called by the garbage collector on the receiver object when garbage collection determines that there are no more references to the object.

    This method is called by the garbage collector on the receiver object when garbage collection determines that there are no more references to the object.

    The details of when and if the finalize method are invoked, as well as the interaction between finalizeand non-local returns and exceptions, are all platform dependent.

    attributes: protected
    definition classes: AnyRef
  36. def find (p: (A) ⇒ Boolean) : Option[A]

    Finds the first element of the collection satisfying a predicate, if any.

    Finds the first element of the collection satisfying a predicate, if any.

    Note: may not terminate for infinite-sized collections.

    Note: might return different results for different runs, unless the underlying collection type is ordered.

    p

    the predicate used to test elements.

    returns

    an option value containing the first element in the collection that satisfies p, or None if none exists.

    definition classes: TraversableLikeTraversableOnce
  37. def flatMap [B] (f: (A) ⇒ Traversable[B]) : CC[B]

    [use case] Builds a new collection by applying a function to all elements of this collection and concatenating the results.

    [use case]

    Builds a new collection by applying a function to all elements of this collection and concatenating the results.

    B

    the element type of the returned collection.

    f

    the function to apply to each element.

    returns

    a new collection resulting from applying the given collection-valued function f to each element of this collection and concatenating the results.

    attributes: abstract
    definition classes: TraversableLike
  38. def flatMap [B, That] (f: (A) ⇒ Traversable[B])(implicit bf: CanBuildFrom[TraversableView[A, Coll], B, That]) : That

    Builds a new collection by applying a function to all elements of this collection and concatenating the results.

    Builds a new collection by applying a function to all elements of this collection and concatenating the results.

    B

    the element type of the returned collection.

    That

    the class of the returned collection. Where possible, That is the same class as the current collection class Repr, but this depends on the element type B being admissible for that class, which means that an implicit instance of type CanBuildFrom[Repr, B, That] is found.

    f

    the function to apply to each element.

    bf

    an implicit value of class CanBuildFrom which determines the result class That from the current representation type Repr and and the new element type B.

    returns

    a new collection of type That resulting from applying the given collection-valued function f to each element of this collection and concatenating the results.

    definition classes: TraversableViewLikeTraversableLikeFilterMonadic
  39. def flatten [B] : CC[B]

    [use case] Converts this collection of traversable collections into a collection in which all element collections are concatenated.

    [use case]

    Converts this collection of traversable collections into a collection in which all element collections are concatenated.

    B

    the type of the elements of each traversable collection.

    returns

    a new collection resulting from concatenating all element collections.

    attributes: abstract
    definition classes: GenericTraversableTemplate
  40. def flatten [B] (implicit asTraversable: (A) ⇒ Traversable[B]) : Traversable[B]

    Converts this collection of traversable collections into a collection in which all element collections are concatenated.

    Converts this collection of traversable collections into a collection in which all element collections are concatenated.

    B

    the type of the elements of each traversable collection.

    asTraversable

    an implicit conversion which asserts that the element type of this collection is a Traversable.

    returns

    a new collection resulting from concatenating all element collections.

    definition classes: GenericTraversableTemplate
  41. def foldLeft [B] (z: B)(op: (B, A) ⇒ B) : B

    Applies a binary operator to a start value and all elements of this collection, going left to right.

    Applies a binary operator to a start value and all elements of this collection, going left to right.

    Note: will not terminate for infinite-sized collections.

    Note: might return different results for different runs, unless the underlying collection type is ordered. or the operator is associative and commutative.

    B

    the result type of the binary operator.

    z

    the start value.

    op

    the binary operator.

    returns

    the result of inserting op between consecutive elements of this collection, going left to right with the start value z on the left: op(...op(z, x1), x2, ..., xn) where x,,1,,, ..., x,,n,, are the elements of this collection.

    definition classes: TraversableOnce
  42. def foldRight [B] (z: B)(op: (A, B) ⇒ B) : B

    Applies a binary operator to all elements of this collection and a start value, going right to left.

    Applies a binary operator to all elements of this collection and a start value, going right to left.

    Note: will not terminate for infinite-sized collections.

    Note: might return different results for different runs, unless the underlying collection type is ordered. or the operator is associative and commutative.

