trait PeekIterator[+T] extends Iterator[T]

Extension of the iterator trait where the next element can be peeked without popping it

Linear Supertypes
Iterator[T], IterableOnceOps[T, Iterator, Iterator[T]], IterableOnce[T], AnyRef, Any
Known Subclasses
LCBlender, PeekIteratorTrafo, PriorityQueueWithIterators
Ordering
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  2. By Inheritance
Inherited
  1. PeekIterator
  2. Iterator
  3. IterableOnceOps
  4. IterableOnce
  5. AnyRef
  6. Any
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Visibility
  1. Public
  2. Protected

Type Members

  1. class GroupedIterator[B >: A] extends AbstractIterator[Seq[B]]
    Definition Classes
    Iterator

Abstract Value Members

  1. abstract def hasNext: Boolean
    Definition Classes
    Iterator
  2. abstract def next(): T
    Definition Classes
    Iterator
    Annotations
    @throws(scala.this.throws.<init>$default$1[NoSuchElementException])
  3. abstract def peekNext: T

Concrete Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##: Int
    Definition Classes
    AnyRef → Any
  3. final def ++[B >: T](xs: => IterableOnce[B]): Iterator[B]
    Definition Classes
    Iterator
    Annotations
    @inline()
  4. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  5. final def addString(b: StringBuilder): b.type
    Definition Classes
    IterableOnceOps
    Annotations
    @inline()
  6. final def addString(b: StringBuilder, sep: String): b.type
    Definition Classes
    IterableOnceOps
    Annotations
    @inline()
  7. def addString(b: StringBuilder, start: String, sep: String, end: String): b.type
    Definition Classes
    IterableOnceOps
  8. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  9. def buffered: BufferedIterator[T]
    Definition Classes
    Iterator
  10. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.CloneNotSupportedException]) @HotSpotIntrinsicCandidate() @native()
  11. def collect[B](pf: PartialFunction[T, B]): Iterator[B]
    Definition Classes
    Iterator → IterableOnceOps
  12. def collectFirst[B](pf: PartialFunction[T, B]): Option[B]
    Definition Classes
    IterableOnceOps
  13. def concat[B >: T](xs: => IterableOnce[B]): Iterator[B]
    Definition Classes
    Iterator
  14. def contains(elem: Any): Boolean
    Definition Classes
    Iterator
  15. def copyToArray[B >: T](xs: Array[B], start: Int, len: Int): Int
    Definition Classes
    IterableOnceOps
  16. def copyToArray[B >: T](xs: Array[B], start: Int): Int
    Definition Classes
    IterableOnceOps
    Annotations
    @deprecatedOverriding()
  17. def copyToArray[B >: T](xs: Array[B]): Int
    Definition Classes
    IterableOnceOps
    Annotations
    @deprecatedOverriding()
  18. def corresponds[B](that: IterableOnce[B])(p: (T, B) => Boolean): Boolean
    Definition Classes
    IterableOnceOps
  19. def count(p: (T) => Boolean): Int
    Definition Classes
    IterableOnceOps
  20. def distinct: Iterator[T]
    Definition Classes
    Iterator
  21. def distinctBy[B](f: (T) => B): Iterator[T]
    Definition Classes
    Iterator
  22. def drop(n: Int): Iterator[T]
    Definition Classes
    Iterator → IterableOnceOps
  23. def dropAll: Unit
  24. def dropWhile(p: (T) => Boolean): Iterator[T]
    Definition Classes
    Iterator → IterableOnceOps
  25. def duplicate: (Iterator[T], Iterator[T])
    Definition Classes
    Iterator
  26. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  27. def equals(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef → Any
  28. def exists(p: (T) => Boolean): Boolean
    Definition Classes
    IterableOnceOps
  29. def filter(p: (T) => Boolean): Iterator[T]
    Definition Classes
    Iterator → IterableOnceOps
  30. def filterNot(p: (T) => Boolean): Iterator[T]
    Definition Classes
    Iterator → IterableOnceOps
  31. def find(p: (T) => Boolean): Option[T]
    Definition Classes
    IterableOnceOps
  32. def flatMap[B](f: (T) => IterableOnce[B]): Iterator[B]
    Definition Classes
    Iterator → IterableOnceOps
  33. def flatten[B](implicit ev: (T) => IterableOnce[B]): Iterator[B]
    Definition Classes
    Iterator → IterableOnceOps
  34. def fold[A1 >: T](z: A1)(op: (A1, A1) => A1): A1
    Definition Classes
    IterableOnceOps
  35. def foldLeft[B](z: B)(op: (B, T) => B): B
    Definition Classes
    IterableOnceOps
  36. def foldRight[B](z: B)(op: (T, B) => B): B
    Definition Classes
    IterableOnceOps
  37. def forall(p: (T) => Boolean): Boolean
    Definition Classes
    IterableOnceOps
  38. def foreach[U](f: (T) => U): Unit
    Definition Classes
    IterableOnceOps
  39. final def getClass(): Class[_ <: AnyRef]
    Definition Classes
    AnyRef → Any
    Annotations
    @HotSpotIntrinsicCandidate() @native()
  40. def grouped[B >: T](size: Int): GroupedIterator[B]
    Definition Classes
    Iterator
  41. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @HotSpotIntrinsicCandidate() @native()
  42. def indexOf[B >: T](elem: B, from: Int): Int
    Definition Classes
    Iterator
  43. def indexOf[B >: T](elem: B): Int
    Definition Classes
    Iterator
  44. def indexWhere(p: (T) => Boolean, from: Int): Int
    Definition Classes
    Iterator
  45. def isEmpty: Boolean
    Definition Classes
    Iterator → IterableOnceOps
    Annotations
    @deprecatedOverriding()
  46. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  47. def isTraversableAgain: Boolean
    Definition Classes
    IterableOnceOps
  48. final def iterator: Iterator[T]
    Definition Classes
    Iterator → IterableOnce
    Annotations
    @inline()
  49. def knownSize: Int
    Definition Classes
    IterableOnce
  50. final def length: Int
    Definition Classes
    Iterator
    Annotations
    @inline()
