NEList

izumi.fundamentals.collections.nonempty.NEList
See theNEList companion object
final class NEList[+T] extends AnyVal

Attributes

Companion
object
Graph
Supertypes
class AnyVal
trait Matchable
class Any

Members list

Value members

Concrete methods

def ++[U >: T](other: NEList[U]): NEList[U]

Returns a new NEList containing the elements of this NEList followed by the elements of the passed NEList. The element type of the resulting NEList is the most specific superclass encompassing the element types of this and the passed NEList.

Returns a new NEList containing the elements of this NEList followed by the elements of the passed NEList. The element type of the resulting NEList is the most specific superclass encompassing the element types of this and the passed NEList.

Type parameters

U

the element type of the returned NEList

Value parameters

other

the NEList to append

Attributes

Returns

a new NEList that contains all the elements of this NEList followed by all elements of other.

def ++[U >: T](other: Vector[U]): NEList[U]

Returns a new NEList containing the elements of this NEList followed by the elements of the passed Vector. The element type of the resulting NEList is the most specific superclass encompassing the element types of this NEList and the passed Vector.

Returns a new NEList containing the elements of this NEList followed by the elements of the passed Vector. The element type of the resulting NEList is the most specific superclass encompassing the element types of this NEList and the passed Vector.

Type parameters

U

the element type of the returned NEList

Value parameters

other

the Vector to append

Attributes

Returns

a new NEList that contains all the elements of this NEList followed by all elements of other.

def ++[U >: T](other: IterableOnce[U]): NEList[U]

Returns a new NEList containing the elements of this NEList followed by the elements of the passed GenTraversableOnce. The element type of the resulting NEList is the most specific superclass encompassing the element types of this NEList and the passed GenTraversableOnce.

Returns a new NEList containing the elements of this NEList followed by the elements of the passed GenTraversableOnce. The element type of the resulting NEList is the most specific superclass encompassing the element types of this NEList and the passed GenTraversableOnce.

Type parameters

U

the element type of the returned NEList

Value parameters

other

the GenTraversableOnce to append

Attributes

Returns

a new NEList that contains all the elements of this NEList followed by all elements of other.

def ++:[U >: T](other: NEList[U]): NEList[U]
def ++:[U >: T](other: Vector[U]): NEList[U]
def ++:[U >: T](other: IterableOnce[U]): NEList[U]
def +:[U >: T](element: U): NEList[U]

Returns a new NEList with the given element prepended.

Returns a new NEList with the given element prepended.

Note that :-ending operators are right associative. A mnemonic for +: vs. :+ is: the COLon goes on the COLlection side.

Value parameters

element

the element to prepend to this NEList

Attributes

Returns

a new NEList consisting of element followed by all elements of this NEList.

def :+[U >: T](element: U): NEList[U]

Returns a new NEList with the given element appended.

Returns a new NEList with the given element appended.

Note a mnemonic for +: vs. :+ is: the COLon goes on the COLlection side.

Value parameters

element

the element to append to this NEList

Attributes

Returns

a new NEList consisting of all elements of this NEList followed by element.

def ::[U >: T](element: U): NEList[U]

Adds an element to the beginning of this NEList.

Adds an element to the beginning of this NEList.

Note that :-ending operators are right associative. A mnemonic for +: vs. :+ is: the COLon goes on the COLlection side.

Value parameters

element

the element to prepend to this NEList

Attributes

Returns

a NEList that contains element as first element and that continues with this NEList.

def :::[U >: T](other: NEList[U]): NEList[U]

Returns a new NEList containing the elements of this NEList followed by the elements of the passed NEList. The element type of the resulting NEList is the most specific superclass encompassing the element types of this and the passed NEList.

Returns a new NEList containing the elements of this NEList followed by the elements of the passed NEList. The element type of the resulting NEList is the most specific superclass encompassing the element types of this and the passed NEList.

Type parameters

U

the element type of the returned NEList

Value parameters

other

the NEList to append

Attributes

Returns

a new NEList that contains all the elements of this NEList followed by all elements of other.

def :::[U >: T](other: Vector[U]): NEList[U]

Returns a new NEList containing the elements of this NEList followed by the elements of the passed Vector. The element type of the resulting NEList is the most specific superclass encompassing the element types of this and the passed Vector.

Returns a new NEList containing the elements of this NEList followed by the elements of the passed Vector. The element type of the resulting NEList is the most specific superclass encompassing the element types of this and the passed Vector.

Type parameters

U

the element type of the returned NEList

Value parameters

other

the Vector to append

Attributes

Returns

a new NEList that contains all the elements of this NEList followed by all elements of other.

def :::[U >: T](other: IterableOnce[U]): NEList[U]

Returns a new NEList containing the elements of this NEList followed by the elements of the passed GenTraversableOnce. The element type of the resulting NEList is the most specific superclass encompassing the element types of this NEList and the passed GenTraversableOnce.

Returns a new NEList containing the elements of this NEList followed by the elements of the passed GenTraversableOnce. The element type of the resulting NEList is the most specific superclass encompassing the element types of this NEList and the passed GenTraversableOnce.

Type parameters

U

the element type of the returned NEList

Value parameters

other

the GenTraversableOnce to append

Attributes

Returns

a new NEList that contains all the elements of this NEList followed by all elements of other.

def addString(sb: StringBuilder): StringBuilder

Appends all elements of this NEList to a string builder. The written text will consist of a concatenation of the result of invoking toString on of every element of this NEList, without any separator string.

Appends all elements of this NEList to a string builder. The written text will consist of a concatenation of the result of invoking toString on of every element of this NEList, without any separator string.

Value parameters

sb

the string builder to which elements will be appended

Attributes

Returns

the string builder, sb, to which elements were appended.

def addString(sb: StringBuilder, sep: String): StringBuilder

Appends all elements of this NEList to a string builder using a separator string. The written text will consist of a concatenation of the result of invoking toString on of every element of this NEList, separated by the string sep.

Appends all elements of this NEList to a string builder using a separator string. The written text will consist of a concatenation of the result of invoking toString on of every element of this NEList, separated by the string sep.

