Packages

class Single[+T] extends CloseableIterator[T]

A CloseableIterator which contains exactly one item.

Source
CloseableIterator.scala
Linear Supertypes
CloseableIterator[T], Closeable, AutoCloseable, Iterator[T], TraversableOnce[T], GenTraversableOnce[T], AnyRef, Any
Type Hierarchy
Ordering
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  2. By Inheritance
Inherited
  1. Single
  2. CloseableIterator
  3. Closeable
  4. AutoCloseable
  5. Iterator
  6. TraversableOnce
  7. GenTraversableOnce
  8. AnyRef
  9. Any
Implicitly
  1. by MonadOps
  2. by any2stringadd
  3. by StringFormat
  4. by Ensuring
  5. by ArrowAssoc
  6. by alternateImplicit
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new Single(item: T)

Type Members

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

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. def +(other: String): String
    Implicit
    This member is added by an implicit conversion from Single[T] to any2stringadd[Single[T]] performed by method any2stringadd in scala.Predef.
    Definition Classes
    any2stringadd
  4. def ++[B >: T](that: ⇒ GenTraversableOnce[B]): Iterator[B]
    Definition Classes
    Iterator
  5. def ->[B](y: B): (Single[T], B)
    Implicit
    This member is added by an implicit conversion from Single[T] to ArrowAssoc[Single[T]] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc
    Annotations
    @inline()
  6. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  7. def addString(b: StringBuilder): StringBuilder
    Definition Classes
    TraversableOnce
  8. def addString(b: StringBuilder, sep: String): StringBuilder
    Definition Classes
    TraversableOnce
  9. def addString(b: StringBuilder, start: String, sep: String, end: String): StringBuilder
    Definition Classes
    TraversableOnce
  10. def aggregate[B](z: ⇒ B)(seqop: (B, T) ⇒ B, combop: (B, B) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  11. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  12. def buffered: BufferedIterator[T]
    Definition Classes
    Iterator
  13. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native() @HotSpotIntrinsicCandidate()
  14. def close(): Unit

    Close the underlying data source.

    Close the underlying data source. The behaviour of any methods of this object after closing it is undefined.

    Definition Classes
    Single → CloseableIterator → Closeable → AutoCloseable
  15. def collect[B](pf: PartialFunction[T, B]): Iterator[B]
    Definition Classes
    Iterator
    Annotations
    @migration
    Migration

    (Changed in version 2.8.0) collect has changed. The previous behavior can be reproduced with toSeq.

