edu.knowitall.collection.immutable

Bag

class Bag[T] extends Iterable[T] with IterableLike[T, Bag[T]]

An immutable data structure that is similar to a set but can store multiple instances of any one value. Also known as a multiset.

Bags are created using the companion object.

Linear Supertypes
Iterable[T], IterableLike[T, Bag[T]], Equals, GenIterable[T], GenIterableLike[T, Bag[T]], Traversable[T], GenTraversable[T], GenericTraversableTemplate[T, Iterable], TraversableLike[T, Bag[T]], GenTraversableLike[T, Bag[T]], Parallelizable[T, ParIterable[T]], TraversableOnce[T], GenTraversableOnce[T], FilterMonadic[T, Bag[T]], HasNewBuilder[T, Bag[T]], AnyRef, Any
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Inherited
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  1. Bag
  2. Iterable
  3. IterableLike
  4. Equals
  5. GenIterable
  6. GenIterableLike
  7. Traversable
  8. GenTraversable
  9. GenericTraversableTemplate
  10. TraversableLike
  11. GenTraversableLike
  12. Parallelizable
  13. TraversableOnce
  14. GenTraversableOnce
  15. FilterMonadic
  16. HasNewBuilder
  17. AnyRef
  18. Any
Visibility
  1. Public
  2. All

Type Members

  1. type Self = Bag[T]

    Attributes
    protected
    Definition Classes
    TraversableLike

Value Members

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

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

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

    Definition Classes
    AnyRef → Any
  4. def +(k: T): Bag[T]

    Add a single item to this bag.

  5. def +(kv: (T, Int)): Bag[T]

    Add an item and a count as a tuple to this bag.

  6. def ++(vs: Traversable[T]): Bag[T]

    Add multiple items to this bag.

  7. def ++[B >: T, That](that: GenTraversableOnce[B])(implicit bf: CanBuildFrom[Bag[T], B, That]): That

    Definition Classes
    TraversableLike → GenTraversableLike
  8. def ++:[B >: T, That](that: Traversable[B])(implicit bf: CanBuildFrom[Bag[T], B, That]): That

    Definition Classes
    TraversableLike
  9. def ++:[B >: T, That](that: TraversableOnce[B])(implicit bf: CanBuildFrom[Bag[T], B, That]): That

    Definition Classes
    TraversableLike
  10. def -(k: T): Bag[T]

    Remove a single item from this bag.

  11. def -(kv: (T, Int)): Bag[T]

    Remove an item and a count as a tuple from this bag.

  12. def /:[B](z: B)(op: (B, T) ⇒ B): B

    Definition Classes
    TraversableOnce → GenTraversableOnce
  13. def /:\[A1 >: T](z: A1)(op: (A1, A1) ⇒ A1): A1

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

    Definition Classes
    TraversableOnce → GenTraversableOnce
  15. final def ==(arg0: AnyRef): Boolean

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

    Definition Classes
    Any
  17. def add(k: T, sumand: Int): Bag[T]

    Add an item and a count to this bag.

    Add an item and a count to this bag.

    k

    an item to add

    sumand

    the count to add

    returns

    a bag with count more of key k

  18. def addString(b: StringBuilder): StringBuilder

    Definition Classes
    TraversableOnce
  19. def addString(b: StringBuilder, sep: String): StringBuilder

    Definition Classes
    TraversableOnce
  20. def addString(b: StringBuilder, start: String, sep: String, end: String): StringBuilder

    Definition Classes
    TraversableOnce
  21. def aggregate[B](z: B)(seqop: (B, T) ⇒ B, combop: (B, B) ⇒ B): B

    Definition Classes
    TraversableOnce → GenTraversableOnce
  22. def apply(k: T): Int

  23. final def asInstanceOf[T0]: T0

    Definition Classes
    Any
  24. def asMap: Map[T, Int]

    Efficiently convert to a immutable.