Value parameters

sb

the string builder to which elements will be appended

sep

the separator string

Attributes

Returns

the string builder, sb, to which elements were appended.

def addString(sb: StringBuilder, start: String, sep: String, end: String): StringBuilder

Appends all elements of this NEList to a string builder using start, end, and separator strings. The written text will consist of a concatenation of the string start; the result of invoking toString on all elements of this NEList, separated by the string sep; and the string end

Appends all elements of this NEList to a string builder using start, end, and separator strings. The written text will consist of a concatenation of the string start; the result of invoking toString on all elements of this NEList, separated by the string sep; and the string end

Value parameters

sb

the string builder to which elements will be appended

sep

the separator string

start

the ending string

Attributes

Returns

the string builder, sb, to which elements were appended.

def apply(idx: Int): T

Selects an element by its index in the NEList.

Selects an element by its index in the NEList.

Attributes

Returns

the element of this NEList at index idx, where 0 indicates the first element.

def collectFirst[U](pf: PartialFunction[T, U]): Option[U]

Finds the first element of this NEList for which the given partial function is defined, if any, and applies the partial function to it.

Finds the first element of this NEList for which the given partial function is defined, if any, and applies the partial function to it.

Value parameters

pf

the partial function

Attributes

Returns

an Option containing pf applied to the first element for which it is defined, or None if the partial function was not defined for any element.

infix def contains(elem: Any): Boolean

Indicates whether this NEList contains a given value as an element.

Indicates whether this NEList contains a given value as an element.

Value parameters

elem

the element to look for

Attributes

Returns

true if this NEList has an element that is equal (as determined by ==) to elem, false otherwise.

def containsSlice[U >: T](that: Seq[U]): Boolean

Indicates whether this NEList contains a given Seq as a slice.

Indicates whether this NEList contains a given Seq as a slice.

Value parameters

that

the Seq slice to look for

Attributes

Returns

true if this NEList contains a slice with the same elements as that, otherwise false.

def containsSlice[U >: T](that: Vector[U]): Boolean

Indicates whether this NEList contains a given Vector as a slice.

Indicates whether this NEList contains a given Vector as a slice.

Value parameters

that

the Vector slice to look for

Attributes

Returns

true if this NEList contains a slice with the same elements as that, otherwise false.

def containsSlice[U >: T](that: NEList[U]): Boolean

Indicates whether this NEList contains a given NEList as a slice.

Indicates whether this NEList contains a given NEList as a slice.

Value parameters

that

the NEList slice to look for

Attributes

Returns

true if this NEList contains a slice with the same elements as that, otherwise false.

def copyToArray[U >: T](arr: Array[U]): Unit

Copies values of this NEList to an array. Fills the given array arr with values of this NEList. Copying will stop once either the end of the current NEList is reached, or the end of the array is reached.

Copies values of this NEList to an array. Fills the given array arr with values of this NEList. Copying will stop once either the end of the current NEList is reached, or the end of the array is reached.

Value parameters

arr

the array to fill

Attributes

def copyToArray[U >: T](arr: Array[U], start: Int): Unit

Copies values of this NEList to an array. Fills the given array arr with values of this NEList, beginning at index start. Copying will stop once either the end of the current NEList is reached, or the end of the array is reached.

Copies values of this NEList to an array. Fills the given array arr with values of this NEList, beginning at index start. Copying will stop once either the end of the current NEList is reached, or the end of the array is reached.

Value parameters

arr

the array to fill

start

the starting index

Attributes

def copyToArray[U >: T](arr: Array[U], start: Int, len: Int): Unit

Copies values of this NEList to an array. Fills the given array arr with at most len elements of this NEList, beginning at index start. Copying will stop once either the end of the current NEList is reached, the end of the array is reached, or len elements have been copied.

Copies values of this NEList to an array. Fills the given array arr with at most len elements of this NEList, beginning at index start. Copying will stop once either the end of the current NEList is reached, the end of the array is reached, or len elements have been copied.

Value parameters

arr

the array to fill

len

the maximum number of elements to copy

start

the starting index

Attributes

def copyToBuffer[U >: T](buf: Buffer[U]): Unit

Copies all elements of this NEList to a buffer.

Copies all elements of this NEList to a buffer.

Value parameters

buf

the buffer to which elements are copied

Attributes

def corresponds[B](that: Seq[B])(p: (T, B) => Boolean): Boolean

Indicates whether every element of this NEList relates to the corresponding element of a given Seq by satisfying a given predicate.

Indicates whether every element of this NEList relates to the corresponding element of a given Seq by satisfying a given predicate.

Type parameters

B

the type of the elements of that

Value parameters

p

the predicate, which relates elements from this NEList and the passed Seq

that

the Seq to compare for correspondence

Attributes

Returns

true if this NEList and the passed Seq have the same length and p(x, y) is true for all corresponding elements x of this NEList and y of that, otherwise false.

def corresponds[B](that: Vector[B])(p: (T, B) => Boolean): Boolean

Indicates whether every element of this NEList relates to the corresponding element of a given Vector by satisfying a given predicate.

Indicates whether every element of this NEList relates to the corresponding element of a given Vector by satisfying a given predicate.

Type parameters

B

the type of the elements of that

Value parameters

p

the predicate, which relates elements from this NEList and the passed Vector

that

the Vector to compare for correspondence

Attributes

Returns

true if this NEList and the passed Vector have the same length and p(x, y) is true for all corresponding elements x of this NEList and y of that, otherwise false.

def corresponds[B](that: NEList[B])(p: (T, B) => Boolean): Boolean

Indicates whether every element of this NEList relates to the corresponding element of a given NEList by satisfying a given predicate.

Indicates whether every element of this NEList relates to the corresponding element of a given NEList by satisfying a given predicate.

Type parameters

B

the type of the elements of that

Value parameters

p

the predicate, which relates elements from this and the passed NEList

that

the NEList to compare for correspondence

Attributes

Returns

true if this and the passed NEList have the same length and p(x, y) is true for all corresponding elements x of this NEList and y of that, otherwise false.

def count(p: T => Boolean): Int

Counts the number of elements in this NEList that satisfy a predicate.

Counts the number of elements in this NEList that satisfy a predicate.

Value parameters

p

the predicate used to test elements.

Attributes

Returns

the number of elements satisfying the predicate p.

def distinct: NEList[T]

Builds a new NEList from this NEList without any duplicate elements.

Builds a new NEList from this NEList without any duplicate elements.

Attributes

Returns

A new NEList that contains the first occurrence of every element of this NEList.

def endsWith[B](that: Seq[B]): Boolean

Indicates whether this NEList ends with the given Seq.

