Array

public extension Array
public extension Array where Element: Equatable
public extension Array where Element == String

  • Return array containing elements of self that are also in other, plus elements from other that are not in self

    Declaration

    Swift

    func updatedPreservingOrder(from other: Array, predicate: (Element, Element) -> Bool) -> [Element]

    Parameters

    other

    the array to update from
    predicate

    returns true if a pair of elements, one from each array, satisfies it

    Return Value

    updated array

  • Update array in-place to contain elements of self that are also in other, plus elements from other that are not in self

    Declaration

    Swift

    mutating func updatePreservingOrder(from other: Array, predicate: (Element, Element) -> Bool)

    Parameters

    other

    the array to update from
    predicate

    returns true if a pair of elements, one from each array, satisfies it

  • Move the element at old index to new index, modifying self in-place

    Declaration

    Swift

    mutating func move(atIndex old: Index, toIndex new: Index)

    Parameters

    old

    index of the element to move
    new

    new index of the element

  • Move the element at old index to new index

    Declaration

    Swift

    func moved(atIndex old: Index, toIndex new: Index) -> [Element]

    Parameters

    old

    index of the element to move
    new

    new index of the element

    Return Value

    modified copy of self

  • Move the element matching the predicate to index, modifying self in-place

    Declaration

    Swift

    mutating func move(where predicate: (Element) -> Bool, to index: Index)

    Parameters

    predicate

    allows the move if true
    index

    new position of the element

  • Move the element matching the predicate to index

    Declaration

    Swift

    func moved(where predicate: (Element) -> Bool, to index: Index) -> [Element]

    Parameters

    predicate

    allows the move if true
    index

    new position of the element

    Return Value

    modified copy of self

Available where Element: Equatable

  • Return array containing elements of self that are also in other, plus elements from other that are not in self

    Declaration

    Swift

    func updatedPreservingOrder(from other: Array) -> [Element]

    Parameters

    other

    the array to update from

    Return Value

    updated array

  • Update array in-place to contain elements of self that are also in other, plus elements from other that are not in self

    Declaration

    Swift

    mutating func updatePreservingOrder(from other: Array)

    Parameters

    other

    the array to update from

  • Move the element to index, modifying self in-place

    Declaration

    Swift

    mutating func move(element: Element, to index: Index)

    Parameters

    element

    to be moved
    index

    new position of the element

  • Move the element matching the predicate to index

    Declaration

    Swift

    func moved(element: Element, to index: Index) -> [Element]

    Parameters

    element

    to be moved
    index

    new position of the element

    Return Value

    modified copy of self

Available where Element == String

  • Given an array of strings, each optionally sepatated into prefix and suffix by the separator, sort strings aplhabeticall, but grouped by suffix

    Declaration

    Swift

    func sortedBySuffixAndPrefix(separator: String = "_") -> [Element]

    Parameters

    separator

    defaults to “_”

    Return Value

    sorted array