    B

    the result type of the binary operator.

    z

    the start value.

    op

    the binary operator.

    returns

    the result of inserting op between consecutive elements of this collection, going right to left with the start value z on the right: op(x1, op(x2, ... op(xn, z)...)) where x,,1,,, ..., x,,n,, are the elements of this collection.

    definition classes: TraversableOnce
  43. def forall (p: (A) ⇒ Boolean) : Boolean

    Tests whether a predicate holds for all elements of this collection.

    Tests whether a predicate holds for all elements of this collection.

    Note: may not terminate for infinite-sized collections.

    p

    the predicate used to test elements.

    returns

    true if the given predicate p holds for all elements of this collection, otherwise false.

    definition classes: TraversableLikeTraversableOnce
  44. def force [B >: A, That] (implicit bf: CanBuildFrom[Coll, B, That]) : That

    definition classes: TraversableViewLike
  45. def foreach (f: (A) ⇒ Unit) : Unit

    [use case] Applies a function f to all elements of this collection.

    [use case]

    Applies a function f to all elements of this collection.

    f

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

    attributes: abstract
    definition classes: GenericTraversableTemplate
  46. def foreach [U] (f: (A) ⇒ U) : Unit

    Applies a function f to all elements of this collection.

    Applies a function f to all elements of this collection.

    U

    the type parameter describing the result of function f. This result will always be ignored. Typically U is Unit, but this is not necessary.

    f

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

  47. val from : Int

    attributes: protected[this] abstract
  48. def genericBuilder [B] : Builder[B, Traversable[B]]

    The generic builder that builds instances of CC at arbitrary element types.

    The generic builder that builds instances of CC at arbitrary element types.

    definition classes: GenericTraversableTemplate
  49. def getClass () : java.lang.Class[_ <: java.lang.Object]

    Returns a representation that corresponds to the dynamic class of the receiver object.

    Returns a representation that corresponds to the dynamic class of the receiver object.

    The nature of the representation is platform dependent.

    returns

    a representation that corresponds to the dynamic class of the receiver object.

    attributes: final
    definition classes: AnyRef
  50. def groupBy [K] (f: (A) ⇒ K) : Map[K, TraversableView[A, Coll]]

    Partitions this collection into a map of collections according to some discriminator function.

    Partitions this collection into a map of collections according to some discriminator function.

    Note: this method is not re-implemented by views. This means when applied to a view it will always force the view and return a new collection.

    K

    the type of keys returned by the discriminator function.

    f

    the discriminator function.

    returns

    A map from keys to collections such that the following invariant holds: (xs partition f)(k) = xs filter (x => f(x) == k) That is, every key k is bound to a collection of those elements x for which f(x) equals k.

    definition classes: TraversableViewLikeTraversableLike
  51. def hasDefiniteSize : Boolean

    Tests whether this collection is known to have a finite size.

    Tests whether this collection is known to have a finite size. All strict collections are known to have finite size. For a non-strict collection such as Stream, the predicate returns true if all elements have been computed. It returns false if the stream is not yet evaluated to the end.

    Note: many collection methods will not work on collections of infinite sizes.

    returns

    true if this collection is known to have finite size, false otherwise.

    definition classes: TraversableLikeTraversableOnce
  52. def hashCode () : Int

    Returns a hash code value for the object.

    Returns a hash code value for the object.

    The default hashing algorithm is platform dependent.

    Note that it is allowed for two objects to have identical hash codes (o1.hashCode.equals(o2.hashCode)) yet not be equal (o1.equals(o2) returns false). A degenerate implementation could always return 0. However, it is required that if two objects are equal (o1.equals(o2) returns true) that they have identical hash codes (o1.hashCode.equals(o2.hashCode)). Therefore, when overriding this method, be sure to verify that the behavior is consistent with the equals method.

    returns

    the hash code value for the object.

    definition classes: AnyRef → Any
  53. def head : A

    Selects the first element of this collection.

    Selects the first element of this collection.

    Note: might return different results for different runs, unless the underlying collection type is ordered.

    returns

    the first element of this collection.

    definition classes: TraversableLike
  54. def headOption : Option[A]

    Optionally selects the first element.

    Optionally selects the first element.

    Note: might return different results for different runs, unless the underlying collection type is ordered.

    returns

    the first element of this collection if it is nonempty, None if it is empty.

    definition classes: TraversableLike
  55. def init : TraversableView[A, Coll]

    Selects all elements except the last.