  51. def map[B](f: (T) => B): Iterator[B]
    Definition Classes
    Iterator → IterableOnceOps
  52. def max[B >: T](implicit ord: Ordering[B]): T
    Definition Classes
    IterableOnceOps
  53. def maxBy[B](f: (T) => B)(implicit ord: Ordering[B]): T
    Definition Classes
    IterableOnceOps
  54. def maxByOption[B](f: (T) => B)(implicit ord: Ordering[B]): Option[T]
    Definition Classes
    IterableOnceOps
  55. def maxOption[B >: T](implicit ord: Ordering[B]): Option[T]
    Definition Classes
    IterableOnceOps
  56. def min[B >: T](implicit ord: Ordering[B]): T
    Definition Classes
    IterableOnceOps
  57. def minBy[B](f: (T) => B)(implicit ord: Ordering[B]): T
    Definition Classes
    IterableOnceOps
  58. def minByOption[B](f: (T) => B)(implicit ord: Ordering[B]): Option[T]
    Definition Classes
    IterableOnceOps
  59. def minOption[B >: T](implicit ord: Ordering[B]): Option[T]
    Definition Classes
    IterableOnceOps
  60. final def mkString: String
    Definition Classes
    IterableOnceOps
    Annotations
    @inline()
  61. final def mkString(sep: String): String
    Definition Classes
    IterableOnceOps
    Annotations
    @inline()
  62. final def mkString(start: String, sep: String, end: String): String
    Definition Classes
    IterableOnceOps
  63. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  64. def nextOption(): Option[T]
    Definition Classes
    Iterator
  65. def nonEmpty: Boolean
    Definition Classes
    IterableOnceOps
    Annotations
    @deprecatedOverriding()
  66. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @HotSpotIntrinsicCandidate() @native()
  67. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @HotSpotIntrinsicCandidate() @native()
  68. def padTo[B >: T](len: Int, elem: B): Iterator[B]
    Definition Classes
    Iterator
  69. def partition(p: (T) => Boolean): (Iterator[T], Iterator[T])
    Definition Classes
    Iterator
  70. def patch[B >: T](from: Int, patchElems: Iterator[B], replaced: Int): Iterator[B]
    Definition Classes
    Iterator
  71. def product[B >: T](implicit num: Numeric[B]): B
    Definition Classes
    IterableOnceOps
  72. def reduce[B >: T](op: (B, B) => B): B
    Definition Classes
    IterableOnceOps
  73. def reduceLeft[B >: T](op: (B, T) => B): B
    Definition Classes
    IterableOnceOps
  74. def reduceLeftOption[B >: T](op: (B, T) => B): Option[B]
    Definition Classes
    IterableOnceOps
  75. def reduceOption[B >: T](op: (B, B) => B): Option[B]
    Definition Classes
    IterableOnceOps
  76. def reduceRight[B >: T](op: (T, B) => B): B
    Definition Classes
    IterableOnceOps
  77. def reduceRightOption[B >: T](op: (T, B) => B): Option[B]
    Definition Classes
    IterableOnceOps
  78. def reversed: Iterable[T]
    Attributes
    protected
    Definition Classes
    IterableOnceOps
  79. def sameElements[B >: T](that: IterableOnce[B]): Boolean
    Definition Classes
    Iterator
  80. def scanLeft[B](z: B)(op: (B, T) => B): Iterator[B]
    Definition Classes
    Iterator → IterableOnceOps
  81. def size: Int
    Definition Classes
    IterableOnceOps
  82. def slice(from: Int, until: Int): Iterator[T]
    Definition Classes
    Iterator → IterableOnceOps
  83. def sliceIterator(from: Int, until: Int): Iterator[T]
    Attributes
    protected
    Definition Classes
    Iterator
  84. def sliding[B >: T](size: Int, step: Int): GroupedIterator[B]
    Definition Classes
    Iterator
  85. def span(p: (T) => Boolean): (Iterator[T], Iterator[T])
    Definition Classes
    Iterator → IterableOnceOps
  86. def splitAt(n: Int): (Iterator[T], Iterator[T])
    Definition Classes
    IterableOnceOps
  87. def stepper[S <: Stepper[_]](implicit shape: StepperShape[T, S]): S
    Definition Classes
    IterableOnce
  88. def sum[B >: T](implicit num: Numeric[B]): B
    Definition Classes
    IterableOnceOps
  89. final def synchronized[T0](arg0: => T0): T0
    Definition Classes
    AnyRef
  90. def take(n: Int): Iterator[T]
    Definition Classes
    Iterator → IterableOnceOps
  91. def takeWhile(p: (T) => Boolean): Iterator[T]
    Definition Classes
    Iterator → IterableOnceOps
  92. def tapEach[U](f: (T) => U): Iterator[T]
    Definition Classes
    Iterator → IterableOnceOps
  93. def to[C1](factory: Factory[T, C1]): C1
    Definition Classes
    IterableOnceOps
  94. def toArray[B >: T](implicit arg0: ClassTag[B]): Array[B]
    Definition Classes
    IterableOnceOps
  95. final def toBuffer[B >: T]: Buffer[B]
    Definition Classes
    IterableOnceOps
    Annotations
    @inline()
  96. def toIndexedSeq: IndexedSeq[T]
    Definition Classes
    IterableOnceOps
  97. def toList: List[T]
    Definition Classes
    IterableOnceOps
  98. def toMap[K, V](implicit ev: <:<[T, (K, V)]): Map[K, V]
    Definition Classes
    IterableOnceOps
  99. def toSeq: Seq[T]
    Definition Classes
    IterableOnceOps
  100. def toSet[B >: T]: Set[B]
    Definition Classes
    IterableOnceOps
  101. def toString(): String
    Definition Classes
    Iterator → AnyRef → Any
  102. def toVector: Vector[T]
    Definition Classes
    IterableOnceOps
  103. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
  104. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException]) @native()
  105. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
  106. def withFilter(p: (T) => Boolean): Iterator[T]
    Definition Classes
    Iterator
  107. def zip[B](that: IterableOnce[B]): Iterator[(T, B)]
    Definition Classes
    Iterator
  108. def zipAll[A1 >: T, B](that: IterableOnce[B], thisElem: A1, thatElem: B): Iterator[(A1, B)]
    Definition Classes
    Iterator
  109. def zipWithIndex: Iterator[(T, Int)]
    Definition Classes
    Iterator → IterableOnceOps

