Scala example source code file (Operators.scala)

This example Scala source code file (Operators.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Scala tags/keywords

array, boolean, boolean, int, list, list, operators, operators, seqoperators, t, t, traversable

The Scala Operators.scala source code

package scala.collection.parallel




trait Operators[T] {
  def reduceOperators: List[(T, T) => T]
  def countPredicates: List[T => Boolean]
  def forallPredicates: List[T => Boolean]
  def existsPredicates: List[T => Boolean]
  def findPredicates: List[T => Boolean]
  def mapFunctions: List[T => T]
  def partialMapFunctions: List[PartialFunction[T, T]]
  def flatMapFunctions: List[T => Traversable[T]]
  def filterPredicates: List[T => Boolean]
  def filterNotPredicates: List[T => Boolean]
  def partitionPredicates: List[T => Boolean]
  def takeWhilePredicates: List[T => Boolean]
  def dropWhilePredicates: List[T => Boolean]
  def spanPredicates: List[T => Boolean]
  def foldArguments: List[(T, (T, T) => T)]
  def addAllTraversables: List[Traversable[T]]
  def newArray(sz: Int): Array[T]
  def groupByFunctions: List[T => T]
}



trait SeqOperators[T] extends Operators[T] {
  def segmentLengthPredicates: List[T => Boolean]
  def indexWherePredicates: List[T => Boolean]
  def lastIndexWherePredicates: List[T => Boolean]
  def reverseMapFunctions: List[T => T]
  def sameElementsSeqs: List[Seq[T]]
  def startEndSeqs: List[Seq[T]]
}