scala.collection

Set

trait Set [A] extends (A) ⇒ Boolean with Iterable[A] with GenSet[A] with GenericSetTemplate[A, Set] with SetLike[A, Set[A]]

A base trait for all sets, mutable as well as immutable.

A set is a collection that contains no duplicate elements.

Implementation note: This trait provides most of the operations of a Set independently of its representation. It is typically inherited by concrete implementations of sets.

To implement a concrete set, you need to provide implementations of the following methods:

      def contains(key: A): Boolean
      def iterator: Iterator[A]
      def +(elem: A): This
      def -(elem: A): This

If you wish that methods like take, drop, filter return the same kind of set, you should also override:

      def empty: This

It is also good idea to override methods foreach and size for efficiency.

Implementation note: If your additions and mutations return the same kind of set as the set you are defining, you should inherit from SetLike as well.

Source
Set.scala
Since

1.0

Linear Supertypes
SetLike[A, Set[A]], Subtractable[A, Set[A]], GenSet[A], GenericSetTemplate[A, Set], GenSetLike[A, Set[A]], Iterable[A], IterableLike[A, Set[A]], Equals, GenIterable[A], GenIterableLike[A, Set[A]], Traversable[A], GenTraversable[A], GenericTraversableTemplate[A, Set], TraversableLike[A, Set[A]], GenTraversableLike[A, Set[A]], Parallelizable[A, ParSet[A]], TraversableOnce[A], GenTraversableOnce[A], FilterMonadic[A, Set[A]], HasNewBuilder[A, Set[A]], (A) ⇒ Boolean, AnyRef, Any
Known Subclasses
Ordering
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Inherited
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  1. Set
  2. SetLike
  3. Subtractable
  4. GenSet
  5. GenericSetTemplate
  6. GenSetLike
  7. Iterable
  8. IterableLike
  9. Equals
  10. GenIterable
  11. GenIterableLike
  12. Traversable
  13. GenTraversable
  14. GenericTraversableTemplate
  15. TraversableLike
  16. GenTraversableLike
  17. Parallelizable
  18. TraversableOnce
  19. GenTraversableOnce
  20. FilterMonadic
  21. HasNewBuilder
  22. Function1
  23. AnyRef
  24. Any
Visibility
  1. Public
  2. All

Type Members

  1. type Self = Set[A]

    The type implementing this traversable

    The type implementing this traversable

    Attributes
    protected
    Definition Classes
    TraversableLike
  2. class WithFilter extends FilterMonadic[A, Repr]

    A class supporting filtered operations.

Abstract Value Members

  1. def + (elem: A): Set[A]

    Creates a new set with an additional element, unless the element is already present.

    Creates a new set with an additional element, unless the element is already present.

    elem

    the element to be added

    returns

    a new set that contains all elements of this set and that also contains elem.

    Attributes
    abstract
    Definition Classes
    SetLike → GenSetLike
  2. def - (elem: A): Set[A]

    Creates a new set with a given element removed from this set.

    Creates a new set with a given element removed from this set.

    elem

    the element to be removed

    returns

    a new set that contains all elements of this set but that does not contain elem.

    Attributes
    abstract
    Definition Classes
    SetLikeSubtractable → GenSetLike
  3. def contains (elem: A): Boolean

    Tests if some element is contained in this set.

    Tests if some element is contained in this set.

    elem

    the element to test for membership.

    returns

    true if elem is contained in this set, false otherwise.

    Attributes
    abstract
    Definition Classes
    SetLike → GenSetLike
  4. def iterator : Iterator[A]

    Attributes
    abstract
    Definition Classes
    GenSetLike → GenIterableLike

Concrete Value Members

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

    Attributes
    final
    Definition Classes
    AnyRef
  2. def != (arg0: Any): Boolean

    Test two objects for inequality.

    Test two objects for inequality.

    returns

    true if !(this == that), false otherwise.

    Attributes
    final
    Definition Classes
    Any
  3. def ## (): Int

    Equivalent to x.hashCode except for boxed numeric types.

    Equivalent to x.hashCode except for boxed numeric types. For numerics, it returns a hash value which is consistent with value equality: if two value type instances compare as true, then ## will produce the same hash value for each of them.

    returns

    a hash value consistent with ==

    Attributes
    final
    Definition Classes
    AnyRef → Any
  4. def & (that: Set[A]): Set[A]

    Definition Classes
    GenSetLike
    Annotations
    @bridge()
  5. def & (that: GenSet[A]): Set[A]

    Computes the intersection between this set and another set.

    Computes the intersection between this set and another set.

    Note: Same as intersect.

    that

    the set to intersect with.

    returns

    a new set consisting of all elements that are both in this set and in the given set that.

    Definition Classes
    GenSetLike
  6. def &~ (that: Set[A]): Set[A]

    Definition Classes
    GenSetLike
    Annotations
    @bridge()
  7. def &~ (that: GenSet[A]): Set[A]

    The difference of this set and another set.

    The difference of this set and another set.

    Note: Same as diff.

    that

    the set of elements to exclude.

    returns

    a set containing those elements of this set that are not also contained in the given set that.

    Definition Classes
    GenSetLike
  8. def + (elem1: A, elem2: A, elems: A*): Set[A]

    Creates a new set with additional elements.

    Creates a new set with additional elements.

    This method takes two or more elements to be added. Another overloaded variant of this method handles the case where a single element is added.

    elem1

    the first element to add.

    elem2

    the second element to add.

    elems

    the remaining elements to add.

    returns

    a new set with the given elements added.

    Definition Classes
    SetLike
  9. def ++ (elems: TraversableOnce[A]): Set[A]

    Definition Classes
    SetLike
    Annotations
    @bridge()
  10. def ++ (elems: GenTraversableOnce[A]): Set[A]

    Creates a new set by adding all elements contained in another collection to this set.

    Creates a new set by adding all elements contained in another collection to this set.

    elems

    the collection containing the added elements.

    returns

    a new set with the given elements added.

    Definition Classes
    SetLike
  11. def ++ [B >: A, That] (that: TraversableOnce[B])(implicit bf: CanBuildFrom[Set[A], B, That]): That

    Definition Classes
    TraversableLike
    Annotations
    @bridge()
  12. def ++ [B] (that: GenTraversableOnce[B]): Set[B]

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

    [use case]

    Concatenates this set with the elements of a traversable collection.

    B

    the element type of the returned collection.

    that

    the traversable to append.

    returns

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

    Attributes
    abstract
    Definition Classes
    GenTraversableLike
  13. def ++ [B >: A, That] (that: GenTraversableOnce[B])(implicit bf: CanBuildFrom[Set[A], B, That]): That

    Concatenates this set with the elements of a traversable collection.

    Concatenates this set 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.

    that

    the traversable to append.

    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 set followed by all elements of that.