Indicates whether this NEList ends with the given Seq.

Value parameters

that

the sequence to test

Attributes

Returns

true if this NEList has that as a suffix, false otherwise.

def endsWith[B](that: Vector[B]): Boolean

Indicates whether this NEList ends with the given Vector.

Indicates whether this NEList ends with the given Vector.

Value parameters

that

the Vector to test

Attributes

Returns

true if this NEList has that as a suffix, false otherwise.

def endsWith[B](that: NEList[B]): Boolean

Indicates whether this NEList ends with the given NEList.

Indicates whether this NEList ends with the given NEList.

Value parameters

that

the NEList to test

Attributes

Returns

true if this NEList has that as a suffix, false otherwise.

def exists(p: T => Boolean): Boolean

Indicates whether a predicate holds for at least one of the elements of this NEList.

Indicates whether a predicate holds for at least one of the elements of this NEList.

Value parameters

the

predicate used to test elements.

Attributes

Returns

true if the given predicate p holds for some of the elements of this NEList, otherwise false.

def find(p: T => Boolean): Option[T]

Finds the first element of this NEList that satisfies the given predicate, if any.

Finds the first element of this NEList that satisfies the given predicate, if any.

Value parameters

p

the predicate used to test elements

Attributes

Returns

an Some containing the first element in this NEList that satisfies p, or None if none exists.

def flatMap[U](f: T => NEList[U]): NEList[U]

Builds a new NEList by applying a function to all elements of this NEList and using the elements of the resulting NELists.

Builds a new NEList by applying a function to all elements of this NEList and using the elements of the resulting NELists.

Type parameters

U

the element type of the returned NEList

Value parameters

f

the function to apply to each element.

Attributes

Returns

a new NEList containing elements obtained by applying the given function f to each element of this NEList and concatenating the elements of resulting NELists.

def flatten[B](implicit ev: T <:< NEList[B]): NEList[B]

Converts this NEList of NELists into a NEList formed by the elements of the nested NELists.

Converts this NEList of NELists into a NEList formed by the elements of the nested NELists.

Attributes

Returns

a new NEList resulting from concatenating all nested NELists.

Note

You cannot use this flatten method on a NEList that contains a GenTraversableOnces, because if all the nested GenTraversableOnces were empty, you'd end up with an empty NEList.

def fold[U >: T](z: U)(op: (U, U) => U): U

Folds the elements of this NEList using the specified associative binary operator.

Folds the elements of this NEList using the specified associative binary operator.

The order in which operations are performed on elements is unspecified and may be nondeterministic.

Type parameters

U

a type parameter for the binary operator, a supertype of T.

Value parameters

op

a binary operator that must be associative

z

a neutral element for the fold operation; may be added to the result an arbitrary number of times, and must not change the result (e.g., Nil for list concatenation, 0 for addition, or 1 for multiplication.)

Attributes

Returns

the result of applying fold operator op between all the elements and z

def foldLeft[B](z: B)(op: (B, T) => B): B

Applies a binary operator to a start value and all elements of this NEList, going left to right.

Applies a binary operator to a start value and all elements of this NEList, going left to right.

Type parameters

B

the result type of the binary operator.

Value parameters

op

the binary operator.

z

the start value.

Attributes

Returns

the result of inserting op between consecutive elements of this NEList, going left to right, with the start value, z, on the left:

op(...op(op(z, x_1), x_2), ..., x_n)

where x1, ..., xn are the elements of this NEList.

def foldRight[B](z: B)(op: (T, B) => B): B

Applies a binary operator to all elements of this NEList and a start value, going right to left.

Applies a binary operator to all elements of this NEList and a start value, going right to left.

Type parameters

B

the result of the binary operator

Value parameters

op

the binary operator

z

the start value

Attributes

Returns

the result of inserting op between consecutive elements of this NEList, going right to left, with the start value, z, on the right:

op(x_1, op(x_2, ... op(x_n, z)...))

where x1, ..., xn are the elements of this NEList.

def forall(p: T => Boolean): Boolean

Indicates whether a predicate holds for all elements of this NEList.

Indicates whether a predicate holds for all elements of this NEList.

Value parameters

p

the predicate used to test elements.

Attributes

Returns

true if the given predicate p holds for all elements of this NEList, otherwise false.

def foreach(f: T => Unit): Unit

Applies a function f to all elements of this NEList.

Applies a function f to all elements of this NEList.

Value parameters

f

the function that is applied for its side-effect to every element. The result of function f is discarded.

Attributes

def groupBy[K](f: T => K): Map[K, NEList[T]]

Partitions this NEList into a map of NELists according to some discriminator function.

Partitions this NEList into a map of NELists according to some discriminator function.

Type parameters

K

the type of keys returned by the discriminator function.

Value parameters

f

the discriminator function.

Attributes

Returns

A map from keys to NELists such that the following invariant holds:

(NEList.toList partition f)(k) = xs filter (x => f(x) == k)

That is, every key k is bound to a NEList of those elements x for which f(x) equals k.

def grouped(size: Int): Iterator[NEList[T]]

Partitions elements into fixed size NELists.

Partitions elements into fixed size NELists.

Value parameters

size

the number of elements per group

Attributes

Returns

An iterator producing NELists of size size, except the last will be truncated if the elements don't divide evenly.

def hasDefiniteSize: Boolean

Returns true to indicate this NEList has a definite size, since all NELists are strict collections.

Returns true to indicate this NEList has a definite size, since all NELists are strict collections.

Attributes

def head: T

Selects the first element of this NEList.

Selects the first element of this NEList.

Attributes

Returns

the first element of this NEList.

def indexOf[U >: T](elem: U): Int

Finds index of first occurrence of some value in this NEList.

Finds index of first occurrence of some value in this NEList.

Value parameters

elem

the element value to search for.

Attributes

Returns

the index of the first element of this NEList that is equal (as determined by ==) to elem, or -1, if none exists.

def indexOf[U >: T](elem: U, from: Int): Int

Finds index of first occurrence of some value in this NEList after or at some start index.

Finds index of first occurrence of some value in this NEList after or at some start index.

Value parameters

elem

the element value to search for.

from

the start index

Attributes

Returns

the index >= from of the first element of this NEList that is equal (as determined by ==) to elem, or -1, if none exists.

def indexOfSlice[U >: T](that: Seq[U]): Int

Finds first index where this NEList contains a given Seq as a slice.