    Efficiently convert to a immutable.Map

  25. def canEqual(that: Any): Boolean

    Definition Classes
    IterableLike → Equals
  26. def clone(): AnyRef

    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws()
  27. def collect[B, That](pf: PartialFunction[T, B])(implicit bf: CanBuildFrom[Bag[T], B, That]): That

    Definition Classes
    TraversableLike → GenTraversableLike
  28. def collectFirst[B](pf: PartialFunction[T, B]): Option[B]

    Definition Classes
    TraversableOnce
  29. def companion: GenericCompanion[Iterable]

    Definition Classes
    Iterable → GenIterable → Traversable → GenTraversable → GenericTraversableTemplate
  30. def copyToArray[B >: T](xs: Array[B], start: Int, len: Int): Unit

    Definition Classes
    IterableLike → TraversableLike → TraversableOnce → GenTraversableOnce
  31. def copyToArray[B >: T](xs: Array[B]): Unit

    Definition Classes
    TraversableOnce → GenTraversableOnce
  32. def copyToArray[B >: T](xs: Array[B], start: Int): Unit

    Definition Classes
    TraversableOnce → GenTraversableOnce
  33. def copyToBuffer[B >: T](dest: Buffer[B]): Unit

    Definition Classes
    TraversableOnce
  34. def count(p: (T) ⇒ Boolean): Int

    Definition Classes
    TraversableOnce → GenTraversableOnce
  35. def drop(n: Int): Bag[T]

    Definition Classes
    IterableLike → TraversableLike → GenTraversableLike
  36. def dropRight(n: Int): Bag[T]

    Definition Classes
    IterableLike
  37. def dropWhile(p: (T) ⇒ Boolean): Bag[T]

    Definition Classes
    TraversableLike → GenTraversableLike
  38. final def eq(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  39. def equals(that: Any): Boolean

    Definition Classes
    Bag → Equals → AnyRef → Any
  40. def exists(p: (T) ⇒ Boolean): Boolean

    Definition Classes
    IterableLike → TraversableLike → TraversableOnce → GenTraversableOnce
  41. def filter(p: (T) ⇒ Boolean): Bag[T]

    Definition Classes
    TraversableLike → GenTraversableLike
  42. def filterNot(p: (T) ⇒ Boolean): Bag[T]

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

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

    Definition Classes
    IterableLike → TraversableLike → TraversableOnce → GenTraversableOnce
  45. def flatMap[B, That](f: (T) ⇒ GenTraversableOnce[B])(implicit bf: CanBuildFrom[Bag[T], B, That]): That

    Definition Classes
    TraversableLike → GenTraversableLike → FilterMonadic
  46. def fold[A1 >: T](z: A1)(op: (A1, A1) ⇒ A1): A1

    Definition Classes
    TraversableOnce → GenTraversableOnce
  47. def foldLeft[B](z: B)(op: (B, T) ⇒ B): B

    Definition Classes
    TraversableOnce → GenTraversableOnce
  48. def foldRight[B](z: B)(op: (T, B) ⇒ B): B

    Definition Classes
    IterableLike → TraversableOnce → GenTraversableOnce
  49. def forall(p: (T) ⇒ Boolean): Boolean

    Definition Classes
    IterableLike → TraversableLike → TraversableOnce → GenTraversableOnce
  50. def foreach[U](f: (T) ⇒ U): Unit

    Definition Classes
    IterableLike → TraversableLike → GenTraversableLike → TraversableOnce → GenTraversableOnce → FilterMonadic
  51. def genericBuilder[B]: Builder[B, Iterable[B]]

    Definition Classes
    GenericTraversableTemplate
  52. def get(k: T): Option[Int]

    Get the count of a key from this bag

    Get the count of a key from this bag

    k

    the key to lookup

    returns

    Some of the count if the bag contains the key, or None

  53. final def getClass(): java.lang.Class[_]

    Definition Classes
    AnyRef → Any
  54. def groupBy[K](f: (T) ⇒ K): Map[K, Bag[T]]

    Definition Classes
    TraversableLike → GenTraversableLike
  55. def grouped(size: Int): Iterator[Bag[T]]