    Definition Classes
    TraversableLike → GenTraversableLike
  14. def ++: [B >: A, That] (that: Traversable[B])(implicit bf: CanBuildFrom[Set[A], B, That]): That

    This overload exists because: for the implementation of ++: we should reuse that of ++ because many collections override it with more efficient versions.

    This overload exists because: for the implementation of ++: we should reuse that of ++ because many collections override it with more efficient versions. Since TraversableOnce has no '++' method, we have to implement that directly, but Traversable and down can use the overload.

    Definition Classes
    TraversableLike
  15. def ++: [B] (that: TraversableOnce[B]): Set[B]

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

    [use case]

    Concatenates this set with the elements of a traversable collection. It differs from ++ in that the right operand determines the type of the resulting collection rather than the left one.

    B

    the element type of the returned collection.

    that

    the traversable to append.

    returns

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

    Attributes
    abstract
    Definition Classes
    TraversableLike
  16. def ++: [B >: A, That] (that: TraversableOnce[B])(implicit bf: CanBuildFrom[Set[A], B, That]): That

    Concatenates this set with the elements of a traversable collection.

    Concatenates this set with the elements of a traversable collection. It differs from ++ in that the right operand determines the type of the resulting collection rather than the left one.

    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.

    that

    the traversable to append.

    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 set followed by all elements of that.

    Definition Classes
    TraversableLike
  17. def - (elem1: A, elem2: A, elems: A*): Set[A]

    Creates a new set from this set with some elements removed.

    Creates a new set from this set with some elements removed.

    This method takes two or more elements to be removed. Another overloaded variant of this method handles the case where a single element is removed.

    elem1

    the first element to remove.

    elem2

    the second element to remove.

    elems

    the remaining elements to remove.

    returns

    a new set that contains all elements of the current set except one less occurrence of each of the given elements.

    Definition Classes
    Subtractable
  18. def -- (xs: TraversableOnce[A]): Set[A]

    Definition Classes
    Subtractable
    Annotations
    @bridge()
  19. def -- (xs: GenTraversableOnce[A]): Set[A]

    Creates a new set from this set by removing all elements of another collection.

    Creates a new set from this set by removing all elements of another collection.

    returns

    a new set that contains all elements of the current set except one less occurrence of each of the elements of elems.

    Definition Classes
    Subtractable
  20. def /: [B] (z: B)(op: (B, A) ⇒ B): B

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

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

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

    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 set, going left to right with the start value z on the left:

                op(...op(op(z, x,,1,,), x,,2,,), ..., x,,n,,)
    

    where x,,1,,, ..., x,,n,, are the elements of this set.

    Definition Classes
    TraversableOnceGenTraversableOnce
  21. def /:\ [A1 >: A] (z: A1)(op: (A1, A1) ⇒ A1): A1

    A syntactic sugar for out of order folding.

    A syntactic sugar for out of order folding. See fold.

    Definition Classes
    GenTraversableOnce
  22. def :\ [B] (z: B)(op: (A, B) ⇒ B): B

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

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

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

    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 set, going right to left with the start value z on the right:

                op(x,,1,,, op(x,,2,,, ... op(x,,n,,, z)...))
    

    where x,,1,,, ..., x,,n,, are the elements of this set.

    Definition Classes
    TraversableOnceGenTraversableOnce
  23. def == (arg0: AnyRef): Boolean

    Attributes
    final
    Definition Classes
    AnyRef
  24. def == (arg0: Any): Boolean

    Test two objects for equality.

    Test two objects for equality.

    returns

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

    Attributes
    final
    Definition Classes
    Any
  25. def addString (b: StringBuilder): StringBuilder

    Appends all elements of this set to a string builder.

    Appends all elements of this set to a string builder. The written text consists of the string representations (w.r.t. the method toString) of all elements of this set 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
  26. def addString (b: StringBuilder, sep: String): StringBuilder

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

    Appends all elements of this set 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 set, 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
  27. def addString (b: StringBuilder, start: String, sep: String, end: String): StringBuilder

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

    Appends all elements of this set 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 set 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
  28. def aggregate [B] (z: B)(seqop: (B, A) ⇒ B, combop: (B, B) ⇒ B): B

    Aggregates the results of applying an operator to subsequent elements.

    Aggregates the results of applying an operator to subsequent elements.

    This is a more general form of fold and reduce. It has similar semantics, but does not require the result to be a supertype of the element type. It traverses the elements in different partitions sequentially, using seqop to update the result, and then applies combop to results from different partitions. The implementation of this operation may operate on an arbitrary number of collection partitions, so combop may be invoked arbitrary number of times.

    For example, one might want to process some elements and then produce a Set. In this case, seqop would process an element and append it to the list, while combop would concatenate two lists from different partitions together. The initial value z would be an empty set.

       pc.aggregate(Set[Int]())(_ += process(_), _ ++ _)
    

    Another example is calculating geometric mean from a collection of doubles (one would typically require big doubles for this).

    z

    the initial value for the accumulated result of the partition - this will typically be the neutral element for the seqop operator (e.g. Nil for list concatenation or 0 for summation)

    seqop

    an operator used to accumulate results within a partition

    combop

    an associative operator used to combine results from different partitions

    Definition Classes
    TraversableOnceGenTraversableOnce
  29. def andThen [A] (g: (Boolean) ⇒ A): (A) ⇒ A

    Composes two instances of Function1 in a new Function1, with this function applied first.

    Composes two instances of Function1 in a new Function1, with this function applied first.

    A

    the result type of function g

    g

    a function R => A

    returns

    a new function f such that f(x) == g(apply(x))

    Definition Classes
    Function1
  30. def apply (elem: A): Boolean

    Tests if some element is contained in this set.

    Tests if some element is contained in this set.

    This method is equivalent to contains. It allows sets to be interpreted as predicates.

    elem

    the element to test for membership.

    returns

    true if elem is contained in this set, false otherwise.

    Definition Classes
    GenSetLike → Function1
  31. def asInstanceOf [T0] : T0

    Cast the receiver object to be of type T0.

    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 expression 1.asInstanceOf[String] will throw a ClassCastException at runtime, while the expression List(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 type.

    returns

    the receiver object.

    Attributes
    final
    Definition Classes
    Any
  32. def canEqual (that: Any): Boolean

    Method called from equality methods, so that user-defined subclasses can refuse to be equal to other collections of the same kind.

    Method called from equality methods, so that user-defined subclasses can refuse to be equal to other collections of the same kind.

    that

    The object with which this set should be compared

    returns

    true, if this set can possibly equal that, false otherwise. The test takes into consideration only the run-time types of objects but ignores their elements.

    Definition Classes
    IterableLikeEquals
  33. def clone (): AnyRef

    Create a copy of the receiver object.

