Packages

object View extends IterableFactory[View]

This object reifies operations on views as case classes

Annotations
@SerialVersionUID()
Source
View.scala
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  1. View
  2. IterableFactory
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Visibility
  1. Public
  2. Protected

Type Members

  1. class Appended[+A] extends AbstractView[A]

    A view that appends an element to its elements

    A view that appends an element to its elements

    Annotations
    @SerialVersionUID()
  2. class Collect[+A, B] extends AbstractView[B]

    A view that collects elements of the underlying collection.

    A view that collects elements of the underlying collection.

    Annotations
    @SerialVersionUID()
  3. class Concat[A] extends AbstractView[A]

    A view that concatenates elements of the prefix collection or iterator with the elements of the suffix collection or iterator.

    A view that concatenates elements of the prefix collection or iterator with the elements of the suffix collection or iterator.

    Annotations
    @SerialVersionUID()
  4. class DistinctBy[A, B] extends AbstractView[A]

    A view that removes the duplicated elements as determined by the transformation function f

    A view that removes the duplicated elements as determined by the transformation function f

    Annotations
    @SerialVersionUID()
  5. class Drop[A] extends AbstractView[A]

    A view that drops leading elements of the underlying collection.

    A view that drops leading elements of the underlying collection.

    Annotations
    @SerialVersionUID()
  6. class DropRight[A] extends AbstractView[A]

    A view that drops trailing elements of the underlying collection.

    A view that drops trailing elements of the underlying collection.

    Annotations
    @SerialVersionUID()
  7. class DropWhile[A] extends AbstractView[A]
    Annotations
    @SerialVersionUID()
  8. class Elems[A] extends AbstractView[A]

    A view with given elements

    A view with given elements

    Annotations
    @SerialVersionUID()
  9. class Fill[A] extends AbstractView[A]

    A view containing the results of some element computation a number of times.

    A view containing the results of some element computation a number of times.

    Annotations
    @SerialVersionUID()
  10. class Filter[A] extends AbstractView[A]

    A view that filters an underlying collection.

    A view that filters an underlying collection.

    Annotations
    @SerialVersionUID()
  11. class FlatMap[A, B] extends AbstractView[B]

    A view that flatmaps elements of the underlying collection.

    A view that flatmaps elements of the underlying collection.

    Annotations
    @SerialVersionUID()
  12. class Iterate[A] extends AbstractView[A]

    A view containing repeated applications of a function to a start value

    A view containing repeated applications of a function to a start value

    Annotations
    @SerialVersionUID()
  13. class LeftPartitionMapped[A, A1, A2] extends AbstractView[A1]
    Annotations
    @SerialVersionUID()
  14. class Map[+A, +B] extends AbstractView[B]

    A view that maps elements of the underlying collection.

    A view that maps elements of the underlying collection.

    Annotations
    @SerialVersionUID()
  15. class PadTo[A] extends AbstractView[A]
    Annotations
    @SerialVersionUID()
  16. class Prepended[+A] extends AbstractView[A]

    A view that prepends an element to its elements

    A view that prepends an element to its elements

    Annotations
    @SerialVersionUID()
  17. class RightPartitionMapped[A, A1, A2] extends AbstractView[A2]
    Annotations
    @SerialVersionUID()
  18. class ScanLeft[+A, +B] extends AbstractView[B]
    Annotations
    @SerialVersionUID()
  19. class Single[A] extends AbstractView[A]

    A view with exactly one element

    A view with exactly one element

    Annotations
    @SerialVersionUID()
  20. type SomeIterableOps[A] = IterableOps[A, AnyConstr, _]

    An IterableOps whose collection type and collection type constructor are unknown

  21. class Tabulate[A] extends AbstractView[A]

    A view containing values of a given function over a range of integer values starting from 0.

    A view containing values of a given function over a range of integer values starting from 0.

    Annotations
    @SerialVersionUID()
  22. class Take[+A] extends AbstractView[A]

    A view that takes leading elements of the underlying collection.

    A view that takes leading elements of the underlying collection.

    Annotations
    @SerialVersionUID()
  23. class TakeRight[+A] extends AbstractView[A]

    A view that takes trailing elements of the underlying collection.

    A view that takes trailing elements of the underlying collection.

    Annotations
    @SerialVersionUID()
  24. class TakeWhile[A] extends AbstractView[A]
    Annotations
    @SerialVersionUID()
  25. class Unfold[A, S] extends AbstractView[A]

    A view that uses a function f to produce elements of type A and update an internal state S.

    A view that uses a function f to produce elements of type A and update an internal state S.