    Selects all elements except the last.

    Note: might return different results for different runs, unless the underlying collection type is ordered.

    returns

    a collection consisting of all elements of this collection except the last one.

    definition classes: TraversableViewLikeTraversableLike
  56. def isEmpty : Boolean

    Tests whether this collection is empty.

    Tests whether this collection is empty.

    returns

    true if the collection contain no elements, false otherwise.

    definition classes: TraversableLikeTraversableOnce
  57. def isInstanceOf [T0] : Boolean

    This method is used to test whether the dynamic type of the receiver object is T0.

    This method is used to test whether the dynamic type of the receiver object is T0.

    Note that the test result of the test is modulo Scala's erasure semantics. Therefore the expression1.isInstanceOf[String] will return false, while the expression List(1).isInstanceOf[List[String]] will return true. In the latter example, because the type argument is erased as part of compilation it is not possible to check whether the contents of the list are of the requested typed.

    returns

    true if the receiver object is an instance of erasure of type T0; false otherwise.

    attributes: final
    definition classes: Any
  58. def isTraversableAgain : Boolean

    Tests whether this collection can be repeatedly traversed.

    Tests whether this collection can be repeatedly traversed.

    returns

    true

    attributes: final
    definition classes: TraversableLikeTraversableOnce
  59. def last : A

    Selects the last element.

    Selects the last element.

    Note: might return different results for different runs, unless the underlying collection type is ordered.

    returns

    The last element of this collection.

    definition classes: TraversableLike
  60. def lastOption : Option[A]

    Optionally selects the last element.

    Optionally selects the last element.

    Note: might return different results for different runs, unless the underlying collection type is ordered.

    returns

    the last element of this collection$ if it is nonempty, None if it is empty.

    definition classes: TraversableLike
  61. def map [B] (f: (A) ⇒ B) : CC[B]

    [use case] Builds a new collection by applying a function to all elements of this collection.

    [use case]

    Builds a new collection by applying a function to all elements of this collection.

    B

    the element type of the returned collection.

    f

    the function to apply to each element.

    returns

    a new collection resulting from applying the given function f to each element of this collection and collecting the results.

    attributes: abstract
    definition classes: TraversableLike
  62. def map [B, That] (f: (A) ⇒ B)(implicit bf: CanBuildFrom[TraversableView[A, Coll], B, That]) : That

    Builds a new collection by applying a function to all elements of this collection.

    Builds a new collection by applying a function to all elements of this collection.

    B

    the element type of the returned collection.

    That

    the class of the returned collection. Where possible, That is the same class as the current collection class Repr, but this depends on the element type B being admissible for that class, which means that an implicit instance of type CanBuildFrom[Repr, B, That] is found.

    f

    the function to apply to each element.

    bf

    an implicit value of class CanBuildFrom which determines the result class That from the current representation type Repr and and the new element type B.

    returns

    a new collection of type That resulting from applying the given function f to each element of this collection and collecting the results.

    definition classes: TraversableViewLikeTraversableLikeFilterMonadic
  63. def max : A

    [use case] Finds the largest element.

    [use case]

    Finds the largest element.

    returns

    the largest element of this collection.

    attributes: abstract
    definition classes: TraversableOnce
  64. def max [B >: A] (implicit cmp: Ordering[B]) : A

    Finds the largest element.

    Finds the largest element.

    B

    The type over which the ordering is defined.

    cmp

    An ordering to be used for comparing elements.

    returns

    the largest element of this collection with respect to the ordering cmp.

    definition classes: TraversableOnce
  65. def min : A

    [use case] Finds the smallest element.

    [use case]

    Finds the smallest element.

    returns

    the smallest element of this collection

    attributes: abstract
    definition classes: TraversableOnce
  66. def min [B >: A] (implicit cmp: Ordering[B]) : A

    Finds the smallest element.

    Finds the smallest element.

    B

    The type over which the ordering is defined.

    cmp

    An ordering to be used for comparing elements.

    returns

    the smallest element of this collection with respect to the ordering cmp.

    definition classes: TraversableOnce
  67. def mkString : String

    Displays all elements of this collection in a string.

    Displays all elements of this collection in a string.

    returns

    a string representation of this collection. In the resulting string the string representations (w.r.t. the method toString) of all elements of this collection follow each other without any separator string.

    definition classes: TraversableOnce
  68. def mkString (sep: String) : String

    Displays all elements of this collection in a string using a separator string.