  16. def collectFirst[B](pf: PartialFunction[T, B]): Option[B]
    Definition Classes
    TraversableOnce
  17. def contains(elem: Any): Boolean
    Definition Classes
    Iterator
  18. def copyToArray[B >: T](xs: Array[B], start: Int, len: Int): Unit
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  19. def copyToArray[B >: T](xs: Array[B]): Unit
    Definition Classes
    TraversableOnce → GenTraversableOnce
  20. def copyToArray[B >: T](xs: Array[B], start: Int): Unit
    Definition Classes
    TraversableOnce → GenTraversableOnce
  21. def copyToBuffer[B >: T](dest: Buffer[B]): Unit
    Definition Classes
    TraversableOnce
  22. def corresponds[B](that: GenTraversableOnce[B])(p: (T, B) ⇒ Boolean): Boolean
    Definition Classes
    Iterator
  23. def count(p: (T) ⇒ Boolean): Int
    Definition Classes
    TraversableOnce → GenTraversableOnce
  24. def drop(n: Int): Iterator[T]
    Definition Classes
    Iterator
  25. def dropWhile(p: (T) ⇒ Boolean): Iterator[T]
    Definition Classes
    Iterator
  26. def duplicate: (Iterator[T], Iterator[T])
    Definition Classes
    Iterator
  27. def ensuring(cond: (Single[T]) ⇒ Boolean, msg: ⇒ Any): Single[T]
    Implicit
    This member is added by an implicit conversion from Single[T] to Ensuring[Single[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  28. def ensuring(cond: (Single[T]) ⇒ Boolean): Single[T]
    Implicit
    This member is added by an implicit conversion from Single[T] to Ensuring[Single[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  29. def ensuring(cond: Boolean, msg: ⇒ Any): Single[T]
    Implicit
    This member is added by an implicit conversion from Single[T] to Ensuring[Single[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  30. def ensuring(cond: Boolean): Single[T]
    Implicit
    This member is added by an implicit conversion from Single[T] to Ensuring[Single[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  31. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  32. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  33. def exists(p: (T) ⇒ Boolean): Boolean
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  34. def filter(p: (T) ⇒ Boolean): Iterator[T]
    Definition Classes
    Iterator
  35. def filterNot(p: (T) ⇒ Boolean): Iterator[T]
    Definition Classes
    Iterator
  36. def find(p: (T) ⇒ Boolean): Option[T]
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  37. def flatMap[B](f: (T) ⇒ GenTraversableOnce[B]): Iterator[B]
    Definition Classes
    Iterator
  38. def fold[A1 >: T](z: A1)(op: (A1, A1) ⇒ A1): A1
    Definition Classes
    TraversableOnce → GenTraversableOnce
  39. def foldLeft[B](z: B)(op: (B, T) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  40. def foldRight[B](z: B)(op: (T, B) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  41. def forall(p: (T) ⇒ Boolean): Boolean
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  42. def foreach[U](f: (T) ⇒ U): Unit
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  43. def formatted(fmtstr: String): String
    Implicit
    This member is added by an implicit conversion from Single[T] to StringFormat[Single[T]] performed by method StringFormat in scala.Predef.
    Definition Classes
    StringFormat
    Annotations
    @inline()
  44. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  45. def grouped[B >: T](size: Int): GroupedIterator[B]
    Definition Classes
    Iterator
  46. def hasDefiniteSize: Boolean
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  47. def hasNext: Boolean
    Definition Classes
    Single → Iterator
  48. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  49. def indexOf[B >: T](elem: B, from: Int): Int
    Definition Classes
    Iterator
  50. def indexOf[B >: T](elem: B): Int
    Definition Classes
    Iterator
  51. def indexWhere(p: (T) ⇒ Boolean, from: Int): Int
    Definition Classes
    Iterator
  52. def indexWhere(p: (T) ⇒ Boolean): Int
    Definition Classes
    Iterator
  53. def isEmpty: Boolean
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  54. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  55. def isTraversableAgain: Boolean
    Definition Classes
    Iterator → GenTraversableOnce
  56. def length: Int
    Definition Classes
    Iterator
  57. def map[B](f: (T) ⇒ B): CloseableIterator[B]
    Definition Classes
    CloseableIterator → Iterator
  58. def max[B >: T](implicit cmp: Ordering[B]): T
    Definition Classes
    TraversableOnce → GenTraversableOnce
  59. def maxBy[B](f: (T) ⇒ B)(implicit cmp: Ordering[B]): T
    Definition Classes
    TraversableOnce → GenTraversableOnce
  60. def min[B >: T](implicit cmp: Ordering[B]): T
    Definition Classes
    TraversableOnce → GenTraversableOnce
  61. def minBy[B](f: (T) ⇒ B)(implicit cmp: Ordering[B]): T
    Definition Classes
    TraversableOnce → GenTraversableOnce
  62. def mkString: String
    Definition Classes
    TraversableOnce → GenTraversableOnce
  63. def mkString(sep: String): String
    Definition Classes
    TraversableOnce → GenTraversableOnce
  64. def mkString(start: String, sep: String, end: String): String
    Definition Classes
    TraversableOnce → GenTraversableOnce
  65. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  66. def next(): T
    Definition Classes
    Single → Iterator
  67. final def noNext: Nothing
    Attributes
    protected
    Definition Classes
    CloseableIterator
  68. def nonEmpty: Boolean
    Definition Classes
    TraversableOnce → GenTraversableOnce
  69. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  70. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  71. def padTo[A1 >: T](len: Int, elem: A1): Iterator[A1]
    Definition Classes
    Iterator
  72. def partition(p: (T) ⇒ Boolean): (Iterator[T], Iterator[T])
    Definition Classes
    Iterator
  73. def patch[B >: T](from: Int, patchElems: Iterator[B], replaced: Int): Iterator[B]
    Definition Classes
    Iterator
  74. def product[B >: T](implicit num: Numeric[B]): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  75. def reduce[A1 >: T](op: (A1, A1) ⇒ A1): A1
    Definition Classes
    TraversableOnce → GenTraversableOnce
  76. def reduceLeft[B >: T](op: (B, T) ⇒ B): B
    Definition Classes
    TraversableOnce
  77. def reduceLeftOption[B >: T](op: (B, T) ⇒ B): Option[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  78. def reduceOption[A1 >: T](op: (A1, A1) ⇒ A1): Option[A1]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  79. def reduceRight[B >: T](op: (T, B) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  80. def reduceRightOption[B >: T](op: (T, B) ⇒ B): Option[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  81. def reversed: List[T]
    Attributes
    protected[this]
    Definition Classes
    TraversableOnce
  82. def sameElements(that: Iterator[_]): Boolean
    Definition Classes
    Iterator
  83. def scanLeft[B](z: B)(op: (B, T) ⇒ B): Iterator[B]
    Definition Classes
    Iterator
  84. def scanRight[B](z: B)(op: (T, B) ⇒ B): Iterator[B]
    Definition Classes
    Iterator
  85. def seq: Iterator[T]
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  86. def size: Int
    Definition Classes
    TraversableOnce → GenTraversableOnce
  87. def sizeHintIfCheap: Int
    Attributes
    protected[scala.collection]
    Definition Classes
    GenTraversableOnce
  88. def slice(from: Int, until: Int): Iterator[T]
    Definition Classes
    Iterator
  89. def sliceIterator(from: Int, until: Int): Iterator[T]
    Attributes
    protected
    Definition Classes
    Iterator
  90. def sliding[B >: T](size: Int, step: Int): GroupedIterator[B]
    Definition Classes
    Iterator
  91. def span(p: (T) ⇒ Boolean): (Iterator[T], Iterator[T])
    Definition Classes
    Iterator
  92. def sum[B >: T](implicit num: Numeric[B]): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  93. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  94. def take(n: Int): Iterator[T]
    Definition Classes
    Iterator
  95. def takeWhile(p: (T) ⇒ Boolean): Iterator[T]
    Definition Classes
    Iterator
  96. final def thenClose(c: Closeable): CloseableIterator[T]

