scala.collection.mutable.LinkedList

object LinkedList extends SeqFactory[LinkedList] with Serializable

This object provides a set of operations to create LinkedList values.

Type Members

type Coll = LinkedList[_]

The underlying collection type with unknown element type

  • Attributes
    • protected[this]
  • Definition Classes
    • GenericCompanion

class GenericCanBuildFrom[A] extends CanBuildFrom[CC[_], A, CC[A]]

A generic implementation of the CanBuildFrom trait, which forwards all calls to apply(from) to the genericBuilder method of collection from , and which forwards all calls of apply() to the newBuilder method of this factory.

  • Definition Classes
    • GenTraversableFactory

Value Members From scala.collection.generic.GenTraversableFactory

def ReusableCBF: GenericCanBuildFrom[Nothing]

  • Definition Classes
    • GenTraversableFactory

(defined at scala.collection.generic.GenTraversableFactory)

def concat[A](xss: collection.Traversable[A]*): LinkedList[A]

Concatenates all argument collections into a single collection.

  • xss
    • the collections that are to be concatenated.
  • returns
    • the concatenation of all the collections.
  • Definition Classes
    • GenTraversableFactory

(defined at scala.collection.generic.GenTraversableFactory)

def fill[A](n: Int)(elem: ⇒ A): LinkedList[A]

Produces a collection containing the results of some element computation a number of times.

  • n
    • the number of elements contained in the collection.
  • elem
    • the element computation
  • returns
    • A collection that contains the results of n evaluations of elem .
  • Definition Classes
    • GenTraversableFactory

(defined at scala.collection.generic.GenTraversableFactory)

def fill[A](n1: Int, n2: Int)(elem: ⇒ A): LinkedList[LinkedList[A]]

Produces a two-dimensional collection containing the results of some element computation a number of times.

  • n1
    • the number of elements in the 1st dimension
  • n2
    • the number of elements in the 2nd dimension
  • elem
    • the element computation
  • returns
    • A collection that contains the results of n1 x n2 evaluations of elem .
  • Definition Classes
    • GenTraversableFactory

(defined at scala.collection.generic.GenTraversableFactory)

def fill[A](n1: Int, n2: Int, n3: Int)(elem: ⇒ A): LinkedList[LinkedList[LinkedList[A]]]

Produces a three-dimensional collection containing the results of some element computation a number of times.

  • n1
    • the number of elements in the 1st dimension
  • n2
    • the number of elements in the 2nd dimension
  • n3
    • the number of elements in the 3nd dimension
  • elem
    • the element computation
  • returns
    • A collection that contains the results of n1 x n2 x n3 evaluations of elem .
  • Definition Classes
    • GenTraversableFactory

(defined at scala.collection.generic.GenTraversableFactory)

def fill[A](n1: Int, n2: Int, n3: Int, n4: Int)(elem: ⇒ A): LinkedList[LinkedList[LinkedList[LinkedList[A]]]]

Produces a four-dimensional collection containing the results of some element computation a number of times.

  • n1
    • the number of elements in the 1st dimension
  • n2
    • the number of elements in the 2nd dimension
  • n3
    • the number of elements in the 3nd dimension
  • n4
    • the number of elements in the 4th dimension
  • elem
    • the element computation
  • returns
    • A collection that contains the results of n1 x n2 x n3 x n4 evaluations of elem .
  • Definition Classes
    • GenTraversableFactory

(defined at scala.collection.generic.GenTraversableFactory)

def fill[A](n1: Int, n2: Int, n3: Int, n4: Int, n5: Int)(elem: ⇒ A): LinkedList[LinkedList[LinkedList[LinkedList[LinkedList[A]]]]]

Produces a five-dimensional collection containing the results of some element computation a number of times.