Finds first index where this NEList contains a given Seq as a slice.

Value parameters

that

the Seq defining the slice to look for

Attributes

Returns

the first index at which the elements of this NEList starting at that index match the elements of Seq that, or -1 of no such subsequence exists.

def indexOfSlice[U >: T](that: Seq[U], from: Int): Int

Finds first index after or at a start index where this NEList contains a given Seq as a slice.

Finds first index after or at a start index where this NEList contains a given Seq as a slice.

Value parameters

from

the start index

that

the Seq defining the slice to look for

Attributes

Returns

the first index >= from at which the elements of this NEList starting at that index match the elements of Seq that, or -1 of no such subsequence exists.

def indexOfSlice[U >: T](that: Vector[U]): Int

Finds first index where this NEList contains a given Vector as a slice.

Finds first index where this NEList contains a given Vector as a slice.

Value parameters

that

the Vector defining the slice to look for

Attributes

Returns

the first index such that the elements of this NEList starting at this index match the elements of Vector that, or -1 of no such subsequence exists.

def indexOfSlice[U >: T](that: NEList[U]): Int

Finds first index where this NEList contains a given NEList as a slice.

Finds first index where this NEList contains a given NEList as a slice.

Value parameters

that

the NEList defining the slice to look for

Attributes

Returns

the first index such that the elements of this NEList starting at this index match the elements of NEList that, or -1 of no such subsequence exists.

def indexOfSlice[U >: T](that: Vector[U], from: Int): Int

Finds first index after or at a start index where this NEList contains a given Vector as a slice.

Finds first index after or at a start index where this NEList contains a given Vector as a slice.

Value parameters

from

the start index

that

the Vector defining the slice to look for

Attributes

Returns

the first index >= from such that the elements of this NEList starting at this index match the elements of Vector that, or -1 of no such subsequence exists.

def indexOfSlice[U >: T](that: NEList[U], from: Int): Int

Finds first index after or at a start index where this NEList contains a given NEList as a slice.

Finds first index after or at a start index where this NEList contains a given NEList as a slice.

Value parameters

from

the start index

that

the NEList defining the slice to look for

Attributes

Returns

the first index >= from such that the elements of this NEList starting at this index match the elements of NEList that, or -1 of no such subsequence exists.

def indexWhere(p: T => Boolean): Int

Finds index of the first element satisfying some predicate.

Finds index of the first element satisfying some predicate.

Value parameters

p

the predicate used to test elements.

Attributes

Returns

the index of the first element of this NEList that satisfies the predicate p, or -1, if none exists.

def indexWhere(p: T => Boolean, from: Int): Int

Finds index of the first element satisfying some predicate after or at some start index.

Finds index of the first element satisfying some predicate after or at some start index.

Value parameters

from

the start index

p

the predicate used to test elements.

Attributes

Returns

the index >= from of the first element of this NEList that satisfies the predicate p, or -1, if none exists.

def indices: Range

Produces the range of all indices of this NEList.

Produces the range of all indices of this NEList.

Attributes

Returns

a Range value from 0 to one less than the length of this NEList.

def isDefinedAt(idx: Int): Boolean

Tests whether this NEList contains given index.

Tests whether this NEList contains given index.

Value parameters

idx

the index to test

Attributes

Returns

true if this NEList contains an element at position idx, false otherwise.

def isEmpty: Boolean

Returns false to indicate this NEList, like all NELists, is non-empty.

Returns false to indicate this NEList, like all NELists, is non-empty.

Attributes

Returns

false

def isTraversableAgain: Boolean

Returns true to indicate this NEList, like all NELists, can be traversed repeatedly.

Returns true to indicate this NEList, like all NELists, can be traversed repeatedly.

Attributes

Returns

true

def iterator: Iterator[T]

Creates and returns a new iterator over all elements contained in this NEList.

Creates and returns a new iterator over all elements contained in this NEList.

Attributes

Returns

the new iterator

def last: T

Selects the last element of this NEList.

Selects the last element of this NEList.

Attributes

Returns

the last element of this NEList.

def lastIndexOf[U >: T](elem: U): Int

Finds the index of the last occurrence of some value in this NEList.

Finds the index of the last occurrence of some value in this NEList.

Value parameters

elem

the element value to search for.

Attributes

Returns

the index of the last element of this NEList that is equal (as determined by ==) to elem, or -1, if none exists.

def lastIndexOf[U >: T](elem: U, end: Int): Int

Finds the index of the last occurrence of some value in this NEList before or at a given end index.

Finds the index of the last occurrence of some value in this NEList before or at a given end index.

Value parameters

elem

the element value to search for.

end

the end index.

Attributes

Returns

the index >= end of the last element of this NEList that is equal (as determined by ==) to elem, or -1, if none exists.

def lastIndexOfSlice[U >: T](that: Seq[U]): Int

Finds the last index where this NEList contains a given Seq as a slice.

Finds the last index where this NEList contains a given Seq as a slice.

Value parameters

that

the Seq defining the slice to look for

Attributes

Returns

the last index at which the elements of this NEList starting at that index match the elements of Seq that, or -1 of no such subsequence exists.

def lastIndexOfSlice[U >: T](that: Seq[U], end: Int): Int

Finds the last index before or at a given end index where this NEList contains a given Seq as a slice.

Finds the last index before or at a given end index where this NEList contains a given Seq as a slice.

Value parameters

end

the end index

that

the Seq defining the slice to look for

Attributes

Returns

the last index >= end at which the elements of this NEList starting at that index match the elements of Seq that, or -1 of no such subsequence exists.

def lastIndexOfSlice[U >: T](that: Vector[U]): Int

Finds the last index where this NEList contains a given Vector as a slice.

Finds the last index where this NEList contains a given Vector as a slice.

Value parameters

that

the Vector defining the slice to look for

Attributes

Returns

the last index at which the elements of this NEList starting at that index match the elements of Vector that, or -1 of no such subsequence exists.

def lastIndexOfSlice[U >: T](that: NEList[U]): Int

Finds the last index where this NEList contains a given NEList as a slice.

Finds the last index where this NEList contains a given NEList as a slice.