    Create 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[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws()
  34. def collect [B] (pf: PartialFunction[A, B]): Set[B]

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

    [use case]

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

    B

    the element type of the returned collection.

    pf

    the partial function which filters and maps the set.

    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.

    Attributes
    abstract
    Definition Classes
    GenTraversableLike
  35. def collect [B, That] (pf: PartialFunction[A, B])(implicit bf: CanBuildFrom[Set[A], B, That]): That

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

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

    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
    TraversableLike → GenTraversableLike
  36. def collectFirst [B] (pf: PartialFunction[A, B]): Option[B]

    Finds the first element of the set for which the given partial function is defined, and applies the partial function to it.

    Finds the first element of the set for which the given partial function is defined, and applies the partial function to it.

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

    pf

    the partial function

    returns

    an option value containing pf applied to the first value for which it is defined, or None if none exists.

    Definition Classes
    TraversableOnce
    Example:
    1. Seq("a", 1, 5L).collectFirst({ case x: Int => x*10 }) = Some(10)

  37. def companion : GenericCompanion[Set]

    The factory companion object that builds instances of class Set.

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

    Definition Classes
    SetGenSetIterableGenIterableTraversableGenTraversableGenericTraversableTemplate
  38. def compose [A] (g: (A) ⇒ A): (A) ⇒ Boolean

    Composes two instances of Function1 in a new Function1, with this function applied last.

    Composes two instances of Function1 in a new Function1, with this function applied last.

    A

    the type to which function g can be applied

    g

    a function A => T1

    returns

    a new function f such that f(x) == apply(g(x))

    Definition Classes
    Function1
  39. def copyToArray (xs: Array[A], start: Int, len: Int): Unit

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

    [use case]

    Copies elements of this set to an array. Fills the given array xs with at most len elements of this set, starting at position start. Copying will stop once either the end of the current set 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
  40. def copyToArray [B >: A] (xs: Array[B], start: Int, len: Int): Unit

    Copies elements of this set to an array.

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

    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
    IterableLikeTraversableLikeTraversableOnceGenTraversableOnce
  41. def copyToArray (xs: Array[A]): Unit

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

    [use case]

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

    xs

    the array to fill.

    Attributes
    abstract
    Definition Classes
    GenTraversableOnce
  42. def copyToArray [B >: A] (xs: Array[B]): Unit

    Copies values of this set to an array.

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

    B

    the type of the elements of the array.

    xs

    the array to fill.

    Definition Classes
    TraversableOnceGenTraversableOnce
  43. def copyToArray (xs: Array[A], start: Int): Unit

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

    [use case]

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

    xs

    the array to fill.

    start

    the starting index.

    Attributes
    abstract
    Definition Classes
    GenTraversableOnce
  44. def copyToArray [B >: A] (xs: Array[B], start: Int): Unit

    Copies values of this set to an array.

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

    B

    the type of the elements of the array.

    xs

    the array to fill.

    start

    the starting index.

    Definition Classes
    TraversableOnceGenTraversableOnce
  45. def copyToBuffer [B >: A] (dest: Buffer[B]): Unit

    Copies all elements of this set to a buffer.

    Copies all elements of this set to a buffer.

    dest

    The buffer to which elements are copied.

    Definition Classes
    TraversableOnce
  46. def count (p: (A) ⇒ Boolean): Int

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

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

    p

    the predicate used to test elements.

    returns

    the number of elements satisfying the predicate p.

    Definition Classes
    TraversableOnceGenTraversableOnce
  47. def diff (that: Set[A]): Set[A]

    Definition Classes
    SetLike
    Annotations
    @bridge()
  48. def diff (that: GenSet[A]): Set[A]

    Computes the difference of this set and another set.

    Computes the difference of this set and another set.

    that

    the set of elements to exclude.

    returns

    a set containing those elements of this set that are not also contained in the given set that.

    Definition Classes
    SetLike → GenSetLike
  49. def drop (n: Int): Set[A]

    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 set.

    returns

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

    Definition Classes
    IterableLikeTraversableLike → GenTraversableLike
  50. def dropRight (n: Int): Set[A]

    Selects all elements except last n ones.

    Selects all elements except last n ones.

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

    n

    The number of elements to take

    returns

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

    Definition Classes
    IterableLike
  51. def dropWhile (p: (A) ⇒ Boolean): Set[A]

    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 set whose first element does not satisfy the predicate p.

    Definition Classes
    TraversableLike → GenTraversableLike
  52. def empty : Set[A]

    Definition Classes
    GenericSetTemplate
  53. def eq (arg0: AnyRef): Boolean

    Tests whether the argument (arg0) is a reference to the receiver object (this).

    Tests whether the argument (arg0) is a reference to the receiver object (this).

    The eq method implements an equivalence relation on non-null instances of AnyRef, and has three additional 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).

    returns

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

    Attributes
    final
    Definition Classes
    AnyRef
  54. def equals (that: Any): Boolean

    Compares this set with another object for equality.

    Compares this set with another object for equality.

    Note: This operation contains an unchecked cast: if that is a set, it will assume with an unchecked cast that it has the same element type as this set. Any subsequent ClassCastException is treated as a false result.

    that

    the other object

    returns

    true if that is a set which contains the same elements as this set.

    Definition Classes
    GenSetLike → Equals → AnyRef → Any
  55. def exists (p: (A) ⇒ Boolean): Boolean

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

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

    p

    the predicate used to test elements.

    returns

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

    Definition Classes
    IterableLikeTraversableLikeTraversableOnceGenTraversableOnce
  56. def filter (p: (A) ⇒ Boolean): Set[A]

    Selects all elements of this set which satisfy a predicate.

    Selects all elements of this set which satisfy a predicate.

    p

    the predicate used to test elements.

    returns

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

    Definition Classes
    TraversableLike → GenTraversableLike
  57. def filterNot (p: (A) ⇒ Boolean): Set[A]

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

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

    p

    the predicate used to test elements.

    returns

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

    Definition Classes
    TraversableLike → GenTraversableLike
  58. def finalize (): Unit

    Called by the garbage collector on the receiver object when there are no more references to the object.

    Called by the garbage collector on the receiver object when there are no more references to the object.

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

    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws()
  59. def find (p: (A) ⇒ Boolean): Option[A]

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

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

    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 set that satisfies p, or None if none exists.

    Definition Classes
    IterableLikeTraversableLikeTraversableOnceGenTraversableOnce
  60. def flatMap [B] (f: (A) ⇒ GenTraversableOnce[B]): Set[B]

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

    [use case]

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

    B

    the element type of the returned collection.

    f

    the function to apply to each element.

    returns

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

    Attributes
    abstract
    Definition Classes
    GenTraversableLike
  61. def flatMap [B, That] (f: (A) ⇒ GenTraversableOnce[B])(implicit bf: CanBuildFrom[Set[A], B, That]): That

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

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

    Definition Classes
    TraversableLike → GenTraversableLike → FilterMonadic
  62. def flatten [B] : Set[B]

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

    [use case]

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

    B

    the type of the elements of each traversable collection.

    returns

    a new set resulting from concatenating all element sets.