    Definition Classes
    IterableLike
  56. def hasDefiniteSize: Boolean

    Definition Classes
    TraversableLike → TraversableOnce → GenTraversableOnce
  57. def hashCode(): Int

    Definition Classes
    Bag → AnyRef → Any
  58. def head: T

    Definition Classes
    IterableLike → GenIterableLike → TraversableLike → GenTraversableLike
  59. def headOption: Option[T]

    Definition Classes
    TraversableLike
  60. def init: Bag[T]

    Definition Classes
    TraversableLike
  61. def inits: Iterator[Bag[T]]

    Definition Classes
    TraversableLike
  62. def isEmpty: Boolean

    Definition Classes
    IterableLike → GenIterableLike → TraversableLike → TraversableOnce → GenTraversableOnce
  63. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any
  64. final def isTraversableAgain: Boolean

    Definition Classes
    GenTraversableLike → GenTraversableOnce
  65. def iterator: Iterator[T]

    Definition Classes
    Bag → IterableLike → GenIterableLike
  66. def last: T

    Definition Classes
    TraversableLike
  67. def lastOption: Option[T]

    Definition Classes
    TraversableLike
  68. def map[B, That](f: (T) ⇒ B)(implicit bf: CanBuildFrom[Bag[T], B, That]): That

    Definition Classes
    TraversableLike → GenTraversableLike → FilterMonadic
  69. def max[B >: T](implicit cmp: Ordering[B]): T

    Definition Classes
    TraversableOnce → GenTraversableOnce
  70. def maxBy[B](f: (T) ⇒ B)(implicit cmp: Ordering[B]): T

    Definition Classes
    TraversableOnce → GenTraversableOnce
  71. def merge(that: Bag[T]): Bag[T]

    Efficiently merge another bag with this bag.

    Efficiently merge another bag with this bag.

    returns

    the merged bag

  72. def min[B >: T](implicit cmp: Ordering[B]): T

    Definition Classes
    TraversableOnce → GenTraversableOnce
  73. def minBy[B](f: (T) ⇒ B)(implicit cmp: Ordering[B]): T

    Definition Classes
    TraversableOnce → GenTraversableOnce
  74. def mkString: String

    Definition Classes
    TraversableOnce → GenTraversableOnce
  75. def mkString(sep: String): String

    Definition Classes
    TraversableOnce → GenTraversableOnce
  76. def mkString(start: String, sep: String, end: String): String

    Definition Classes
    TraversableOnce → GenTraversableOnce
  77. final def ne(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  78. def newBuilder: Builder[T, Bag[T]]

    Definition Classes
    Bag → GenericTraversableTemplate → TraversableLike → HasNewBuilder
  79. def nonEmpty: Boolean

    Definition Classes
    TraversableOnce → GenTraversableOnce
  80. final def notify(): Unit

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

    Definition Classes
    AnyRef
  82. def par: ParIterable[T]

    Definition Classes
    Parallelizable
  83. def parCombiner: Combiner[T, ParIterable[T]]

    Attributes
    protected[this]
    Definition Classes
    TraversableLike → Parallelizable
  84. def partition(p: (T) ⇒ Boolean): (Bag[T], Bag[T])

    Definition Classes
    TraversableLike → GenTraversableLike
  85. def product[B >: T](implicit num: Numeric[B]): B

    Definition Classes
    TraversableOnce → GenTraversableOnce
  86. def reduce[A1 >: T](op: (A1, A1) ⇒ A1): A1

    Definition Classes
    TraversableOnce → GenTraversableOnce
  87. def reduceLeft[B >: T](op: (B, T) ⇒ B): B

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

    Definition Classes
    TraversableOnce → GenTraversableOnce
  89. def reduceOption[A1 >: T](op: (A1, A1) ⇒ A1): Option[A1]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  90. def reduceRight[B >: T](op: (T, B) ⇒ B): B

    Definition Classes
    IterableLike → TraversableOnce → GenTraversableOnce
  91. def reduceRightOption[B >: T](op: (T, B) ⇒ B): Option[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  92. def removeKey(k: T): Bag[T]

    Remove a particular key from this bag.