Value parameters

that

the NEList defining the slice to look for

Attributes

Returns

the last index at which the elements of this NEList starting at that index match the elements of NEList that, or -1 of no such subsequence exists.

def lastIndexOfSlice[U >: T](that: Vector[U], end: Int): Int

Finds the last index before or at a given end index where this NEList contains a given Vector as a slice.

Finds the last index before or at a given end index where this NEList contains a given Vector as a slice.

Value parameters

end

the end index

that

the Vector defining the slice to look for

Attributes

Returns

the last index >= end at which the elements of this NEList starting at that index match the elements of Vector that, or -1 of no such subsequence exists.

def lastIndexOfSlice[U >: T](that: NEList[U], end: Int): Int

Finds the last index before or at a given end index where this NEList contains a given NEList as a slice.

Finds the last index before or at a given end index where this NEList contains a given NEList as a slice.

Value parameters

end

the end index

that

the NEList defining the slice to look for

Attributes

Returns

the last index >= end at which the elements of this NEList starting at that index match the elements of NEList that, or -1 of no such subsequence exists.

def lastIndexWhere(p: T => Boolean): Int

Finds index of last element satisfying some predicate.

Finds index of last element satisfying some predicate.

Value parameters

p

the predicate used to test elements.

Attributes

Returns

the index of the last element of this NEList that satisfies the predicate p, or -1, if none exists.

def lastIndexWhere(p: T => Boolean, end: Int): Int

Finds index of last element satisfying some predicate before or at given end index.

Finds index of last element satisfying some predicate before or at given end index.

Value parameters

end

the end index

p

the predicate used to test elements.

Attributes

Returns

the index >= end of the last element of this NEList that satisfies the predicate p, or -1, if none exists.

def length: Int

The length of this NEList.

The length of this NEList.

Attributes

Returns

the number of elements in this NEList.

Note

length and size yield the same result, which will be >= 1.

def lengthCompare(len: Int): Int

Compares the length of this NEList to a test value.

Compares the length of this NEList to a test value.

Value parameters

len

the test value that gets compared with the length.

Attributes

Returns

a value x where

x < 0 if this.length < len
x == 0 if this.length == len
x > 0 if this.length > len
def map[U](f: T => U): NEList[U]

Builds a new NEList by applying a function to all elements of this NEList.

Builds a new NEList by applying a function to all elements of this NEList.

Type parameters

U

the element type of the returned NEList.

Value parameters

f

the function to apply to each element.

Attributes

Returns

a new NEList resulting from applying the given function f to each element of this NEList and collecting the results.

def max[U >: T](implicit cmp: Ordering[U]): T

Finds the largest element.

Finds the largest element.

Attributes

Returns

the largest element of this NEList.

def maxBy[U](f: T => U)(implicit cmp: Ordering[U]): T

Finds the largest result after applying the given function to every element.

Finds the largest result after applying the given function to every element.

Attributes

Returns

the largest result of applying the given function to every element of this NEList.

def min[U >: T](implicit cmp: Ordering[U]): T

Finds the smallest element.

Finds the smallest element.

Attributes

Returns

the smallest element of this NEList.

def minBy[U](f: T => U)(implicit cmp: Ordering[U]): T

Finds the smallest result after applying the given function to every element.

Finds the smallest result after applying the given function to every element.

Attributes

Returns

the smallest result of applying the given function to every element of this NEList.

def mkString: String

Displays all elements of this NEList in a string.

Displays all elements of this NEList in a string.

Attributes

Returns

a string representation of this NEList. In the resulting string, the result of invoking toString on all elements of this NEList follow each other without any separator string.

def mkString(sep: String): String

Displays all elements of this NEList in a string using a separator string.

Displays all elements of this NEList in a string using a separator string.

Value parameters

sep

the separator string

Attributes

Returns

a string representation of this NEList. In the resulting string, the result of invoking toString on all elements of this NEList are separated by the string sep.

def mkString(start: String, sep: String, end: String): String

Displays all elements of this NEList in a string using start, end, and separator strings.

Displays all elements of this NEList in a string using start, end, and separator strings.

Value parameters

end

the ending string.

sep

the separator string.

start

the starting string.

Attributes

Returns

a string representation of this NEList. The resulting string begins with the string start and ends with the string end. Inside, In the resulting string, the result of invoking toString on all elements of this NEList are separated by the string sep.

def nonEmpty: Boolean

Returns true to indicate this NEList, like all NELists, is non-empty.

Returns true to indicate this NEList, like all NELists, is non-empty.

Attributes

Returns

true

def padTo[U >: T](len: Int, elem: U): NEList[U]

A copy of this NEList with an element value appended until a given target length is reached.

A copy of this NEList with an element value appended until a given target length is reached.

Value parameters

elem

he padding value

len

the target length

Attributes

Returns

a new NEList consisting of all elements of this NEList followed by the minimal number of occurrences of elem so that the resulting NEList has a length of at least len.

def patch[U >: T](from: Int, that: NEList[U], replaced: Int): NEList[U]

Produces a new NEList where a slice of elements in this NEList is replaced by another NEList

Produces a new NEList where a slice of elements in this NEList is replaced by another NEList

Value parameters

from

the index of the first replaced element

replaced

the number of elements to drop in the original NEList

that

the NEList whose elements should replace a slice in this NEList

Attributes

def permutations: Iterator[NEList[T]]

Iterates over distinct permutations.

Iterates over distinct permutations.

Here's an example:

NEList('a', 'b', 'b').permutations.toList = List(NEList(a, b, b), NEList(b, a, b), NEList(b, b, a))

Attributes

Returns

an iterator that traverses the distinct permutations of this NEList.

def prefixLength(p: T => Boolean): Int

Returns the length of the longest prefix whose elements all satisfy some predicate.

Returns the length of the longest prefix whose elements all satisfy some predicate.

Value parameters

p

the predicate used to test elements.

Attributes

Returns

the length of the longest prefix of this NEList such that every element of the segment satisfies the predicate p.

def product[U >: T](implicit num: Numeric[U]): U

The result of multiplying all the elements of this NEList.

The result of multiplying all the elements of this NEList.

This method can be invoked for any NEList[T] for which an implicit Numeric[T] exists.

Attributes

Returns

the product of all elements

def reduce[U >: T](op: (U, U) => U): U

Reduces the elements of this NEList using the specified associative binary operator.

Reduces the elements of this NEList using the specified associative binary operator.