    Annotations
    @SerialVersionUID()
  26. class Updated[A] extends AbstractView[A]
    Annotations
    @SerialVersionUID()
  27. class Zip[A, B] extends AbstractView[(A, B)]

    A view that zips elements of the underlying collection with the elements of another collection.

    A view that zips elements of the underlying collection with the elements of another collection.

    Annotations
    @SerialVersionUID()
  28. class ZipAll[A, B] extends AbstractView[(A, B)]

    A view that zips elements of the underlying collection with the elements of another collection.

    A view that zips elements of the underlying collection with the elements of another collection. If one of the two collections is shorter than the other, placeholder elements are used to extend the shorter collection to the length of the longer.

    Annotations
    @SerialVersionUID()
  29. class ZipWithIndex[A] extends AbstractView[(A, Int)]
    Annotations
    @SerialVersionUID()

Value Members

  1. final def !=(arg0: Any): Boolean

    Test two objects for inequality.

    Test two objects for inequality.

    returns

    true if !(this == that), false otherwise.

    Definition Classes
    AnyRef → Any
  2. final def ##: Int

    Equivalent to x.hashCode except for boxed numeric types and null.

    Equivalent to x.hashCode except for boxed numeric types and null. For numerics, it returns a hash value which is consistent with value equality: if two value type instances compare as true, then ## will produce the same hash value for each of them. For null returns a hashcode where null.hashCode throws a NullPointerException.

    returns

    a hash value consistent with ==

    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean

    The expression x == that is equivalent to if (x eq null) that eq null else x.equals(that).

    The expression x == that is equivalent to if (x eq null) that eq null else x.equals(that).

    returns

    true if the receiver object is equivalent to the argument; false otherwise.

    Definition Classes
    AnyRef → Any
  4. def apply[A](xs: A*): View[A]

    Creates a view with the specified elements.

    Creates a view with the specified elements.

    A

    the type of the view's elements

    returns

    a new view with elements elems

    Definition Classes
    ViewIterableFactory
  5. final def asInstanceOf[T0]: T0

    Cast the receiver object to be of type T0.

    Cast the receiver object to be of type T0.

    Note that the success of a cast at runtime is modulo Scala's erasure semantics. Therefore the expression 1.asInstanceOf[String] will throw a ClassCastException at runtime, while the expression List(1).asInstanceOf[List[String]] will not. In the latter example, because the type argument is erased as part of compilation it is not possible to check whether the contents of the list are of the requested type.

    returns

    the receiver object.

    Definition Classes
    Any
    Exceptions thrown

    ClassCastException if the receiver object is not an instance of the erasure of type T0.

  6. def clone(): AnyRef

    Create a copy of the receiver object.

    Create a copy of the receiver object.

    The default implementation of the clone method is platform dependent.

    returns

    a copy of the receiver object.

    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.CloneNotSupportedException]) @native()
    Note

    not specified by SLS as a member of AnyRef

  7. def concat[A](xss: Iterable[A]*): View[A]

    Concatenates all argument collections into a single view.

    Concatenates all argument collections into a single view.

    xss

    the collections that are to be concatenated.

    returns

    the concatenation of all the collections.

    Definition Classes
    IterableFactory
  8. def empty[A]: View[A]

    An empty collection

    An empty collection

    A

    the type of the view's elements

    Definition Classes
    ViewIterableFactory
  9. final def eq(arg0: AnyRef): Boolean

    Tests whether the argument (that) is a reference to the receiver object (this).

    Tests whether the argument (that) is a reference to the receiver object (this).

    The eq method implements an equivalence relation on non-null instances of AnyRef, and has three additional properties:

    • It is consistent: for any non-null instances x and y of type AnyRef, multiple invocations of x.eq(y) consistently returns true or consistently returns false.
    • For any non-null instance x of type AnyRef, x.eq(null) and null.eq(x) returns false.
    • null.eq(null) returns true.

    When overriding the equals or hashCode methods, it is important to ensure that their behavior is consistent with reference equality. Therefore, if two objects are references to each other (o1 eq o2), they should be equal to each other (o1 == o2) and they should hash to the same value (o1.hashCode == o2.hashCode).

    returns

    true if the argument is a reference to the receiver object; false otherwise.

    Definition Classes
    AnyRef
  10. def equals(arg0: AnyRef): Boolean

    The equality method for reference types.

    The equality method for reference types. Default implementation delegates to eq.

    See also equals in scala.Any.

    returns

    true if the receiver object is equivalent to the argument; false otherwise.