    Attributes
    abstract
    Definition Classes
    GenericTraversableTemplate
  63. def flatten [B] (implicit asTraversable: (A) ⇒ TraversableOnce[B]): Traversable[B]

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

    Converts this set of traversable collections into a set 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 set is a Traversable.

    returns

    a new set resulting from concatenating all element sets.

    Definition Classes
    TraversableGenericTraversableTemplate
    Annotations
    @bridge()
  64. def fold [A1 >: A] (z: A1)(op: (A1, A1) ⇒ A1): A1

    Folds the elements of this sequence using the specified associative binary operator.

    Folds the elements of this sequence using the specified associative binary operator. The order in which the elements are reduced is unspecified and may be nondeterministic.

    Note this method has a different signature than the foldLeft and foldRight methods of the trait Traversable. The result of folding may only be a supertype of this parallel collection's type parameter T.

    z

    a neutral element for the fold operation, it may be added to the result an arbitrary number of times, not changing the result (e.g. Nil for list concatenation, 0 for addition, or 1 for multiplication)

    op

    a binary operator that must be associative

    returns

    the result of applying fold operator op between all the elements and z

    Definition Classes
    TraversableOnceGenTraversableOnce
  65. def foldLeft [B] (z: B)(op: (B, A) ⇒ B): B

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

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

    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 set, going left to right with the start value z on the left:

                op(...op(z, x,,1,,), x,,2,,, ..., x,,n,,)
    

    where x,,1,,, ..., x,,n,, are the elements of this set.

    Definition Classes
    TraversableOnceGenTraversableOnce
  66. def foldRight [B] (z: B)(op: (A, B) ⇒ B): B

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

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

    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 set, going right to left with the start value z on the right:

                op(x,,1,,, op(x,,2,,, ... op(x,,n,,, z)...))
    

    where x,,1,,, ..., x,,n,, are the elements of this set.

    Definition Classes
    IterableLikeTraversableOnceGenTraversableOnce
  67. def forall (p: (A) ⇒ Boolean): Boolean

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

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

    p

    the predicate used to test elements.

    returns

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

    Definition Classes
    IterableLikeTraversableLikeTraversableOnceGenTraversableOnce
  68. def foreach (f: (A) ⇒ Unit): Unit

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

    [use case]

    Applies a function f to all elements of this set.

    f

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

    Attributes
    abstract
    Definition Classes
    IterableLike
  69. def foreach [U] (f: (A) ⇒ U): Unit

    Applies a function f to all elements of this set.

    Applies a function f to all elements of this set.

    Note: this method underlies the implementation of most other bulk operations. Subclasses should re-implement this method if a more efficient implementation exists.

    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.

    Definition Classes
    IterableLikeTraversableLike → GenTraversableLike → TraversableOnceGenTraversableOnceFilterMonadic
  70. def genericBuilder [B] : Builder[B, Set[B]]

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

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

    Definition Classes
    GenericTraversableTemplate
  71. def getClass (): java.lang.Class[_ <: java.lang.Object]

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

    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
  72. def groupBy [K] (f: (A) ⇒ K): Map[K, Set[A]]

    Partitions this set into a map of sets according to some discriminator function.

    Partitions this set into a map of sets 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 set.

    K

    the type of keys returned by the discriminator function.

    f

    the discriminator function.

    returns

    A map from keys to sets 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 set of those elements x for which f(x) equals k.

    Definition Classes
    TraversableLike → GenTraversableLike
  73. def grouped (size: Int): Iterator[Set[A]]

    Partitions elements in fixed size sets.

    Partitions elements in fixed size sets.

    size

    the number of elements per group

    returns

    An iterator producing sets of size size, except the last will be truncated if the elements don't divide evenly.

    Definition Classes
    IterableLike
    See also

    Iterator#grouped

  74. def hasDefiniteSize : Boolean

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

    Tests whether this set 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
    TraversableLikeTraversableOnceGenTraversableOnce
  75. def hashCode (): Int

    The hashCode method for reference types.

    The hashCode method for reference types. See hashCode in Any.

    returns

    the hash code value for this object.

    Definition Classes
    GenSetLike → AnyRef → Any
  76. def head : A

    Selects the first element of this set.

    Selects the first element of this set.

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

    returns

    the first element of this set.

    Definition Classes
    IterableLike → GenIterableLike → TraversableLike → GenTraversableLike
  77. 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 set if it is nonempty, None if it is empty.

    Definition Classes
    TraversableLike
  78. def init : Set[A]

    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 set consisting of all elements of this set except the last one.

    Definition Classes
    TraversableLike
  79. def inits : Iterator[Set[A]]

    Iterates over the inits of this set.

    Iterates over the inits of this set. The first value will be this set and the final one will be an empty set, with the intervening values the results of successive applications of init.

    returns

    an iterator over all the inits of this set

    Definition Classes
    TraversableLike
    Example:
    1. List(1,2,3).inits = Iterator(List(1,2,3), List(1,2), List(1), Nil)

  80. def intersect (that: Set[A]): Set[A]

    Definition Classes
    GenSetLike
    Annotations
    @bridge()
  81. def intersect (that: GenSet[A]): Set[A]

    Computes the intersection between this set and another set.

    Computes the intersection between this set and another set.

    that

    the set to intersect with.

    returns

    a new set consisting of all elements that are both in this set and in the given set that.

    Definition Classes
    GenSetLike
  82. def isEmpty : Boolean

    Tests if this set is empty.

    Tests if this set is empty.

    returns

    true if there is no element in the set, false otherwise.

    Definition Classes
    SetLikeIterableLike → GenIterableLike → TraversableLikeTraversableOnceGenTraversableOnce
  83. def isInstanceOf [T0] : Boolean

    Test whether the dynamic type of the receiver object is T0.

    Test whether the dynamic type of the receiver object is T0.

    Note that the result of the test is modulo Scala's erasure semantics. Therefore the expression 1.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 specified type.

    returns

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

    Attributes
    final
    Definition Classes
    Any
  84. def isTraversableAgain : Boolean

    Tests whether this set can be repeatedly traversed.

    Tests whether this set can be repeatedly traversed.

    returns

    true

    Attributes
    final
    Definition Classes
    GenTraversableLike → GenTraversableOnce
  85. 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 set.

    Definition Classes
    TraversableLike
  86. 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 set$ if it is nonempty, None if it is empty.