The order in which operations are performed on elements is unspecified and may be nondeterministic.

Type parameters

U

a type parameter for the binary operator, a supertype of T.

Value parameters

op

a binary operator that must be associative.

Attributes

Returns

the result of applying reduce operator op between all the elements of this NEList.

def reduceLeft[U >: T](op: (U, T) => U): U

Applies a binary operator to all elements of this NEList, going left to right.

Applies a binary operator to all elements of this NEList, going left to right.

Type parameters

U

the result type of the binary operator.

Value parameters

op

the binary operator.

Attributes

Returns

the result of inserting op between consecutive elements of this NEList, going left to right:

op(...op(op(x_1, x_2), x_3), ..., x_n)

where x1, ..., xn are the elements of this NEList.

def reduceLeftOption[U >: T](op: (U, T) => U): Option[U]

Applies a binary operator to all elements of this NEList, going left to right, returning the result in a Some.

Applies a binary operator to all elements of this NEList, going left to right, returning the result in a Some.

Type parameters

U

the result type of the binary operator.

Value parameters

op

the binary operator.

Attributes

Returns

a Some containing the result of reduceLeft(op)

def reduceOption[U >: T](op: (U, U) => U): Option[U]
def reduceRight[U >: T](op: (T, U) => U): U

Applies a binary operator to all elements of this NEList, going right to left.

Applies a binary operator to all elements of this NEList, going right to left.

Type parameters

U

the result of the binary operator

Value parameters

op

the binary operator

Attributes

Returns

the result of inserting op between consecutive elements of this NEList, going right to left:

op(x_1, op(x_2, ... op(x_{n-1}, x_n)...))

where x1, ..., xn are the elements of this NEList.

def reduceRightOption[U >: T](op: (T, U) => U): Option[U]

Applies a binary operator to all elements of this NEList, going right to left, returning the result in a Some.

Applies a binary operator to all elements of this NEList, going right to left, returning the result in a Some.

Type parameters

U

the result of the binary operator

Value parameters

op

the binary operator

Attributes

Returns

a Some containing the result of reduceRight(op)

def reverse: NEList[T]

Returns new NEList with elements in reverse order.

Returns new NEList with elements in reverse order.

Attributes

Returns

a new NEList with all elements of this NEList in reversed order.

def reverseIterator: Iterator[T]

An iterator yielding elements in reverse order.

An iterator yielding elements in reverse order.

Attributes

Returns

an iterator yielding the elements of this NEList in reversed order

Note

NEList.reverseIterator is the same as NEList.reverse.iterator, but might be more efficient.

def reverseMap[U](f: T => U): NEList[U]

Builds a new NEList by applying a function to all elements of this NEList and collecting the results in reverse order.

Builds a new NEList by applying a function to all elements of this NEList and collecting the results in reverse order.

Type parameters

U

the element type of the returned NEList.

Value parameters

f

the function to apply to each element.

Attributes

Returns

a new NEList resulting from applying the given function f to each element of this NEList and collecting the results in reverse order.

Note

NEList.reverseMap(f) is the same as NEList.reverse.map(f), but might be more efficient.

def sameElements[U >: T](that: Iterable[U]): Boolean

Checks if the given Iterable contains the same elements in the same order as this NEList.

Checks if the given Iterable contains the same elements in the same order as this NEList.

Value parameters

that

the Iterable with which to compare

Attributes

Returns

true, if both this NEList and the given Iterable contain the same elements in the same order, false otherwise.

def sameElements[U >: T](that: Vector[U]): Boolean

Checks if the given Vector contains the same elements in the same order as this NEList.

Checks if the given Vector contains the same elements in the same order as this NEList.

Value parameters

that

the Vector with which to compare

Attributes

Returns

true, if both this and the given Vector contain the same elements in the same order, false otherwise.

def sameElements[U >: T](that: NEList[U]): Boolean

Checks if the given NEList contains the same elements in the same order as this NEList.

Checks if the given NEList contains the same elements in the same order as this NEList.

Value parameters

that

the NEList with which to compare

Attributes

Returns

true, if both this and the given NEList contain the same elements in the same order, false otherwise.

def scan[U >: T](z: U)(op: (U, U) => U): NEList[U]

Computes a prefix scan of the elements of this NEList.

Computes a prefix scan of the elements of this NEList.

Type parameters

U

a type parameter for the binary operator, a supertype of T, and the type of the resulting NEList.

Value parameters

op

a binary operator that must be associative

z

a neutral element for the scan operation; may be added to the result an arbitrary number of times, and must not change the result (e.g., Nil for list concatenation, 0 for addition, or 1 for multiplication.)

Attributes

Returns

a new NEList containing the prefix scan of the elements in this NEList

Note

The neutral element z may be applied more than once. Here are some examples:

NEList(1, 2, 3).scan(0)(_ + _) == NEList(0, 1, 3, 6)
NEList(1, 2, 3).scan("z")(_ + _.toString) == NEList("z", "z1", "z12", "z123")
def scanLeft[B](z: B)(op: (B, T) => B): NEList[B]

Produces a NEList containing cumulative results of applying the operator going left to right.

Produces a NEList containing cumulative results of applying the operator going left to right.

Here are some examples:

NEList(1, 2, 3).scanLeft(0)(_ + _) == NEList(0, 1, 3, 6)
NEList(1, 2, 3).scanLeft("z")(_ + _) == NEList("z", "z1", "z12", "z123")

Type parameters

B

the result type of the binary operator and type of the resulting NEList

Value parameters

op

the binary operator.

z

the start value.

Attributes

Returns

a new NEList containing the intermediate results of inserting op between consecutive elements of this NEList, going left to right, with the start value, z, on the left.

def scanRight[B](z: B)(op: (T, B) => B): NEList[B]

Produces a NEList containing cumulative results of applying the operator going right to left.

Produces a NEList containing cumulative results of applying the operator going right to left.

Here are some examples:

NEList(1, 2, 3).scanRight(0)(_ + _) == NEList(6, 5, 3, 0)
NEList(1, 2, 3).scanRight("z")(_ + _) == NEList("123z", "23z", "3z", "z")

Type parameters

B

the result of the binary operator and type of the resulting NEList

Value parameters

op

the binary operator

z

the start value

Attributes

Returns

a new NEList containing the intermediate results of inserting op between consecutive elements of this NEList, going right to left, with the start value, z, on the right.

def segmentLength(p: T => Boolean, from: Int): Int

Computes length of longest segment whose elements all satisfy some predicate.