    Definition Classes
    AnyRef → Any
  11. def fill[A](n1: Int, n2: Int, n3: Int, n4: Int, n5: Int)(elem: => A): View[View[View[View[View[A]]]]]

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

    Produces a five-dimensional view 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 3rd 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 view that contains the results of n1 x n2 x n3 x n4 x n5 evaluations of elem.

    Definition Classes
    IterableFactory
  12. def fill[A](n1: Int, n2: Int, n3: Int, n4: Int)(elem: => A): View[View[View[View[A]]]]

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

    Produces a four-dimensional view 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 3rd dimension

    n4

    the number of elements in the 4th dimension

    elem

    the element computation

    returns

    A view that contains the results of n1 x n2 x n3 x n4 evaluations of elem.

    Definition Classes
    IterableFactory
  13. def fill[A](n1: Int, n2: Int, n3: Int)(elem: => A): View[View[View[A]]]

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

    Produces a three-dimensional view 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 3rd dimension

    elem

    the element computation

    returns

    A view that contains the results of n1 x n2 x n3 evaluations of elem.

    Definition Classes
    IterableFactory
  14. def fill[A](n1: Int, n2: Int)(elem: => A): View[View[A]]

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

    Produces a two-dimensional view 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 view that contains the results of n1 x n2 evaluations of elem.

    Definition Classes
    IterableFactory
  15. def fill[A](n: Int)(elem: => A): View[A]

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

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

    n

    the number of elements contained in the view.

    elem

    the element computation

    returns

    A view that contains the results of n evaluations of elem.

    Definition Classes
    IterableFactory
  16. def finalize(): Unit

    Called by the garbage collector on the receiver object when there are no more references to the object.

    Called by the garbage collector on the receiver object when there are no more references to the object.

    The details of when and if the finalize method is invoked, as well as the interaction between finalize and non-local returns and exceptions, are all platform dependent.

    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.Throwable])
    Note

    not specified by SLS as a member of AnyRef

  17. def from[E](it: IterableOnce[E]): View[E]

    E

    View element type

    it

    The IterableOnce to view. A proper Iterable is used directly. If it is really only IterableOnce it gets memoized on the first traversal.

    returns

    A view iterating over the given Iterable

    Definition Classes
    ViewIterableFactory
  18. def fromIteratorProvider[A](it: () => Iterator[A]): View[A]

    A

    View element type

    it

    Function creating the iterator to be used by the view. This function must always return a fresh Iterator, otherwise the resulting view will be effectively iterable only once.

    returns

    A View[A] whose underlying iterator is provided by the it parameter-less function.

  19. final def getClass(): Class[_ <: AnyRef]

    Returns the runtime class representation of the object.

    Returns the runtime class representation of the object.

    returns

    a class object corresponding to the runtime type of the receiver.

    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  20. def hashCode(): Int

    The hashCode method for reference types.

    The hashCode method for reference types. See hashCode in scala.Any.

    returns

    the hash code value for this object.

    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  21. final def isInstanceOf[T0]: Boolean

    Test whether the dynamic type of the receiver object is T0.

    Test whether the dynamic type of the receiver object is T0.

    Note that the result of the test is modulo Scala's erasure semantics. Therefore the expression 1.isInstanceOf[String] will return false, while the expression List(1).isInstanceOf[List[String]] will return true. In the latter example, because the type argument is erased as part of compilation it is not possible to check whether the contents of the list are of the specified type.

    returns

    true if the receiver object is an instance of erasure of type T0; false otherwise.

    Definition Classes
    Any
  22. implicit def iterableFactory[A]: Factory[A, View[A]]
    Definition Classes
    IterableFactory
  23. def iterate[A](start: A, len: Int)(f: (A) => A): View[A]

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

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

    start

    the start value of the view

    len

    the number of elements contained in the view

    f

    the function that's repeatedly applied

    returns

    a view with len values in the sequence start, f(start), f(f(start)), ...

    Definition Classes
    IterableFactory
  24. final def ne(arg0: AnyRef): Boolean

    Equivalent to !(this eq that).

    Equivalent to !(this eq that).

    returns

    true if the argument is not a reference to the receiver object; false otherwise.

    Definition Classes
    AnyRef
  25. def newBuilder[A]: Builder[A, View[A]]

    A

    the type of the view’s elements

    returns

    A builder for View objects.

    Definition Classes
    ViewIterableFactory
  26. final def notify(): Unit

    Wakes up a single thread that is waiting on the receiver object's monitor.

    Wakes up a single thread that is waiting on the receiver object's monitor.

    Definition Classes
    AnyRef
    Annotations
    @native()
    Note

    not specified by SLS as a member of AnyRef

  27. final def notifyAll(): Unit

    Wakes up all threads that are waiting on the receiver object's monitor.