    Displays all elements of this collection in a string using a separator string.

    sep

    the separator string.

    returns

    a string representation of this collection. In the resulting string the string representations (w.r.t. the method toString) of all elements of this collection are separated by the string sep.

    definition classes: TraversableOnce
  69. def mkString (start: String, sep: String, end: String) : String

    Displays all elements of this collection in a string using start, end, and separator strings.

    Displays all elements of this collection in a string using start, end, and separator strings.

    start

    the starting string.

    sep

    the separator string.

    end

    the ending string.

    returns

    a string representation of this collection. The resulting string begins with the string start and ends with the string end. Inside, the string representations (w.r.t. the method toString) of all elements of this collection are separated by the string sep.

    definition classes: TraversableOnce
  70. def ne (arg0: AnyRef) : Boolean

    o.ne(arg0) is the same as !(o.eq(arg0)).

    o.ne(arg0) is the same as !(o.eq(arg0)).

    arg0

    the object to compare against this object for reference dis-equality.

    returns

    false if the argument is not a reference to the receiver object; true otherwise.

    attributes: final
    definition classes: AnyRef
  71. def newAppended [B >: A] (that: Traversable[B]) : Transformed[B]

    attributes: protected
    definition classes: TraversableViewLike
  72. def newBuilder : Builder[A, TraversableView[A, Coll]]

    The builder that builds instances of type CC[A]

    The builder that builds instances of type CC[A]

    attributes: protected[this]
  73. def newDroppedWhile (p: (A) ⇒ Boolean) : Transformed[A]

    attributes: protected
    definition classes: TraversableViewLike
  74. def newFiltered (p: (A) ⇒ Boolean) : Transformed[A]

    attributes: protected
    definition classes: TraversableViewLike
  75. def newFlatMapped [B] (f: (A) ⇒ Traversable[B]) : Transformed[B]

    attributes: protected
    definition classes: TraversableViewLike
  76. def newForced [B] (xs: ⇒ Seq[B]) : Transformed[B]

    Boilerplate method, to override in each subclass This method could be eliminated if Scala had virtual classes

    Boilerplate method, to override in each subclass This method could be eliminated if Scala had virtual classes

    attributes: protected
    definition classes: TraversableViewLike
  77. def newMapped [B] (f: (A) ⇒ B) : Transformed[B]

    attributes: protected
    definition classes: TraversableViewLike
  78. def newSliced (_from: Int, _until: Int) : Transformed[A]

    attributes: protected
    definition classes: TraversableViewLike
  79. def newTakenWhile (p: (A) ⇒ Boolean) : Transformed[A]

    attributes: protected
    definition classes: TraversableViewLike
  80. def nonEmpty : Boolean

    Tests whether the collection is not empty.

    Tests whether the collection is not empty.

    returns

    true if the collection contains at least one element, false otherwise.

    definition classes: TraversableOnce
  81. def notify () : Unit

    Wakes up a single thread that is waiting on the receiver object's monitor.

    Wakes up a single thread that is waiting on the receiver object's monitor.

    attributes: final
    definition classes: AnyRef
  82. def notifyAll () : Unit

    Wakes up all threads that are waiting on the receiver object's monitor.

    Wakes up all threads that are waiting on the receiver object's monitor.

    attributes: final
    definition classes: AnyRef
  83. def partition (p: (A) ⇒ Boolean) : (TraversableView[A, Coll], TraversableView[A, Coll])

    Partitions this collection in two collections according to a predicate.

    Partitions this collection in two collections according to a predicate.

    p

    the predicate on which to partition.

    returns

    a pair of collections: the first collection consists of all elements that satisfy the predicate p and the second collection consists of all elements that don't. The relative order of the elements in the resulting collections is the same as in the original collection.

    definition classes: TraversableViewLikeTraversableLike
  84. def product : A

    [use case] Multiplies up the elements of this collection.

    [use case]

    Multiplies up the elements of this collection.

    returns

    the product of all elements in this collection of numbers of type Int. Instead of Int, any other type T with an implicit Numeric[T] implementation can be used as element type of the collection and as result type of product. Examples of such types are: Long, Float, Double, BigInt.

    attributes: abstract
    definition classes: TraversableOnce
  85. def product [B >: A] (implicit num: Numeric[B]) : B

    Multiplies up the elements of this collection.