    Definition Classes
    TraversableLike
  87. def map [B] (f: (A) ⇒ B): Set[B]

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

    [use case]

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

    B

    the element type of the returned collection.

    f

    the function to apply to each element.

    returns

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

    Attributes
    abstract
    Definition Classes
    GenTraversableLike
  88. def map [B, That] (f: (A) ⇒ B)(implicit bf: CanBuildFrom[Set[A], B, That]): That

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

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

    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 set and collecting the results.

    Definition Classes
    SetLikeTraversableLike → GenTraversableLike → FilterMonadic
    Annotations
    @migration
    Migration

    "Set.map now returns a Set, so it will discard duplicate values."

  89. def max : A

    [use case] Finds the largest element.

    [use case]

    Finds the largest element.

    returns

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

    Attributes
    abstract
    Definition Classes
    GenTraversableOnce
  90. 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 set with respect to the ordering cmp.

    Definition Classes
    TraversableOnceGenTraversableOnce
  91. def maxBy [B] (f: (A) ⇒ B)(implicit cmp: Ordering[B]): A

    Definition Classes
    TraversableOnceGenTraversableOnce
  92. def min : A

    [use case] Finds the smallest element.

    [use case]

    Finds the smallest element.

    returns

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

    Attributes
    abstract
    Definition Classes
    GenTraversableOnce
  93. 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 set with respect to the ordering cmp.

    Definition Classes
    TraversableOnceGenTraversableOnce
  94. def minBy [B] (f: (A) ⇒ B)(implicit cmp: Ordering[B]): A

    Definition Classes
    TraversableOnceGenTraversableOnce
  95. def mkString : String

    Displays all elements of this set in a string.

    Displays all elements of this set in a string.

    returns

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

    Definition Classes
    TraversableOnceGenTraversableOnce
  96. def mkString (sep: String): String

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

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

    sep

    the separator string.

    returns

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

    Definition Classes
    TraversableOnceGenTraversableOnce
    Example:
    1. List(1, 2, 3).mkString("|") = "1|2|3"

  97. def mkString (start: String, sep: String, end: String): String

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

    Displays all elements of this set 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 set. 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 set are separated by the string sep.

    Definition Classes
    TraversableOnceGenTraversableOnce
    Example:
    1. List(1, 2, 3).mkString("(", "; ", ")") = "(1; 2; 3)"

  98. def ne (arg0: AnyRef): Boolean

    Equivalent to !(this eq that).

    Equivalent to !(this eq that).

    returns

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

    Attributes
    final
    Definition Classes
    AnyRef
  99. def newBuilder : Builder[A, Set[A]]

    A common implementation of newBuilder for all sets in terms of empty.

    A common implementation of newBuilder for all sets in terms of empty. Overridden for mutable sets in mutable.SetLike.

    Attributes
    protected[this]
    Definition Classes
    SetLikeTraversableLikeHasNewBuilder
  100. def nonEmpty : Boolean

    Tests whether the set is not empty.

    Tests whether the set is not empty.

    returns

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

    Definition Classes
    TraversableOnceGenTraversableOnce
  101. 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
  102. 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
  103. def par : ParSet[A]

    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

    Definition Classes
    Parallelizable
  104. def parCombiner : Combiner[A, ParSet[A]]

    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]
    Definition Classes
    SetLikeTraversableLikeParallelizable
  105. def partition (p: (A) ⇒ Boolean): (Set[A], Set[A])

    Partitions this set in two sets according to a predicate.

    Partitions this set in two sets according to a predicate.

    p

    the predicate on which to partition.

    returns

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

    Definition Classes
    TraversableLike → GenTraversableLike
  106. 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 of this set with respect to the * operator in num.

    Attributes
    abstract
    Definition Classes
    GenTraversableOnce
  107. 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 set with respect to the * operator in num.

    Definition Classes
    TraversableOnceGenTraversableOnce
  108. def reduce [A1 >: A] (op: (A1, A1) ⇒ A1): A1

    Reduces the elements of this sequence using the specified associative binary operator.

    Reduces the elements of this sequence using the specified associative binary operator.

    The order in which operations are performed on elements is unspecified and may be nondeterministic.

    Note this method has a different signature than the reduceLeft and reduceRight methods of the trait Traversable. The result of reducing may only be a supertype of this parallel collection's type parameter T.

    op

    A binary operator that must be associative.

    returns

    The result of applying reduce operator op between all the elements if the collection is nonempty.

    Definition Classes
    TraversableOnceGenTraversableOnce
  109. def reduceLeft [B >: A] (op: (B, A) ⇒ B): B

    Definition Classes
    TraversableOnce
  110. def reduceLeftOption [B >: A] (op: (B, A) ⇒ B): Option[B]

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

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

    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 set is nonempty, None otherwise.

    Definition Classes
    TraversableOnceGenTraversableOnce
  111. def reduceOption [A1 >: A] (op: (A1, A1) ⇒ A1): Option[A1]

    Optionally reduces the elements of this sequence using the specified associative binary operator.

    Optionally reduces the elements of this sequence using the specified associative binary operator.

    The order in which operations are performed on elements is unspecified and may be nondeterministic.

    Note this method has a different signature than the reduceLeftOption and reduceRightOption methods of the trait Traversable. The result of reducing may only be a supertype of this parallel collection's type parameter T.

    op

    A binary operator that must be associative.

    returns

    An option value containing result of applying reduce operator op between all the elements if the collection is nonempty, and None otherwise.

    Definition Classes
    TraversableOnceGenTraversableOnce
  112. def reduceRight [B >: A] (op: (A, B) ⇒ B): B

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

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

    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 set, going right to left:

                op(x,,1,,, op(x,,2,,, ..., op(x,,n-1,,, x,,n,,)...))
    

    where x,,1,,, ..., x,,n,, are the elements of this set.

    Definition Classes
    IterableLikeTraversableOnceGenTraversableOnce
  113. def reduceRightOption [B >: A] (op: (A, B) ⇒ B): Option[B]

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

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

    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 set is nonempty, None otherwise.

    Definition Classes
    TraversableOnceGenTraversableOnce
  114. def repr : Set[A]

    The collection of type set underlying this TraversableLike object.

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

    Definition Classes
    TraversableLike → GenTraversableLike
  115. def reversed : List[A]

    Attributes
    protected[this]
    Definition Classes
    TraversableOnce
  116. def sameElements [B >: A] (that: Iterable[B]): Boolean

    Definition Classes
    IterableLike
    Annotations
    @bridge()
  117. def sameElements (that: GenIterable[A]): Boolean

    [use case] Checks if the other iterable collection contains the same elements in the same order as this set.

    [use case]

    Checks if the other iterable collection contains the same elements in the same order as this set.

    that

    the collection to compare with.

    returns

    true, if both collections contain the same elements in the same order, false otherwise.

    Attributes
    abstract
    Definition Classes
    GenIterableLike
  118. def sameElements [B >: A] (that: GenIterable[B]): Boolean

    Checks if the other iterable collection contains the same elements in the same order as this set.