    Wakes up all threads that are waiting on the receiver object's monitor.

    Definition Classes
    AnyRef
    Annotations
    @native()
    Note

    not specified by SLS as a member of AnyRef

  28. def range[A](start: A, end: A, step: A)(implicit arg0: Integral[A]): View[A]

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

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

    start

    the start value of the view

    end

    the end value of the view (the first value NOT contained)

    step

    the difference between successive elements of the view (must be positive or negative)

    returns

    a view with values start, start + step, ... up to, but excluding end

    Definition Classes
    IterableFactory
  29. def range[A](start: A, end: A)(implicit arg0: Integral[A]): View[A]

    Produces a view containing a sequence of increasing of integers.

    Produces a view containing a sequence of increasing of integers.

    start

    the first element of the view

    end

    the end value of the view (the first value NOT contained)

    returns

    a view with values start, start + 1, ..., end - 1

    Definition Classes
    IterableFactory
  30. final def synchronized[T0](arg0: => T0): T0

    Executes the code in body with an exclusive lock on this.

    Executes the code in body with an exclusive lock on this.

    returns

    the result of body

    Definition Classes
    AnyRef
  31. def tabulate[A](n1: Int, n2: Int, n3: Int, n4: Int, n5: Int)(f: (Int, Int, Int, Int, Int) => A): View[View[View[View[View[A]]]]]

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

    Produces a five-dimensional view 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 3rd 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 view 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
    IterableFactory
  32. def tabulate[A](n1: Int, n2: Int, n3: Int, n4: Int)(f: (Int, Int, Int, Int) => A): View[View[View[View[A]]]]

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

    Produces a four-dimensional view 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 3rd dimension

    n4

    the number of elements in the 4th dimension

    f

    The function computing element values

    returns

    A view consisting of elements f(i1, i2, i3, i4) for 0 <= i1 < n1, 0 <= i2 < n2, 0 <= i3 < n3, and 0 <= i4 < n4.

    Definition Classes
    IterableFactory
  33. def tabulate[A](n1: Int, n2: Int, n3: Int)(f: (Int, Int, Int) => A): View[View[View[A]]]

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

    Produces a three-dimensional view 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 3rd dimension

    f

    The function computing element values

    returns

    A view consisting of elements f(i1, i2, i3) for 0 <= i1 < n1, 0 <= i2 < n2, and 0 <= i3 < n3.

    Definition Classes
    IterableFactory
  34. def tabulate[A](n1: Int, n2: Int)(f: (Int, Int) => A): View[View[A]]

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

    Produces a two-dimensional view 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 view consisting of elements f(i1, i2) for 0 <= i1 < n1 and 0 <= i2 < n2.

    Definition Classes
    IterableFactory
  35. def tabulate[A](n: Int)(f: (Int) => A): View[A]

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

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

    n

    The number of elements in the view

    f

    The function computing element values

    returns

    A view consisting of elements f(0), ..., f(n -1)

    Definition Classes
    IterableFactory
  36. def toString(): String

    Creates a String representation of this object.

    Creates a String representation of this object. The default representation is platform dependent. On the java platform it is the concatenation of the class name, "@", and the object's hashcode in hexadecimal.

    returns

    a String representation of the object.

    Definition Classes
    AnyRef → Any
  37. def unfold[A, S](init: S)(f: (S) => Option[(A, S)]): View[A]

    Produces a view that uses a function f to produce elements of type A and update an internal state of type S.

    Produces a view that uses a function f to produce elements of type A and update an internal state of type S.

    A

    Type of the elements

    S

    Type of the internal state

    init

    State initial value

    f

    Computes the next element (or returns None to signal the end of the collection)

    returns

    a view that produces elements using f until f returns None

    Definition Classes
    IterableFactory
  38. final def wait(): Unit

    See https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait--.

    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
    Note

    not specified by SLS as a member of AnyRef

  39. final def wait(arg0: Long, arg1: Int): Unit

    See https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-int-

    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
    Note

    not specified by SLS as a member of AnyRef

  40. final def wait(arg0: Long): Unit

    See https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-.

    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException]) @native()
    Note

    not specified by SLS as a member of AnyRef

  41. case object Empty extends AbstractView[Nothing] with Product with Serializable

    The empty view

    The empty view

    Annotations
    @SerialVersionUID()
  42. object Filter extends java.io.Serializable

Inherited from IterableFactory[View]

Inherited from java.io.Serializable

Inherited from AnyRef

Inherited from Any

Ungrouped