    Multiplies up the elements of this collection.

    B

    the result type of the * operator.

    num

    an implicit parameter defining a set of numeric operations which includes the * operator to be used in forming the product.

    returns

    the product of all elements of this collection with respect to the * operator in num.

    definition classes: TraversableOnce
  86. def reduceLeft [B >: A] (op: (B, A) ⇒ B) : B

    Applies a binary operator to all elements of this collection, going left to right.

    Applies a binary operator to all elements of this collection, going left to right.

    Note: will not terminate for infinite-sized collections.

    Note: might return different results for different runs, unless the underlying collection type is ordered. or the operator is associative and commutative.

    B

    the result type of the binary operator.

    op

    the binary operator.

    returns

    the result of inserting op between consecutive elements of this collection, going left to right: op(...(op(x1, x2), ... ) , xn) where x,,1,,, ..., x,,n,, are the elements of this collection.

    definition classes: TraversableOnce
  87. def reduceLeftOption [B >: A] (op: (B, A) ⇒ B) : Option[B]

    Optionally applies a binary operator to all elements of this collection, going left to right.

    Optionally applies a binary operator to all elements of this collection, going left to right.

    Note: will not terminate for infinite-sized collections.

    Note: might return different results for different runs, unless the underlying collection type is ordered. or the operator is associative and commutative.

    B

    the result type of the binary operator.

    op

    the binary operator.

    returns

    an option value containing the result of reduceLeft(op) is this collection is nonempty, None otherwise.

    definition classes: TraversableOnce
  88. def reduceRight [B >: A] (op: (A, B) ⇒ B) : B

    Applies a binary operator to all elements of this collection, going right to left.

    Applies a binary operator to all elements of this collection, going right to left.

    Note: will not terminate for infinite-sized collections.

    Note: might return different results for different runs, unless the underlying collection type is ordered. or the operator is associative and commutative.

    B

    the result type of the binary operator.

    op

    the binary operator.

    returns

    the result of inserting op between consecutive elements of this collection, going right to left: op(x1, op(x2, ..., op(xn-1, xn)...)) where x,,1,,, ..., x,,n,, are the elements of this collection.

    definition classes: TraversableOnce
  89. def reduceRightOption [B >: A] (op: (A, B) ⇒ B) : Option[B]

    Optionally applies a binary operator to all elements of this collection, going right to left.

    Optionally applies a binary operator to all elements of this collection, going right to left.

    Note: will not terminate for infinite-sized collections.

    Note: might return different results for different runs, unless the underlying collection type is ordered. or the operator is associative and commutative.

    B

    the result type of the binary operator.

    op

    the binary operator.

    returns

    an option value containing the result of reduceRight(op) is this collection is nonempty, None otherwise.

    definition classes: TraversableOnce
  90. def repr : TraversableView[A, Coll]

    The collection of type collection underlying this TraversableLike object.

    The collection of type collection underlying this TraversableLike object. By default this is implemented as the TraversableLike object itself, but this can be overridden.

    definition classes: TraversableLike
  91. def reversed : List[A]

    attributes: protected[this]
    definition classes: TraversableOnce
  92. def scanLeft [B, That] (z: B)(op: (B, A) ⇒ B)(implicit bf: CanBuildFrom[TraversableView[A, Coll], B, That]) : That

    Produces a collection containing cummulative results of applying the operator going left to right.

    Produces a collection containing cummulative results of applying the operator going left to right.

    Note: will not terminate for infinite-sized collections.

    Note: might return different results for different runs, unless the underlying collection type is ordered.

    B

    the type of the elements in the resulting collection

    That

    the actual type of the resulting collection

    z

    the initial value

    op

    the binary operator applied to the intermediate result and the element

    bf

    an implicit value of class CanBuildFrom which determines the result class That from the current representation type Repr and and the new element type B.

    returns

    collection with intermediate results

    definition classes: TraversableViewLikeTraversableLike
  93. def scanRight [B, That] (z: B)(op: (A, B) ⇒ B)(implicit bf: CanBuildFrom[TraversableView[A, Coll], B, That]) : That

    Produces a collection containing cummulative results of applying the operator going right to left.

    Produces a collection containing cummulative results of applying the operator going right to left.