    Checks if the other iterable collection contains the same elements in the same order as this set.

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

    B

    the type of the elements of collection that.

    that

    the collection to compare with.

    returns

    true, if both collections contain the same elements in the same order, false otherwise.

    Definition Classes
    IterableLike → GenIterableLike
  119. def scan [B >: A, That] (z: B)(op: (B, B) ⇒ B)(implicit cbf: CanBuildFrom[Set[A], B, That]): That

    Computes a prefix scan of the elements of the collection.

    Computes a prefix scan of the elements of the collection.

    Note: The neutral element z may be applied more than once.

    B

    element type of the resulting collection

    That

    type of the resulting collection

    z

    neutral element for the operator op

    op

    the associative operator for the scan

    cbf

    combiner factory which provides a combiner

    returns

    a new set containing the prefix scan of the elements in this set

    Definition Classes
    TraversableLike → GenTraversableLike
  120. def scanLeft [B, That] (z: B)(op: (B, A) ⇒ B)(implicit bf: CanBuildFrom[Set[A], 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: 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
    TraversableLike → GenTraversableLike
  121. def scanRight [B, That] (z: B)(op: (A, B) ⇒ B)(implicit bf: CanBuildFrom[Set[A], 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. The head of the collection is the last cummulative result.

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

    Example:

       List(1, 2, 3, 4).scanRight(0)(_ + _) == List(10, 9, 7, 4, 0)
    
    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
    TraversableLike → GenTraversableLike
    Annotations
    @migration
    Migration

    "This scanRight definition has changed in 2.9.\n" + "The previous behavior can be reproduced with scanRight.reverse."

  122. def seq : Set[A]

    A version of this collection with all of the operations implemented sequentially (i.

    A version of this collection with all of the operations implemented sequentially (i.e. in a single-threaded manner).

    This method returns a reference to this collection. In parallel collections, it is redefined to return a sequential implementation of this collection. In both cases, it has O(1) complexity.

    returns

    a sequential view of the collection.

    Definition Classes
    SetGenSet → GenSetLike → IterableGenIterableTraversableGenTraversableParallelizableTraversableOnceGenTraversableOnce
  123. def size : Int

    The size of this set.

    The size of this set.

    returns

    the number of elements in this set.

    Definition Classes
    TraversableOnceGenTraversableOnce
  124. def slice (from: Int, until: Int): Set[A]

    Selects an interval of elements.

    Selects an interval of elements. The returned collection is made up of all elements x which satisfy the invariant:

       from <= indexOf(x) < until
    

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

    from

    the lowest index to include from this set.

    until

    the highest index to EXCLUDE from this set.

    returns

    a set containing the elements greater than or equal to index from extending up to (but not including) index until of this set.

    Definition Classes
    IterableLikeTraversableLike → GenTraversableLike
  125. def sliding [B >: A] (size: Int, step: Int): Iterator[Set[A]]

    Definition Classes
    IterableLike
  126. def sliding [B >: A] (size: Int): Iterator[Set[A]]

    Groups elements in fixed size blocks by passing a "sliding window" over them (as opposed to partitioning them, as is done in grouped.

    Groups elements in fixed size blocks by passing a "sliding window" over them (as opposed to partitioning them, as is done in grouped.)

    size

    the number of elements per group

    returns

    An iterator producing sets of size size, except the last and the only element will be truncated if there are fewer elements than size.

    Definition Classes
    IterableLike
    See also

    Iterator#sliding

  127. def span (p: (A) ⇒ Boolean): (Set[A], Set[A])

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

    Splits this set 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 set whose elements all satisfy p, and the rest of this set.

    Definition Classes
    TraversableLike → GenTraversableLike
  128. def splitAt (n: Int): (Set[A], Set[A])

    Splits this set into two at a given position.

    Splits this set 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 sets consisting of the first n elements of this set, and the other elements.

    Definition Classes
    TraversableLike → GenTraversableLike
  129. 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 set. Unless overridden this is simply "Set".

    Definition Classes
    SetLikeTraversableLike → GenTraversableLike
  130. def subsetOf (that: Set[A]): Boolean

    Definition Classes
    GenSetLike
    Annotations
    @bridge()
  131. def subsetOf (that: GenSet[A]): Boolean

    Tests whether this set is a subset of another set.

    Tests whether this set is a subset of another set.

    that

    the set to test.

    returns

    true if this set is a subset of that, i.e. if every element of this set is also an element of that.

    Definition Classes
    GenSetLike
  132. def subsets : Iterator[Set[A]]

    An iterator over all subsets of this set.

    An iterator over all subsets of this set.

    returns

    the iterator.

    Definition Classes
    SetLike
  133. def subsets (len: Int): Iterator[Set[A]]

    An iterator over all subsets of this set of the given size.

    An iterator over all subsets of this set of the given size. If the requested size is impossible, an empty iterator is returned.

    len

    the size of the subsets.

    returns

    the iterator.

    Definition Classes
    SetLike
  134. 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 of this set with respect to the + operator in num.

    Attributes
    abstract
    Definition Classes
    GenTraversableOnce
  135. 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 set with respect to the + operator in num.

    Definition Classes
    TraversableOnceGenTraversableOnce
  136. def synchronized [T0] (arg0: ⇒ T0): T0

    Attributes
    final
    Definition Classes
    AnyRef
  137. def tail : Set[A]

    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 set consisting of all elements of this set except the first one.

    Definition Classes
    TraversableLike → GenTraversableLike
  138. def tails : Iterator[Set[A]]

    Iterates over the tails of this set.

    Iterates over the tails of this set. The first value will be this set and the final one will be an empty set, with the intervening values the results of successive applications of tail.

    returns

    an iterator over all the tails of this set

    Definition Classes
    TraversableLike
    Example:
    1. List(1,2,3).tails = Iterator(List(1,2,3), List(2,3), List(3), Nil)

  139. def take (n: Int): Set[A]

    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 set.

    returns

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

    Definition Classes
    IterableLikeTraversableLike → GenTraversableLike
  140. def takeRight (n: Int): Set[A]

    Selects last n elements.

    Selects last n elements.

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

    n

    the number of elements to take

    returns

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

    Definition Classes
    IterableLike
  141. def takeWhile (p: (A) ⇒ Boolean): Set[A]

    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 set whose elements all satisfy the predicate p.

    Definition Classes
    IterableLikeTraversableLike → GenTraversableLike
  142. def thisCollection : Iterable[A]

    The underlying collection seen as an instance of Set.

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

    Attributes
    protected[this]
    Definition Classes
    IterableLikeTraversableLike
  143. def toArray : Array[A]

    [use case] Converts this set to an array.

    [use case]

    Converts this set to an array.

    returns

    an array containing all elements of this set.