Deprecated Value Members

  1. final def /:[B](z: B)(op: (B, T) => B): B
    Definition Classes
    IterableOnceOps
    Annotations
    @deprecated @inline()
    Deprecated

    (Since version 2.13.0) Use foldLeft instead of /:

  2. final def :\[B](z: B)(op: (T, B) => B): B
    Definition Classes
    IterableOnceOps
    Annotations
    @deprecated @inline()
    Deprecated

    (Since version 2.13.0) Use foldRight instead of :\

  3. def aggregate[B](z: => B)(seqop: (B, T) => B, combop: (B, B) => B): B
    Definition Classes
    IterableOnceOps
    Annotations
    @deprecated
    Deprecated

    (Since version 2.13.0) For sequential collections, prefer foldLeft(z)(seqop). For parallel collections, use ParIterableLike#aggregate.

  4. final def copyToBuffer[B >: T](dest: Buffer[B]): Unit
    Definition Classes
    IterableOnceOps
    Annotations
    @deprecated @inline()
    Deprecated

    (Since version 2.13.0) Use dest ++= coll instead

  5. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.Throwable]) @Deprecated
    Deprecated

    (Since version 9)

  6. final def hasDefiniteSize: Boolean
    Definition Classes
    Iterator → IterableOnceOps
    Annotations
    @deprecated @inline()
    Deprecated

    (Since version 2.13.0) hasDefiniteSize on Iterator is the same as isEmpty

  7. def scanRight[B](z: B)(op: (T, B) => B): Iterator[B]
    Definition Classes
    Iterator
    Annotations
    @deprecated
    Deprecated

    (Since version 2.13.0) Call scanRight on an Iterable instead.

  8. def seq: PeekIterator.this.type
    Definition Classes
    Iterator
    Annotations
    @deprecated
    Deprecated

    (Since version 2.13.0) Iterator.seq always returns the iterator itself

  9. final def toIterator: Iterator[T]
    Definition Classes
    IterableOnceOps
    Annotations
    @deprecated @inline()
    Deprecated

    (Since version 2.13.0) Use .iterator instead of .toIterator

  10. final def toStream: Stream[T]
    Definition Classes
    IterableOnceOps
    Annotations
    @deprecated @inline()
    Deprecated

    (Since version 2.13.0) Use .to(LazyList) instead of .toStream

Inherited from Iterator[T]

Inherited from IterableOnceOps[T, Iterator, Iterator[T]]

Inherited from IterableOnce[T]

Inherited from AnyRef

Inherited from Any

Ungrouped