  93. def repr: Bag[T]

    Definition Classes
    TraversableLike → GenTraversableLike
  94. def reversed: List[T]

    Attributes
    protected[this]
    Definition Classes
    TraversableOnce
  95. def sameElements[B >: T](that: GenIterable[B]): Boolean

    Definition Classes
    IterableLike → GenIterableLike
  96. def scan[B >: T, That](z: B)(op: (B, B) ⇒ B)(implicit cbf: CanBuildFrom[Bag[T], B, That]): That

    Definition Classes
    TraversableLike → GenTraversableLike
  97. def scanLeft[B, That](z: B)(op: (B, T) ⇒ B)(implicit bf: CanBuildFrom[Bag[T], B, That]): That

    Definition Classes
    TraversableLike → GenTraversableLike
  98. def scanRight[B, That](z: B)(op: (T, B) ⇒ B)(implicit bf: CanBuildFrom[Bag[T], B, That]): That

    Definition Classes
    TraversableLike → GenTraversableLike
    Annotations
    @migration
    Migration

    (Changed in version 2.9.0) The behavior of scanRight has changed. The previous behavior can be reproduced with scanRight.reverse.

  99. def seq: Iterable[T]

    Definition Classes
    Iterable → GenIterable → Traversable → GenTraversable → Parallelizable → TraversableOnce → GenTraversableOnce
  100. val size: Int

    Definition Classes
    Bag → GenTraversableLike → TraversableOnce → GenTraversableOnce
  101. def slice(from: Int, until: Int): Bag[T]

    Definition Classes
    IterableLike → TraversableLike → GenTraversableLike
  102. def sliding[B >: T](size: Int, step: Int): Iterator[Bag[T]]

    Definition Classes
    IterableLike
  103. def sliding[B >: T](size: Int): Iterator[Bag[T]]

    Definition Classes
    IterableLike
  104. def span(p: (T) ⇒ Boolean): (Bag[T], Bag[T])

    Definition Classes
    TraversableLike → GenTraversableLike
  105. def splitAt(n: Int): (Bag[T], Bag[T])

    Definition Classes
    TraversableLike → GenTraversableLike
  106. def stringPrefix: String

    Definition Classes
    TraversableLike → GenTraversableLike
  107. def sum[B >: T](implicit num: Numeric[B]): B

    Definition Classes
    TraversableOnce → GenTraversableOnce
  108. final def synchronized[T0](arg0: ⇒ T0): T0

    Definition Classes
    AnyRef
  109. def tail: Bag[T]

    Definition Classes
    TraversableLike → GenTraversableLike
  110. def tails: Iterator[Bag[T]]

    Definition Classes
    TraversableLike
  111. def take(n: Int): Bag[T]

    Definition Classes
    IterableLike → TraversableLike → GenTraversableLike
  112. def takeRight(n: Int): Bag[T]

    Definition Classes
    IterableLike
  113. def takeWhile(p: (T) ⇒ Boolean): Bag[T]

    Definition Classes
    IterableLike → TraversableLike → GenTraversableLike
  114. def thisCollection: Iterable[T]

    Attributes
    protected[this]
    Definition Classes
    IterableLike → TraversableLike
  115. def toArray[B >: T](implicit arg0: ClassManifest[B]): Array[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  116. def toBuffer[B >: T]: Buffer[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  117. def toCollection(repr: Bag[T]): Iterable[T]

    Attributes
    protected[this]
    Definition Classes
    IterableLike → TraversableLike
  118. def toIndexedSeq[B >: T]: IndexedSeq[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  119. def toIterable: Iterable[T]

    Definition Classes
    IterableLike → TraversableOnce → GenTraversableOnce
  120. def toIterator: Iterator[T]

    Definition Classes
    TraversableLike → GenTraversableOnce
  121. def toList: List[T]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  122. def toMap[T, U](implicit ev: <:<[T, (T, U)]): Map[T, U]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  123. def toSeq: Seq[T]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  124. def toSet[B >: T]: Set[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  125. def toStream: Stream[T]