  • n1
    • the number of elements in the 1st dimension
  • n2
    • the number of elements in the 2nd dimension
  • n3
    • the number of elements in the 3nd dimension
  • n4
    • the number of elements in the 4th dimension
  • n5
    • the number of elements in the 5th dimension
  • elem
    • the element computation
  • returns
    • A collection that contains the results of n1 x n2 x n3 x n4 x n5 evaluations of elem .
  • Definition Classes
    • GenTraversableFactory

(defined at scala.collection.generic.GenTraversableFactory)

def iterate[A](start: A, len: Int)(f: (A) ⇒ A): LinkedList[A]

Produces a collection containing repeated applications of a function to a start value.

  • start
    • the start value of the collection
  • len
    • the number of elements contained inthe collection
  • f
    • the function that’s repeatedly applied
  • returns
    • a collection with len values in the sequence start, f(start), f(f(start)), ...
  • Definition Classes
    • GenTraversableFactory

(defined at scala.collection.generic.GenTraversableFactory)

def range[T](start: T, end: T)(implicit arg0: Integral[T]): LinkedList[T]

Produces a collection containing a sequence of increasing of integers.

  • start
    • the first element of the collection
  • end
    • the end value of the collection (the first value NOT contained)
  • returns
    • a collection with values start, start + 1, ..., end - 1
  • Definition Classes
    • GenTraversableFactory

(defined at scala.collection.generic.GenTraversableFactory)

def range[T](start: T, end: T, step: T)(implicit arg0: Integral[T]): LinkedList[T]

Produces a collection containing equally spaced values in some integer interval.

  • start
    • the start value of the collection
  • end
    • the end value of the collection (the first value NOT contained)
  • step
    • the difference between successive elements of the collection (must be positive or negative)
  • returns
    • a collection with values start, start + step, ... up to, but excluding end
  • Definition Classes
    • GenTraversableFactory

(defined at scala.collection.generic.GenTraversableFactory)

def tabulate[A](n: Int)(f: (Int) ⇒ A): LinkedList[A]

Produces a collection containing values of a given function over a range of integer values starting from 0.

  • n
    • The number of elements in the collection
  • f
    • The function computing element values
  • returns
    • A collection consisting of elements f(0), ..., f(n -1)
  • Definition Classes
    • GenTraversableFactory

(defined at scala.collection.generic.GenTraversableFactory)

def tabulate[A](n1: Int, n2: Int)(f: (Int, Int) ⇒ A): LinkedList[LinkedList[A]]

Produces a two-dimensional collection containing values of a given function over ranges of integer values starting from 0.

  • n1
    • the number of elements in the 1st dimension
  • n2
    • the number of elements in the 2nd dimension
  • f
    • The function computing element values
  • returns
    • A collection consisting of elements f(i1, i2) for 0 <= i1 < n1 and 0 <= i2 < n2 .
  • Definition Classes
    • GenTraversableFactory

(defined at scala.collection.generic.GenTraversableFactory)

def tabulate[A](n1: Int, n2: Int, n3: Int)(f: (Int, Int, Int) ⇒ A): LinkedList[LinkedList[LinkedList[A]]]

Produces a three-dimensional collection containing values of a given function over ranges of integer values starting from 0.

  • n1
    • the number of elements in the 1st dimension
  • n2
    • the number of elements in the 2nd dimension
  • n3
    • the number of elements in the 3nd dimension
  • f
    • The function computing element values
  • returns
    • A collection consisting of elements f(i1, i2, i3) for 0 <= i1 < n1 , 0 <= i2 < n2 , and 0 <= i3 < n3 .
  • Definition Classes
    • GenTraversableFactory

(defined at scala.collection.generic.GenTraversableFactory)

def tabulate[A](n1: Int, n2: Int, n3: Int, n4: Int)(f: (Int, Int, Int, Int) ⇒ A): LinkedList[LinkedList[LinkedList[LinkedList[A]]]]

Produces a four-dimensional collection containing values of a given function over ranges of integer values starting from 0.