Computes length of longest segment whose elements all satisfy some predicate.

Value parameters

from

the index where the search starts.

p

the predicate used to test elements.

the

length of the longest segment of this NEList starting from index from such that every element of the segment satisfies the predicate p.

Attributes

def size: Int

The size of this NEList.

The size of this NEList.

Attributes

Returns

the number of elements in this NEList.

Note

length and size yield the same result, which will be >= 1.

def sliding(size: Int): Iterator[NEList[T]]

Groups elements in fixed size blocks by passing a “sliding window” over them (as opposed to partitioning them, as is done in grouped.)

Groups elements in fixed size blocks by passing a “sliding window” over them (as opposed to partitioning them, as is done in grouped.)

Value parameters

size

the number of elements per group

Attributes

Returns

an iterator producing NELists of size size, except the last and the only element will be truncated if there are fewer elements than size.

def sliding(size: Int, step: Int): Iterator[NEList[T]]

Groups elements in fixed size blocks by passing a “sliding window” over them (as opposed to partitioning them, as is done in grouped.), moving the sliding window by a given step each time.

Groups elements in fixed size blocks by passing a “sliding window” over them (as opposed to partitioning them, as is done in grouped.), moving the sliding window by a given step each time.

Value parameters

size

the number of elements per group

step

the distance between the first elements of successive groups

Attributes

Returns

an iterator producing NELists of size size, except the last and the only element will be truncated if there are fewer elements than size.

def sortBy[U](f: T => U)(implicit ord: Ordering[U]): NEList[T]

Sorts this NEList according to the Ordering of the result of applying the given function to every element.

Sorts this NEList according to the Ordering of the result of applying the given function to every element.

Type parameters

U

the target type of the transformation f, and the type where the Ordering ord is defined.

Value parameters

f

the transformation function mapping elements to some other domain U.

ord

the ordering assumed on domain U.

Attributes

Returns

a NEList consisting of the elements of this NEList sorted according to the Ordering where x < y if ord.lt(f(x), f(y)).

def sortWith(lt: (T, T) => Boolean): NEList[T]

Sorts this NEList according to a comparison function.

Sorts this NEList according to a comparison function.

The sort is stable. That is, elements that are equal (as determined by lt) appear in the same order in the sorted NEList as in the original.

Value parameters

the

comparison function that tests whether its first argument precedes its second argument in the desired ordering.

Attributes

Returns

a NEList consisting of the elements of this NEList sorted according to the comparison function lt.

def sorted[U >: T](implicit ord: Ordering[U]): NEList[U]

Sorts this NEList according to an Ordering.

Sorts this NEList according to an Ordering.

The sort is stable. That is, elements that are equal (as determined by lt) appear in the same order in the sorted NEList as in the original.

Value parameters

ord

the Ordering to be used to compare elements.

the

comparison function that tests whether its first argument precedes its second argument in the desired ordering.

Attributes

Returns

a NEList consisting of the elements of this NEList sorted according to the comparison function lt.

def startsWith[B](that: Seq[B]): Boolean

Indicates whether this NEList starts with the given Seq.

Indicates whether this NEList starts with the given Seq.

Value parameters

that

the Seq slice to look for in this NEList

Attributes

Returns

true if this NEList has that as a prefix, false otherwise.

def startsWith[B](that: Seq[B], offset: Int): Boolean

Indicates whether this NEList starts with the given Seq at the given index.

Indicates whether this NEList starts with the given Seq at the given index.

Value parameters

offset

the index at which this NEList is searched.

that

the Seq slice to look for in this NEList

Attributes

Returns

true if this NEList has that as a slice at the index offset, false otherwise.

def startsWith[B](that: Vector[B]): Boolean

Indicates whether this NEList starts with the given Vector.

Indicates whether this NEList starts with the given Vector.

Value parameters

that

the Vector to test

Attributes

Returns

true if this collection has that as a prefix, false otherwise.

def startsWith[B](that: NEList[B]): Boolean

Indicates whether this NEList starts with the given NEList.

Indicates whether this NEList starts with the given NEList.

Value parameters

that

the NEList to test

Attributes

Returns

true if this collection has that as a prefix, false otherwise.

def startsWith[B](that: Vector[B], offset: Int): Boolean

Indicates whether this NEList starts with the given Vector at the given index.

Indicates whether this NEList starts with the given Vector at the given index.

Value parameters

offset

the index at which this NEList is searched.

that

the Vector slice to look for in this NEList

Attributes

Returns

true if this NEList has that as a slice at the index offset, false otherwise.

def startsWith[B](that: NEList[B], offset: Int): Boolean

Indicates whether this NEList starts with the given NEList at the given index.

Indicates whether this NEList starts with the given NEList at the given index.

Value parameters

offset

the index at which this NEList is searched.

that

the NEList slice to look for in this NEList

Attributes

Returns

true if this NEList has that as a slice at the index offset, false otherwise.

def stringPrefix: String

Returns "NEList", the prefix of this object's toString representation.

Returns "NEList", the prefix of this object's toString representation.

Attributes

Returns

the string "NEList"

def sum[U >: T](implicit num: Numeric[U]): U

The result of summing all the elements of this NEList.

The result of summing all the elements of this NEList.

This method can be invoked for any NEList[T] for which an implicit Numeric[T] exists.

Attributes

Returns

the sum of all elements

def tail: List[T]
def to[C1](factory: Factory[T, C1]): C1

Converts this NEList into a collection of type Col by copying all elements.

Converts this NEList into a collection of type Col by copying all elements.

Type parameters

C1

the collection type to build.

Attributes

Returns

a new collection containing all elements of this NEList.

def toArray[U >: T](implicit classTag: ClassTag[U]): Array[U]

Converts this NEList to an array.

Converts this NEList to an array.

Attributes

Returns

an array containing all elements of this NEList. A ClassTag must be available for the element type of this NEList.

def toBuffer[U >: T]: Buffer[U]

Converts this NEList to a mutable buffer.

Converts this NEList to a mutable buffer.

Attributes

Returns

a buffer containing all elements of this NEList.

def toIndexedSeq: IndexedSeq[T]

Converts this NEList to an immutable IndexedSeq.