    Note: will not terminate for infinite-sized collections.

    Note: might return different results for different runs, unless the underlying collection type is ordered.

    B

    the type of the elements in the resulting collection

    That

    the actual type of the resulting collection

    z

    the initial value

    op

    the binary operator applied to the intermediate result and the element

    bf

    an implicit value of class CanBuildFrom which determines the result class That from the current representation type Repr and and the new element type B.

    returns

    collection with intermediate results

    definition classes: TraversableViewLikeTraversableLike
  94. def size : Int

    The size of this collection.

    The size of this collection.

    Note: will not terminate for infinite-sized collections.

    returns

    the number of elements in this collection.

    definition classes: TraversableOnce
  95. def slice (from1: Int, until1: Int) : This

    Selects an interval of elements.

    Selects an interval of elements.

    Note: c.slice(from, to) is equivalent to (but possibly more efficient than) c.drop(from).take(to - from)

    Note: might return different results for different runs, unless the underlying collection type is ordered.

    returns

    a collection containing the elements starting at index from and extending up to (but not including) index until of this collection.

    definition classes: SlicedTraversableViewLikeTraversableLike
  96. def span (p: (A) ⇒ Boolean) : (TraversableView[A, Coll], TraversableView[A, Coll])

    Splits this collection into a prefix/suffix pair according to a predicate.

    Splits this collection into a prefix/suffix pair according to a predicate.

    Note: c span p is equivalent to (but possibly more efficient than) (c takeWhile p, c dropWhile p), provided the evaluation of the predicate p does not cause any side-effects.

    Note: might return different results for different runs, unless the underlying collection type is ordered.

    p

    the test predicate

    returns

    a pair consisting of the longest prefix of this collection whose elements all satisfy p, and the rest of this collection.

    definition classes: TraversableViewLikeTraversableLike
  97. def splitAt (n: Int) : (TraversableView[A, Coll], TraversableView[A, Coll])

    Splits this collection into two at a given position.

    Splits this collection into two at a given position. Note: c splitAt n is equivalent to (but possibly more efficient than) (c take n, c drop n).

    Note: might return different results for different runs, unless the underlying collection type is ordered.

    n

    the position at which to split.

    returns

    a pair of collections consisting of the first n elements of this collection, and the other elements.

    definition classes: TraversableViewLikeTraversableLike
  98. def stringPrefix : String

    Defines the prefix of this object's toString representation.

    Defines the prefix of this object's toString representation.

    returns

    a string representation which starts the result of toString applied to this collection. By default the string prefix is the simple name of the collection class collection.

    definition classes: SlicedTraversableViewLikeTraversableLike
  99. def sum : A

    [use case] Sums up the elements of this collection.

    [use case]

    Sums up the elements of this collection.

    returns

    the sum of all elements in this collection of numbers of type Int. Instead of Int, any other type T with an implicit Numeric[T] implementation can be used as element type of the collection and as result type of sum. Examples of such types are: Long, Float, Double, BigInt.

    attributes: abstract
    definition classes: TraversableOnce
  100. def sum [B >: A] (implicit num: Numeric[B]) : B

    Sums up the elements of this collection.

    Sums up the elements of this collection.

    B

    the result type of the + operator.

    num

    an implicit parameter defining a set of numeric operations which includes the + operator to be used in forming the sum.

    returns

    the sum of all elements of this collection with respect to the + operator in num.

    definition classes: TraversableOnce
  101. def synchronized [T0] (arg0: T0) : T0

    attributes: final
    definition classes: AnyRef
  102. def tail : TraversableView[A, Coll]

    Selects all elements except the first.

    Selects all elements except the first.

    Note: might return different results for different runs, unless the underlying collection type is ordered.

    returns

    a collection consisting of all elements of this collection except the first one.

    definition classes: TraversableLike
  103. def take (n: Int) : TraversableView[A, Coll]

    Selects first n elements.

    Selects first n elements.

    Note: might return different results for different runs, unless the underlying collection type is ordered.

    n

    Tt number of elements to take from this collection.

    returns

    a collection consisting only of the first n elements of this collection, or else the whole collection, if it has less than n elements.

    definition classes: TraversableViewLikeTraversableLike
  104. def takeWhile (p: (A) ⇒ Boolean) : TraversableView[A, Coll]

    Takes longest prefix of elements that satisfy a predicate.