    Attributes
    abstract
    Definition Classes
    GenTraversableOnce
  144. def toArray [B >: A] (implicit arg0: ClassManifest[B]): Array[B]

    Converts this set to an array.

    Converts this set to an array.

    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 set.

    Definition Classes
    TraversableOnceGenTraversableOnce
  145. def toBuffer [A1 >: A] : Buffer[A1]

    Converts this set to a mutable buffer.

    Converts this set to a mutable buffer.

    returns

    a buffer containing all elements of this set.

    Definition Classes
    SetLikeTraversableOnceGenTraversableOnce
  146. def toCollection (repr: Set[A]): Iterable[A]

    A conversion from collections of type Repr to Set objects.

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

    Attributes
    protected[this]
    Definition Classes
    IterableLikeTraversableLike
  147. def toIndexedSeq [B >: A] : IndexedSeq[B]

    Converts this set to an indexed sequence.

    Converts this set to an indexed sequence.

    returns

    an indexed sequence containing all elements of this set.

    Definition Classes
    TraversableOnceGenTraversableOnce
  148. def toIterable : Iterable[A]

    Converts this set to an iterable collection.

    Converts this set 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).

    returns

    an Iterable containing all elements of this set.

    Definition Classes
    IterableLikeTraversableOnceGenTraversableOnce
  149. def toIterator : Iterator[A]

    Returns an Iterator over the elements in this set.

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

    returns

    an Iterator containing all elements of this set.

    Definition Classes
    TraversableLikeGenTraversableOnce
  150. def toList : List[A]

    Converts this set to a list.

    Converts this set to a list.

    returns

    a list containing all elements of this set.

    Definition Classes
    TraversableOnceGenTraversableOnce
  151. def toMap [T, U] : Map[T, U]

    [use case] Converts this set to a map.

    [use case]

    Converts this set to a map. This method is unavailable unless the elements are members of Tuple2, each ((T, U)) 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.

    returns

    a map containing all elements of this set.

    Attributes
    abstract
    Definition Classes
    GenTraversableOnce
  152. def toMap [T, U] (implicit ev: <:<[A, (T, U)]): Map[T, U]

    Converts this set to a map.

    Converts this set to a map. This method is unavailable unless the elements are members of Tuple2, each ((T, U)) 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.

    returns

    a map containing all elements of this set.

    Definition Classes
    TraversableOnceGenTraversableOnce
  153. def toSeq : Seq[A]

    Overridden for efficiency.

    Overridden for efficiency.

    returns

    a sequence containing all elements of this set.

    Definition Classes
    SetLikeTraversableOnceGenTraversableOnce
  154. def toSet [B >: A] : Set[B]

    Converts this set to a set.

    Converts this set to a set.

    returns

    a set containing all elements of this set.

    Definition Classes
    TraversableOnceGenTraversableOnce
  155. def toStream : Stream[A]

    Converts this set to a stream.

    Converts this set to a stream.

    returns

    a stream containing all elements of this set.

    Definition Classes
    IterableLikeTraversableLikeGenTraversableOnce
  156. def toString (): String

    Creates a String representation of this object.

    Creates a String representation of this object. The default representation is platform dependent. On the java platform it is the concatenation of the class name, "@", and the object's hashcode in hexadecimal.

    returns

    a String representation of the object.

    Definition Classes
    SetLikeFunction1TraversableLike → AnyRef → Any
  157. def toTraversable : Traversable[A]

    Converts this set to an unspecified Traversable.

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

    returns

    a Traversable containing all elements of this set.

    Definition Classes
    TraversableLikeTraversableOnceGenTraversableOnce
  158. def transpose [B] (implicit asTraversable: (A) ⇒ TraversableOnce[B]): Traversable[Traversable[B]]

    Transposes this set of traversable collections into a set of sets.

    Transposes this set of traversable collections into a set of sets.

    B

    the type of the elements of each traversable collection.

    asTraversable

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

    returns

    a two-dimensional set of sets which has as nth row the nth column of this set.

    Definition Classes
    TraversableGenericTraversableTemplate
    Annotations
    @bridge()
  159. def union (that: Set[A]): Set[A]

    Definition Classes
    SetLike
    Annotations
    @bridge()
  160. def union (that: GenSet[A]): Set[A]

    Computes the union between of set and another set.

    Computes the union between of set and another set.

    that

    the set to form the union with.

    returns

    a new set consisting of all elements that are in this set or in the given set that.

    Definition Classes
    SetLike → GenSetLike
  161. def unzip [A1, A2] (implicit asPair: (A) ⇒ (A1, A2)): (Set[A1], Set[A2])

    Converts this set of pairs into two collections of the first and second half of each pair.

    Converts this set of pairs into two collections of the first and second half of each pair.

    asPair

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

    returns

    a pair sets, containing the first, respectively second half of each element pair of this set.

    Definition Classes
    GenericTraversableTemplate
  162. def unzip3 [A1, A2, A3] (implicit asTriple: (A) ⇒ (A1, A2, A3)): (Set[A1], Set[A2], Set[A3])

    Converts this set of triples into three collections of the first, second, and third element of each triple.

    Converts this set of triples into three collections of the first, second, and third element of each triple.

    returns

    a triple sets, containing the first, second, respectively third member of each element triple of this set.

    Definition Classes
    GenericTraversableTemplate
  163. def view (from: Int, until: Int): IterableView[A, Set[A]]

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

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

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

    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 set, starting at index from and extending up to (but not including) index until.

    Definition Classes
    IterableLikeTraversableLike
  164. def view : IterableView[A, Set[A]]

    Creates a non-strict view of this set.

    Creates a non-strict view of this set.

    returns

    a non-strict view of this set.

    Definition Classes
    IterableLikeTraversableLike
  165. def wait (): Unit

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

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

    Attributes
    final
    Definition Classes
    AnyRef
    Annotations
    @throws()
  168. def withFilter (p: (A) ⇒ Boolean): FilterMonadic[A, Set[A]]

    Creates a non-strict filter of this set.

    Creates a non-strict filter of this set.

    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 set which satisfy the predicate p.

    Definition Classes
    TraversableLikeFilterMonadic
  169. def zip [A1 >: A, B, That] (that: Iterable[B])(implicit bf: CanBuildFrom[Set[A], (A1, B), That]): That

    Definition Classes
    IterableLike
    Annotations
    @bridge()
  170. def zip [B] (that: GenIterable[B]): Set[(A, B)]

    [use case] Returns a set formed from this set and another iterable collection by combining corresponding elements in pairs.

    [use case]

    Returns a set formed from this set and another iterable collection by combining corresponding elements in pairs. If one of the two collections is longer than the other, its remaining elements are ignored.

    B

    the type of the second half of the returned pairs

    that

    The iterable providing the second half of each result pair

    returns

    a new collection of type That containing pairs consisting of corresponding elements of this set and that. The length of the returned collection is the minimum of the lengths of this set and that.

