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trait ListHelpers extends AnyRef

The ListHelpers trait provides useful functions which can be applied to Lists.

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Type Members

  1. class ListMapish extends AnyRef

    This class add a case insensitive get to a List of Pairs of String, as if it was a Map

  2. implicit class SuperList [T] extends AnyRef

    Add utility methods to Lists

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
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  2. final def ##(): Int
    Definition Classes
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  3. final def ==(arg0: Any): Boolean
    Definition Classes
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  4. final def asInstanceOf[T0]: T0
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  5. def clone(): AnyRef
    Attributes
    protected[java.lang]
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    @throws( ... )
  6. def delta[T, Res](old: Seq[T], newList: Seq[T])(f: (DeltaInfo[T]) ⇒ Res): List[Res]

    Compute the deltas between two sequences of a given type.

    Compute the deltas between two sequences of a given type. Apply the function based on the differences between the two lists. The resulting List of commands will be returned. The algorithm used to calculate the diffs is not very efficient and can degrade to O(n^2), so it's not great for large collections. Internally the Seq[T] are converted to a List[T]. Finally, it's highly recommended that T be immutable and does proper equals testing (e.g., a case class).

  7. def delta[T, Res](old: Box[Seq[T]], newList: Seq[T])(f: (DeltaInfo[T]) ⇒ Res): List[Res]

    Compute the deltas between two sequences of a given type.

    Compute the deltas between two sequences of a given type. Apply the function based on the differences between the two lists. The resulting List of commands will be returned.

  8. def enumToList[T](enum: Enumeration[T]): List[T]

    Convert a java.util.Enumeration to a List[T]

  9. def enumToStringList[C](enum: Enumeration[C]): List[String]

    Convert a java.util.Enumeration to a List[String] using the toString method on each element

  10. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  11. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  12. def finalize(): Unit
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  13. def first[B, C](in: Seq[B])(_f: (B) ⇒ Box[C]): Box[C]

    Returns the first application of f to an element of in that results in a Full Box.

    Returns the first application of f to an element of in that results in a Full Box. If f applied to an element of in results in an Empty Box, then f will be applied to the rest of the elements of in until a Full Box results. If the list runs out then an Empty Box is returned.

    in

    a list of elements to which f can be applied

    returns

    a Box containing the first Full Box or Empty if f never returns a Full Box

  14. def first_?[B](in: Seq[B])(f: ⇒ (B) ⇒ Boolean): Box[B]

    Returns a Full Box with the first element x of the list in for which f(x) evaluates to true.

    Returns a Full Box with the first element x of the list in for which f(x) evaluates to true. If f(x) evaluates to false for every x, then an Empty Box is returned.

    in

    a list of elements to which f can be applied

    f

    a function that can be applied to elements of in

    returns

    a Box containing the found element (or Empty if not found)

  15. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
  16. def hashCode(): Int
    Definition Classes
    AnyRef → Any
  17. def head[T](l: Seq[T], deft: ⇒ T): T

    Return the first element of a List or a default value if the list is empty

  18. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  19. def listIf[T](expr: Boolean)(f: ⇒ T): List[T]

    Return a list containing the element f if the expression is true

  20. implicit def listToListMapish(in: Seq[(String, String)]): ListMapish

    adds the ciGet method to a List of Pairs of Strings

  21. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  22. final def notify(): Unit
    Definition Classes
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  23. final def notifyAll(): Unit
    Definition Classes
    AnyRef
  24. def permuteList[T](in: Seq[T]): List[List[T]]

    Given a list, return all the permutations of the list.

    Given a list, return all the permutations of the list.

    in

    -- the list

    returns

    all the permutations of the list

  25. def permuteWithSublists[T](in: Seq[T]): List[List[T]]

    Given a list, return all the permutations including the removal of items (does not return a Nil list unless in is Nil).

    Given a list, return all the permutations including the removal of items (does not return a Nil list unless in is Nil).

    in

    the list to permute

    returns

    all the permutations of the list including sublists, sorted in longest to shortest

  26. def rotateList[T](in: Seq[T]): List[List[T]]

    Given an incoming list, return a set of lists that is the original list rotated through all its positions

    Given an incoming list, return a set of lists that is the original list rotated through all its positions

    in

    the list to rotate

    returns

    all the rotations of the list

  27. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  28. def toString(): String
    Definition Classes
    AnyRef → Any
  29. final def wait(): Unit
    Definition Classes
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    @throws( ... )
  30. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
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    @throws( ... )
  31. final def wait(arg0: Long): Unit
    Definition Classes
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    @throws( ... )

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