    Takes longest prefix of elements that satisfy a predicate.

    Note: might return different results for different runs, unless the underlying collection type is ordered.

    p

    The predicate used to test elements.

    returns

    the longest prefix of this collection whose elements all satisfy the predicate p.

    definition classes: TraversableViewLikeTraversableLike
  105. def thisCollection : Traversable[A]

    The underlying collection seen as an instance of CC.

    The underlying collection seen as an instance of CC. By default this is implemented as the current collection object itself, but this can be overridden.

    attributes: protected[this]
    definition classes: TraversableLike
  106. def thisSeq : Seq[A]

    attributes: protected[this]
    definition classes: TraversableViewLike
  107. def toArray : Array[A]

    [use case] Converts this collection to an array.

    [use case]

    Converts this collection to an array.

    Note: will not terminate for infinite-sized collections.

    returns

    an array containing all elements of this collection. A ClassManifest must be available for the element type of this collection.

    attributes: abstract
    definition classes: TraversableOnce
  108. def toArray [B >: A] (implicit arg0: ClassManifest[B]) : Array[B]

    Converts this collection to an array.

    Converts this collection to an array.

    Note: will not terminate for infinite-sized collections.

    B

    the type of the elements of the array. A ClassManifest for this type must be available.

    returns

    an array containing all elements of this collection.

    definition classes: TraversableOnce
  109. def toBuffer [B >: A] : Buffer[B]

    Converts this collection to a mutable buffer.

    Converts this collection to a mutable buffer.

    Note: will not terminate for infinite-sized collections.

    returns

    a buffer containing all elements of this collection.

    definition classes: TraversableOnce
  110. def toCollection (repr: TraversableView[A, Coll]) : Traversable[A]

    A conversion from collections of type Repr to CC objects.

    A conversion from collections of type Repr to CC objects. By default this is implemented as just a cast, but this can be overridden.

    attributes: protected[this]
    definition classes: TraversableLike
  111. def toIndexedSeq [B >: A] : IndexedSeq[B]

    Converts this collection to an indexed sequence.

    Converts this collection to an indexed sequence.

    Note: will not terminate for infinite-sized collections.

    returns

    an indexed sequence containing all elements of this collection.

    definition classes: TraversableOnce
  112. def toIterable : Iterable[A]

    Converts this collection to an iterable collection.

    Converts this collection to an iterable collection. Note that the choice of target Iterable is lazy in this default implementation as this TraversableOnce may be lazy and unevaluated (i.e. it may be an iterator which is only traversable once).

    Note: will not terminate for infinite-sized collections.

    returns

    an Iterable containing all elements of this collection.

    definition classes: TraversableOnce
  113. def toIterator : Iterator[A]

    Returns an Iterator over the elements in this collection.

    Returns an Iterator over the elements in this collection. Will return the same Iterator if this instance is already an Iterator.

    Note: will not terminate for infinite-sized collections.

    returns

    an Iterator containing all elements of this collection.

    definition classes: TraversableLikeTraversableOnce
  114. def toList : List[A]

    Converts this collection to a list.

    Converts this collection to a list.

    Note: will not terminate for infinite-sized collections.

    returns

    a list containing all elements of this collection.

    definition classes: TraversableOnce
  115. def toMap [T, U] (implicit ev: <:<[A, (T, U)]) : Map[T, U]

    Converts this collection to a map.

    Converts this collection to a map. This method is unavailable unless the elements are members of Tuple2, each ((K, V)) becoming a key-value pair in the map. Duplicate keys will be overwritten by later keys: if this is an unordered collection, which key is in the resulting map is undefined.

    Note: will not terminate for infinite-sized collections.

    returns

    a map containing all elements of this collection.

    definition classes: TraversableOnce
  116. def toSeq : Seq[A]

    Converts this collection to a sequence.

    Converts this collection to a sequence. As with toIterable, it's lazy in this default implementation, as this TraversableOnce may be lazy and unevaluated.

    Note: will not terminate for infinite-sized collections.

    returns

    a sequence containing all elements of this collection.

    definition classes: TraversableOnce
  117. def toSet [B >: A] : Set[B]

    Converts this collection to a set.

    Converts this collection to a set.

    Note: will not terminate for infinite-sized collections.

    returns

    a set containing all elements of this collection.

    definition classes: TraversableOnce
  118. def toStream : Stream[A]

    Converts this collection to a stream.