  • n1
    • the number of elements in the 1st dimension
  • n2
    • the number of elements in the 2nd dimension
  • n3
    • the number of elements in the 3nd dimension
  • n4
    • the number of elements in the 4th dimension
  • f
    • The function computing element values
  • returns
    • A collection consisting of elements f(i1, i2, i3, i4) for 0 <= i1 < n1 , 0 <= i2 < n2 , 0 <= i3 < n3 , and 0 <= i4 < n4 .
  • Definition Classes
    • GenTraversableFactory

(defined at scala.collection.generic.GenTraversableFactory)

def tabulate[A](n1: Int, n2: Int, n3: Int, n4: Int, n5: Int)(f: (Int, Int, Int, Int, Int) ⇒ A): LinkedList[LinkedList[LinkedList[LinkedList[LinkedList[A]]]]]

Produces a five-dimensional collection containing values of a given function over ranges of integer values starting from 0.

  • n1
    • the number of elements in the 1st dimension
  • n2
    • the number of elements in the 2nd dimension
  • n3
    • the number of elements in the 3nd dimension
  • n4
    • the number of elements in the 4th dimension
  • n5
    • the number of elements in the 5th dimension
  • f
    • The function computing element values
  • returns
    • A collection consisting of elements f(i1, i2, i3, i4, i5) for 0 <= i1 < n1 , 0 <= i2 < n2 , 0 <= i3 < n3 , 0 <= i4 < n4 , and 0 <= i5 < n5 .
  • Definition Classes
    • GenTraversableFactory

(defined at scala.collection.generic.GenTraversableFactory)

Value Members From scala.collection.generic.GenericCompanion

def apply[A](elems: A*): LinkedList[A]

Creates a collection with the specified elements.

  • A
    • the type of the collection’s elements
  • elems
    • the elements of the created collection
  • returns
    • a new collection with elements elems
  • Definition Classes
    • GenericCompanion

(defined at scala.collection.generic.GenericCompanion)

Value Members From scala.collection.generic.SeqFactory

def unapplySeq[A](x: LinkedList[A]): Some[LinkedList[A]]

This method is called in a pattern match { case Seq(…) => }.

  • x
    • the selector value
  • returns
    • sequence wrapped in an option, if this is a Seq, otherwise none
  • Definition Classes
    • SeqFactory

(defined at scala.collection.generic.SeqFactory)

Value Members From scala.collection.mutable.LinkedList

implicit def canBuildFrom[A]: CanBuildFrom[Coll, A, LinkedList[A]]

(defined at scala.collection.mutable.LinkedList)

def empty[A]: LinkedList[A]

An empty collection of type LinkedList[A]

  • A
    • the type of the linked list’s elements
  • Definition Classes
    • LinkedList → GenericCompanion

(defined at scala.collection.mutable.LinkedList)

def newBuilder[A]: Builder[A, LinkedList[A]]

The default builder for LinkedList objects.

  • A
    • the type of the linked list’s elements
  • Definition Classes
    • LinkedList → GenericCompanion (defined at scala.collection.mutable.LinkedList)

Full Source:

/*                     __                                               *\
**     ________ ___   / /  ___     Scala API                            **
**    / __/ __// _ | / /  / _ |    (c) 2003-2013, LAMP/EPFL             **
**  __\ \/ /__/ __ |/ /__/ __ |    http://scala-lang.org/               **
** /____/\___/_/ |_/____/_/ | |                                         **
**                          |/                                          **
\*                                                                      */



package scala
package collection
package mutable

import generic._

/** A more traditional/primitive style of linked list where the "list" is also the "head" link. Links can be manually
  * created and manipulated, though the use of the API, when possible, is recommended.
  *
  * The danger of directly manipulating next:
  * {{{
  *     scala> val b = LinkedList(1)
  *     b: scala.collection.mutable.LinkedList[Int] = LinkedList(1)
  *
  *     scala> b.next = null
  *
  *     scala> println(b)
  *     java.lang.NullPointerException
  * }}}
  *
  *  $singleLinkedListExample
  *
  *  @author Matthias Zenger
  *  @author Martin Odersky
  *  @version 2.8
  *  @since   1
  *  @see [[http://docs.scala-lang.org/overviews/collections/concrete-mutable-collection-classes.html#linked_lists "Scala's Collection Library overview"]]
  *  section on `Linked Lists` for more information.
  *
  *  @tparam A     the type of the elements contained in this linked list.
  *
  *  @constructor Creates an "empty" list, defined as a single node with no data element and next pointing to itself.