    Definition Classes
    IterableLike → TraversableLike → GenTraversableOnce
  126. def toString(): String

    Definition Classes
    TraversableLike → AnyRef → Any
  127. def toTraversable: Traversable[T]

    Definition Classes
    TraversableLike → TraversableOnce → GenTraversableOnce
  128. def transpose[B](implicit asTraversable: (T) ⇒ GenTraversableOnce[B]): Iterable[Iterable[B]]

    Definition Classes
    GenericTraversableTemplate
    Annotations
    @migration
    Migration

    (Changed in version 2.9.0) transpose throws an IllegalArgumentException if collections are not uniformly sized.

  129. def uniques: Iterable[T]

    An iterable of the unique keys in this bag.

  130. def unzip[A1, A2](implicit asPair: (T) ⇒ (A1, A2)): (Iterable[A1], Iterable[A2])

    Definition Classes
    GenericTraversableTemplate
  131. def unzip3[A1, A2, A3](implicit asTriple: (T) ⇒ (A1, A2, A3)): (Iterable[A1], Iterable[A2], Iterable[A3])

    Definition Classes
    GenericTraversableTemplate
  132. def update(kv: (T, Int)): Bag[T]

    Update the count of a particular key in this bag.

    Update the count of a particular key in this bag.

    kv

    a tuple of the key and the new count

    returns

    a bag with key updated to the count

  133. def view(from: Int, until: Int): IterableView[T, Bag[T]]

    Definition Classes
    IterableLike → TraversableLike
  134. def view: IterableView[T, Bag[T]]

    Definition Classes
    IterableLike → TraversableLike
  135. final def wait(): Unit

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

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

    Definition Classes
    AnyRef
    Annotations
    @throws()
  138. def withFilter(p: (T) ⇒ Boolean): FilterMonadic[T, Bag[T]]

    Definition Classes
    TraversableLike → FilterMonadic
  139. def zip[A1 >: T, B, That](that: GenIterable[B])(implicit bf: CanBuildFrom[Bag[T], (A1, B), That]): That

    Definition Classes
    IterableLike → GenIterableLike
  140. def zipAll[B, A1 >: T, That](that: GenIterable[B], thisElem: A1, thatElem: B)(implicit bf: CanBuildFrom[Bag[T], (A1, B), That]): That

    Definition Classes
    IterableLike → GenIterableLike
  141. def zipWithIndex[A1 >: T, That](implicit bf: CanBuildFrom[Bag[T], (A1, Int), That]): That

    Definition Classes
    IterableLike → GenIterableLike

Deprecated Value Members

  1. def elements: Iterator[T]

    Definition Classes
    IterableLike
    Annotations
    @deprecated
    Deprecated

    (Since version 2.8.0) use iterator' instead

  2. def first: T

    Definition Classes
    IterableLike
    Annotations
    @deprecated
    Deprecated

    (Since version 2.8.0) use head' instead

  3. def firstOption: Option[T]

    Definition Classes
    IterableLike
    Annotations
    @deprecated
    Deprecated

    (Since version 2.8.0) use headOption' instead

  4. def projection: IterableView[T, Bag[T]]

    Definition Classes
    IterableLike
    Annotations
    @deprecated
    Deprecated

    (Since version 2.8.0) use view' instead

Inherited from Iterable[T]

Inherited from IterableLike[T, Bag[T]]

Inherited from Equals

Inherited from GenIterable[T]

Inherited from GenIterableLike[T, Bag[T]]

Inherited from Traversable[T]

Inherited from GenTraversable[T]

Inherited from GenericTraversableTemplate[T, Iterable]

Inherited from TraversableLike[T, Bag[T]]

Inherited from GenTraversableLike[T, Bag[T]]

Inherited from Parallelizable[T, ParIterable[T]]

Inherited from TraversableOnce[T]

Inherited from GenTraversableOnce[T]

Inherited from FilterMonadic[T, Bag[T]]

Inherited from HasNewBuilder[T, Bag[T]]

Inherited from AnyRef

Inherited from Any