Converts this NEList to an immutable IndexedSeq.

Attributes

Returns

an immutable IndexedSeq containing all elements of this NEList.

def toIterable: Iterable[T]

Converts this NEList to an iterable collection.

Converts this NEList to an iterable collection.

Attributes

Returns

an Iterable containing all elements of this NEList.

def toIterator: Iterator[T]

Returns an Iterator over the elements in this NEList.

Returns an Iterator over the elements in this NEList.

Attributes

Returns

an Iterator containing all elements of this NEList.

def toMap[K, V](implicit ev: T <:< (K, V)): Map[K, V]

Converts this NEList to a map.

Converts this NEList to a map.

This method is unavailable unless the elements are members of Tuple2, each ((K, V)) becoming a key-value pair in the map. Duplicate keys will be overwritten by later keys.

Attributes

Returns

a map of type immutable.Map[K, V] containing all key/value pairs of type (K, V) of this NEList.

def toSeq: Seq[T]

Converts this NEList to an immutable IndexedSeq.

Converts this NEList to an immutable IndexedSeq.

Attributes

Returns

an immutable IndexedSeq containing all elements of this NEList.

def toSet[U >: T]: Set[U]

Converts this NEList to a set.

Converts this NEList to a set.

Attributes

Returns

a set containing all elements of this NEList.

override def toString: String

Returns a string representation of this NEList.

Returns a string representation of this NEList.

Attributes

Returns

the string "NEList" followed by the result of invoking toString on this NEList's elements, surrounded by parentheses.

Definition Classes
Any
def toVector: Vector[T]

Converts this NEList to a Vector.

Converts this NEList to a Vector.

Attributes

Returns

a Vector containing all elements of this NEList.

def transpose[U](implicit ev: T <:< NEList[U]): NEList[NEList[U]]
def union[U >: T](that: Vector[U]): NEList[U]

Produces a new NEList that contains all elements of this NEList and also all elements of a given Vector.

Produces a new NEList that contains all elements of this NEList and also all elements of a given Vector.

NEListX union everyY is equivalent to NEListX ++ everyY.

Another way to express this is that NEListX union everyY computes the order-presevring multi-set union of NEListX and everyY. This union method is hence a counter-part of diff and intersect that also work on multi-sets.

Value parameters

that

the Vector to add.

Attributes

Returns

a new NEList that contains all elements of this NEList followed by all elements of that Vector.

def union[U >: T](that: NEList[U]): NEList[U]

Produces a new NEList that contains all elements of this NEList and also all elements of a given NEList.

Produces a new NEList that contains all elements of this NEList and also all elements of a given NEList.

NEListX union NEListY is equivalent to NEListX ++ NEListY.

Another way to express this is that NEListX union NEListY computes the order-presevring multi-set union of NEListX and NEListY. This union method is hence a counter-part of diff and intersect that also work on multi-sets.

Value parameters

that

the NEList to add.

Attributes

Returns

a new NEList that contains all elements of this NEList followed by all elements of that.

def union[U >: T](that: Seq[U]): NEList[U]

Produces a new NEList that contains all elements of this NEList and also all elements of a given Seq.

Produces a new NEList that contains all elements of this NEList and also all elements of a given Seq.

NEListX union ys is equivalent to NEListX ++ ys.

Another way to express this is that NEListX union ys computes the order-presevring multi-set union of NEListX and ys. This union method is hence a counter-part of diff and intersect that also work on multi-sets.

Value parameters

that

the Seq to add.

Attributes

Returns

a new NEList that contains all elements of this NEList followed by all elements of that Seq.

def unzip[L, R](implicit asPair: T => (L, R)): (NEList[L], NEList[R])

Converts this NEList of pairs into two NELists of the first and second half of each pair.

Converts this NEList of pairs into two NELists of the first and second half of each pair.

Type parameters

L

the type of the first half of the element pairs

R

the type of the second half of the element pairs

Value parameters

asPair

an implicit conversion that asserts that the element type of this NEList is a pair.

Attributes

Returns

a pair of NELists, containing the first and second half, respectively, of each element pair of this NEList.

def unzip3[L, M, R](implicit asTriple: T => (L, M, R)): (NEList[L], NEList[M], NEList[R])

Converts this NEList of triples into three NELists of the first, second, and and third element of each triple.

Converts this NEList of triples into three NELists of the first, second, and and third element of each triple.

Type parameters

L

the type of the first member of the element triples

R

the type of the third member of the element triples

Value parameters

asTriple

an implicit conversion that asserts that the element type of this NEList is a triple.

Attributes

Returns

a triple of NELists, containing the first, second, and third member, respectively, of each element triple of this NEList.

def updated[U >: T](idx: Int, elem: U): NEList[U]

A copy of this NEList with one single replaced element.

A copy of this NEList with one single replaced element.

Value parameters

elem

the replacing element

idx

the position of the replacement

Attributes

Returns

a copy of this NEList with the element at position idx replaced by elem.

Throws
IndexOutOfBoundsException

if the passed index is greater than or equal to the length of this NEList

def zipAll[O, U >: T](other: Iterable[O], thisElem: U, otherElem: O): NEList[(U, O)]

Returns a NEList formed from this NEList and an iterable collection by combining corresponding elements in pairs. If one of the two collections is shorter than the other, placeholder elements will be used to extend the shorter collection to the length of the longer.

Returns a NEList formed from this NEList and an iterable collection by combining corresponding elements in pairs. If one of the two collections is shorter than the other, placeholder elements will be used to extend the shorter collection to the length of the longer.

Value parameters

other

the Iterable providing the second half of each result pair

thatElem

the element to be used to fill up the result if that Iterable is shorter than this NEList.

thisElem

the element to be used to fill up the result if this NEList is shorter than that Iterable.

Attributes

Returns

a new NEList containing pairs consisting of corresponding elements of this NEList and that. The length of the returned collection is the maximum of the lengths of this NEList and that. If this NEList is shorter than that, thisElem values are used to pad the result. If that is shorter than this NEList, thatElem values are used to pad the result.

def zipWithIndex: NEList[(T, Int)]

Zips this NEList with its indices.

Zips this NEList with its indices.

Attributes

Returns

A new NEList containing pairs consisting of all elements of this NEList paired with their index. Indices start at 0.

Concrete fields

val toList: List[T]