    Attributes
    abstract
    Definition Classes
    GenIterableLike
  171. def zip [A1 >: A, B, That] (that: GenIterable[B])(implicit bf: CanBuildFrom[Set[A], (A1, B), That]): That

    Returns a set formed from this set and another iterable collection by combining corresponding elements in pairs.

    Returns a set formed from this set and another iterable collection by combining corresponding elements in pairs. If one of the two collections is longer than the other, its remaining elements are ignored.

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

    A1

    the type of the first half of the returned pairs (this is always a supertype of the collection's element type A).

    B

    the type of the second half of the returned pairs

    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 (A1, B) being admissible for that class, which means that an implicit instance of type CanBuildFrom[Repr, (A1, B), That]. is found.

    that

    The iterable providing the second half of each result pair

    bf

    an implicit value of class CanBuildFrom which determines the result class That from the current representation type Repr and the new element type (A1, B).

    returns

    a new collection of type That containing pairs consisting of corresponding elements of this set and that. The length of the returned collection is the minimum of the lengths of this set and that.

    Definition Classes
    IterableLike → GenIterableLike
  172. def zipAll [B, A1 >: A, That] (that: Iterable[B], thisElem: A1, thatElem: B)(implicit bf: CanBuildFrom[Set[A], (A1, B), That]): That

    Definition Classes
    IterableLike
    Annotations
    @bridge()
  173. def zipAll [B] (that: Iterable[B], thisElem: A, thatElem: B): Set[(A, B)]

    [use case] Returns a set formed from this set and another iterable collection by combining corresponding elements in pairs.

    [use case]

    Returns a set formed from this set and another iterable collection by combining corresponding elements in pairs. If one of the two collections is shorter than the other, placeholder elements are used to extend the shorter collection to the length of the longer.

    that

    the iterable providing the second half of each result pair

    thisElem

    the element to be used to fill up the result if this set is shorter than that.

    thatElem

    the element to be used to fill up the result if that is shorter than this set.

    returns

    a new collection of type That containing pairs consisting of corresponding elements of this set and that. The length of the returned collection is the maximum of the lengths of this set and that. If this set is shorter than that, thisElem values are used to pad the result. If that is shorter than this set, thatElem values are used to pad the result.

    Attributes
    abstract
    Definition Classes
    GenIterableLike
  174. def zipAll [B, A1 >: A, That] (that: GenIterable[B], thisElem: A1, thatElem: B)(implicit bf: CanBuildFrom[Set[A], (A1, B), That]): That

    Returns a set formed from this set and another iterable collection by combining corresponding elements in pairs.

    Returns a set formed from this set and another iterable collection by combining corresponding elements in pairs. If one of the two collections is shorter than the other, placeholder elements are used to extend the shorter collection to the length of the longer.

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

    that

    the iterable providing the second half of each result pair

    thisElem

    the element to be used to fill up the result if this set is shorter than that.

    thatElem

    the element to be used to fill up the result if that is shorter than this set.

    returns

    a new collection of type That containing pairs consisting of corresponding elements of this set and that. The length of the returned collection is the maximum of the lengths of this set and that. If this set is shorter than that, thisElem values are used to pad the result. If that is shorter than this set, thatElem values are used to pad the result.

    Definition Classes
    IterableLike → GenIterableLike
  175. def zipWithIndex : Set[(A, Int)]

    [use case] Zips this set with its indices.

    [use case]

    Zips this set with its indices.

    returns

    A new collection of type That containing pairs consisting of all elements of this set paired with their index. Indices start at 0.

    Attributes
    abstract
    Definition Classes
    GenIterableLike
  176. def zipWithIndex [A1 >: A, That] (implicit bf: CanBuildFrom[Set[A], (A1, Int), That]): That

    Zips this set with its indices.

    Zips this set with its indices.

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

    A1

    the type of the first half of the returned pairs (this is always a supertype of the collection's element type A).

    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 (A1, Int) being admissible for that class, which means that an implicit instance of type CanBuildFrom[Repr, (A1, Int), That]. is found.

    returns

    A new collection of type That containing pairs consisting of all elements of this set paired with their index. Indices start at 0.

    Definition Classes
    IterableLike → GenIterableLike
  177. def | (that: Set[A]): Set[A]

    Definition Classes
    GenSetLike
    Annotations
    @bridge()
  178. def | (that: GenSet[A]): Set[A]

    Computes the union between this set and another set.

    Computes the union between this set and another set.

    Note: Same as union.

    that

    the set to form the union with.

    returns

    a new set consisting of all elements that are in this set or in the given set that.

    Definition Classes
    GenSetLike
  179. def ** (that: Set[A]): Set[A]

    This method is an alias for intersect.

    This method is an alias for intersect. It computes an intersection with set that. It removes all the elements that are not present in that.

    that

    the set to intersect with

    Definition Classes
    SetLike
    Annotations
    @deprecated
    Deprecated

    use & instead

  180. def elements : Iterator[A]

    Definition Classes
    IterableLike
    Annotations
    @deprecated
    Deprecated

    use iterator' instead

  181. def first : A

    Definition Classes
    IterableLike
    Annotations
    @deprecated
    Deprecated

    use head' instead

  182. def firstOption : Option[A]

    None if iterable is empty.

    None if iterable is empty.

    Definition Classes
    IterableLike
    Annotations
    @deprecated
    Deprecated

    use headOption' instead

  183. def projection : IterableView[A, Set[A]]

    returns a projection that can be used to call non-strict filter, map, and flatMap methods that build projections of the collection.

    returns a projection that can be used to call non-strict filter, map, and flatMap methods that build projections of the collection.

    Definition Classes
    IterableLike
    Annotations
    @deprecated
    Deprecated

    use view' instead

Inherited from SetLike[A, Set[A]]

Inherited from Subtractable[A, Set[A]]

Inherited from GenSet[A]

Inherited from GenericSetTemplate[A, Set]

Inherited from GenSetLike[A, Set[A]]

Inherited from Iterable[A]

Inherited from IterableLike[A, Set[A]]

Inherited from Equals

Inherited from GenIterable[A]

Inherited from GenIterableLike[A, Set[A]]

Inherited from Traversable[A]

Inherited from GenTraversable[A]

Inherited from GenericTraversableTemplate[A, Set]

Inherited from TraversableLike[A, Set[A]]

Inherited from GenTraversableLike[A, Set[A]]

Inherited from Parallelizable[A, ParSet[A]]

Inherited from TraversableOnce[A]

Inherited from GenTraversableOnce[A]

Inherited from FilterMonadic[A, Set[A]]

Inherited from HasNewBuilder[A, Set[A]]

Inherited from (A) ⇒ Boolean

Inherited from AnyRef

Inherited from Any