  *  @define Coll `LinkedList`
  *  @define coll linked list
  *  @define thatinfo the class of the returned collection. In the standard library configuration,
  *    `That` is always `LinkedList[B]` because an implicit of type `CanBuildFrom[LinkedList, B, LinkedList[B]]`
  *    is defined in object `LinkedList`.
  *  @define bfinfo an implicit value of class `CanBuildFrom` which determines the
  *    result class `That` from the current representation type `Repr`
  *    and the new element type `B`. This is usually the `canBuildFrom` value
  *    defined in object `LinkedList`.
  *  @define orderDependent
  *  @define orderDependentFold
  *  @define mayNotTerminateInf
  *  @define willNotTerminateInf
  *  @define collectExample Example:
  *  {{{
  *    scala>     val a = LinkedList(1, 2, 3)
  *    a: scala.collection.mutable.LinkedList[Int] = LinkedList(1, 2, 3)
  *
  *    scala>     val addOne: PartialFunction[Any, Float] = {case i: Int => i + 1.0f}
  *    addOne: PartialFunction[Any,Float] = <function1>
  *
  *    scala>     val b = a.collect(addOne)
  *    b: scala.collection.mutable.LinkedList[Float] = LinkedList(2.0, 3.0, 4.0)
  *
  *    scala> val c = LinkedList('a')
  *    c: scala.collection.mutable.LinkedList[Char] = LinkedList(a)
  *
  *    scala> val d = a ++ c
  *    d: scala.collection.mutable.LinkedList[AnyVal] = LinkedList(1, 2, 3, a)
  *
  *    scala> val e = d.collect(addOne)
  *    e: scala.collection.mutable.LinkedList[Float] = LinkedList(2.0, 3.0, 4.0)
  *  }}}
  */
@SerialVersionUID(-7308240733518833071L)
@deprecated("Low-level linked lists are deprecated due to idiosyncrasies in interface and incomplete features.", "2.11.0")
class LinkedList[A]() extends AbstractSeq[A]
                         with LinearSeq[A]
                         with GenericTraversableTemplate[A, LinkedList]
                         with LinkedListLike[A, LinkedList[A]]
                         with Serializable {
  next = this

  /** Creates a new list. If the parameter next is null, the result is an empty list. Otherwise, the result is
   * a list with elem at the head, followed by the contents of next.
   *
   * Note that next is part of the new list, as opposed to the +: operator,
   * which makes a new copy of the original list.
   *
   * @example
   * {{{
   *     scala> val m = LinkedList(1)
   *     m: scala.collection.mutable.LinkedList[Int] = LinkedList(1)
   *
   *     scala> val n = new LinkedList[Int](2, m)
   *     n: scala.collection.mutable.LinkedList[Int] = LinkedList(2, 1)
   * }}}
   */
  def this(elem: A, next: LinkedList[A]) {
    this()
    if (next != null) {
      this.elem = elem
      this.next = next
    }
  }

  override def companion: GenericCompanion[LinkedList] = LinkedList
}

/** $factoryInfo
 *  @define Coll `LinkedList`
 *  @define coll linked list
 */
@deprecated("Low-level linked lists are deprecated.", "2.11.0")
object LinkedList extends SeqFactory[LinkedList] {
  override def empty[A]: LinkedList[A] = new LinkedList[A]
  implicit def canBuildFrom[A]: CanBuildFrom[Coll, A, LinkedList[A]] = ReusableCBF.asInstanceOf[GenericCanBuildFrom[A]]

  def newBuilder[A]: Builder[A, LinkedList[A]] =
    (new MutableList) mapResult ((l: MutableList[A]) => l.toLinkedList)
}