    Return a new CloseableIterator which also closes the supplied Closeable object when itself gets closed.

    Return a new CloseableIterator which also closes the supplied Closeable object when itself gets closed.

    Definition Classes
    CloseableIterator
  97. def to[Col[_]](implicit cbf: CanBuildFrom[Nothing, T, Col[T]]): Col[T]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  98. def toArray[B >: T](implicit arg0: ClassTag[B]): Array[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  99. def toBuffer[B >: T]: Buffer[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  100. def toIndexedSeq: IndexedSeq[T]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  101. def toIterable: Iterable[T]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  102. def toIterator: Iterator[T]
    Definition Classes
    Iterator → GenTraversableOnce
  103. def toList: List[T]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  104. def toMap[T, U](implicit ev: <:<[T, (T, U)]): Map[T, U]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  105. def toSeq: Seq[T]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  106. def toSet[B >: T]: Set[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  107. def toStream: Stream[T]
    Definition Classes
    Iterator → GenTraversableOnce
  108. def toString(): String
    Definition Classes
    Iterator → AnyRef → Any
  109. def toTraversable: Traversable[T]
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  110. def toVector: Vector[T]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  111. final def use[R](f: ⇒ R): R
    Definition Classes
    CloseableIterator
  112. final def use[R](f: (Iterator[T]) ⇒ R): R
    Definition Classes
    CloseableIterator
  113. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  114. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  115. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  116. def withFilter(p: (T) ⇒ Boolean): Iterator[T]
    Definition Classes
    Iterator
  117. def zip[B](that: Iterator[B]): Iterator[(T, B)]
    Definition Classes
    Iterator
  118. def zipAll[B, A1 >: T, B1 >: B](that: Iterator[B], thisElem: A1, thatElem: B1): Iterator[(A1, B1)]
    Definition Classes
    Iterator
  119. def zipWithIndex: Iterator[(T, Int)]
    Definition Classes
    Iterator
  120. def →[B](y: B): (Single[T], B)
    Implicit
    This member is added by an implicit conversion from Single[T] to ArrowAssoc[Single[T]] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc

Shadowed Implicit Value Members

  1. def filter(p: (T) ⇒ Boolean): TraversableOnce[T]
    Implicit
    This member is added by an implicit conversion from Single[T] to MonadOps[T] performed by method MonadOps in scala.collection.TraversableOnce.
    Shadowing
    This implicitly inherited member is shadowed by one or more members in this class.
    To access this member you can use a type ascription:
    (single: MonadOps[T]).filter(p)
    Definition Classes
    MonadOps
  2. def flatMap[B](f: (T) ⇒ GenTraversableOnce[B]): TraversableOnce[B]
    Implicit
    This member is added by an implicit conversion from Single[T] to MonadOps[T] performed by method MonadOps in scala.collection.TraversableOnce.
    Shadowing
    This implicitly inherited member is shadowed by one or more members in this class.
    To access this member you can use a type ascription:
    (single: MonadOps[T]).flatMap(f)
    Definition Classes
    MonadOps
  3. def map[B](f: (T) ⇒ B): TraversableOnce[B]
    Implicit
    This member is added by an implicit conversion from Single[T] to MonadOps[T] performed by method MonadOps in scala.collection.TraversableOnce.
    Shadowing
    This implicitly inherited member is shadowed by one or more members in this class.
    To access this member you can use a type ascription:
    (single: MonadOps[T]).map(f)
    Definition Classes
    MonadOps
  4. def withFilter(p: (T) ⇒ Boolean): Iterator[T]
    Implicit
    This member is added by an implicit conversion from Single[T] to MonadOps[T] performed by method MonadOps in scala.collection.TraversableOnce.
    Shadowing
    This implicitly inherited member is shadowed by one or more members in this class.
    To access this member you can use a type ascription:
    (single: MonadOps[T]).withFilter(p)
    Definition Classes
    MonadOps

Deprecated Value Members

  1. def /:[B](z: B)(op: (B, T) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
    Annotations
    @deprecated
    Deprecated

    (Since version 2.12.10) Use foldLeft instead of /:

  2. def :\[B](z: B)(op: (T, B) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
    Annotations
    @deprecated
    Deprecated

    (Since version 2.12.10) Use foldRight instead of :\

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

Inherited from CloseableIterator[T]

Inherited from Closeable

Inherited from AutoCloseable

Inherited from Iterator[T]

Inherited from TraversableOnce[T]

Inherited from GenTraversableOnce[T]

Inherited from AnyRef

Inherited from Any

Inherited by implicit conversion MonadOps from Single[T] to MonadOps[T]

Inherited by implicit conversion any2stringadd from Single[T] to any2stringadd[Single[T]]

Inherited by implicit conversion StringFormat from Single[T] to StringFormat[Single[T]]

Inherited by implicit conversion Ensuring from Single[T] to Ensuring[Single[T]]

Inherited by implicit conversion ArrowAssoc from Single[T] to ArrowAssoc[Single[T]]

Inherited by implicit conversion alternateImplicit from Single[T] to ForceImplicitAmbiguity

Ungrouped