    Converts this collection to a stream.

    Note: will not terminate for infinite-sized collections.

    returns

    a stream containing all elements of this collection.

    definition classes: TraversableLikeTraversableOnce
  119. def toString () : String

    Converts this collection to a string.

    Converts this collection to a string.

    returns

    a string representation of this collection. By default this string consists of the stringPrefix of this collection, followed by all elements separated by commas and enclosed in parentheses.

    definition classes: TransformedTraversableLike → AnyRef → Any
  120. def toTraversable : Traversable[A]

    Converts this collection to an unspecified Traversable.

    Converts this collection to an unspecified Traversable. Will return the same collection if this instance is already Traversable.

    Note: will not terminate for infinite-sized collections.

    returns

    a Traversable containing all elements of this collection.

    definition classes: TraversableLikeTraversableOnce
  121. def transpose [B] (implicit asTraversable: (A) ⇒ Traversable[B]) : Traversable[Traversable[B]]

    Transposes this collection of traversable collections into a collection of collections.

    Transposes this collection of traversable collections into a collection of collections.

    B

    the type of the elements of each traversable collection.

    asTraversable

    an implicit conversion which asserts that the element type of this collection is a Traversable.

    returns

    a two-dimensional collection of collections which has as nth row the nth column of this collection.

    definition classes: GenericTraversableTemplate
  122. lazy val underlying : Coll

    definition classes: TransformedTraversableViewLike
  123. val until : Int

    attributes: protected[this] abstract
  124. def unzip [A1, A2] (implicit asPair: (A) ⇒ (A1, A2)) : (Traversable[A1], Traversable[A2])

    Converts this collection of pairs into two collections of the first and second halfs of each pair.

    Converts this collection of pairs into two collections of the first and second halfs of each pair.

    asPair

    an implicit conversion which asserts that the element type of this collection is a pair.

    returns

    a pair collections, containing the first, respectively second half of each element pair of this collection.

    definition classes: GenericTraversableTemplate
  125. def view (from: Int, until: Int) : TraversableView[A, TraversableView[A, Coll]]

    Creates a non-strict view of a slice of this collection.

    Creates a non-strict view of a slice of this collection.

    Note: the difference between view and slice is that view produces a view of the current collection, whereas slice produces a new collection.

    Note: view(from, to) is equivalent to view.slice(from, to)

    Note: might return different results for different runs, unless the underlying collection type is ordered.

    from

    the index of the first element of the view

    until

    the index of the element following the view

    returns

    a non-strict view of a slice of this collection, starting at index from and extending up to (but not including) index until.

    definition classes: TraversableLike
  126. def view : TraversableView[A, TraversableView[A, Coll]]

    Creates a non-strict view of this collection.

    Creates a non-strict view of this collection.

    returns

    a non-strict view of this collection.

    definition classes: TraversableLike
  127. def wait () : Unit

    attributes: final
    definition classes: AnyRef
  128. def wait (arg0: Long, arg1: Int) : Unit

    attributes: final
    definition classes: AnyRef
  129. def wait (arg0: Long) : Unit

    attributes: final
    definition classes: AnyRef
  130. def withFilter (p: (A) ⇒ Boolean) : TraversableView[A, Coll]

    Creates a non-strict filter of this collection.

    Creates a non-strict filter of this collection.

    Note: the difference between c filter p and c withFilter p is that the former creates a new collection, whereas the latter only restricts the domain of subsequent map, flatMap, foreach, and withFilter operations.

    Note: might return different results for different runs, unless the underlying collection type is ordered.

    p

    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 collection which satisfy the predicate p.

    definition classes: TraversableViewLikeTraversableLikeFilterMonadic

Inherited from Transformed[A]

Inherited from TraversableView[A, Coll]

Inherited from TraversableViewLike[A, Coll, TraversableView[A, Coll]]

Inherited from Traversable[A]

Inherited from GenericTraversableTemplate[A, Traversable]

Inherited from TraversableLike[A, TraversableView[A, Coll]]

Inherited from TraversableOnce[A]

Inherited from FilterMonadic[A, TraversableView[A, Coll]]

Inherited from HasNewBuilder[A, TraversableView[A, Coll]]

Inherited from AnyRef

Inherited from Any