74 lines
2.1 KiB
Swift
74 lines
2.1 KiB
Swift
// Copyright © 2022 Rangeproof Pty Ltd. All rights reserved.
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import Foundation
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public extension Array where Element: CustomStringConvertible {
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var prettifiedDescription: String {
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return "[ " + map { $0.description }.joined(separator: ", ") + " ]"
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}
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}
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public extension Array {
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func appending(_ other: Element?) -> [Element] {
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guard let other: Element = other else { return self }
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var updatedArray: [Element] = self
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updatedArray.append(other)
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return updatedArray
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}
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func appending(contentsOf other: [Element]?) -> [Element] {
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guard let other: [Element] = other else { return self }
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var updatedArray: [Element] = self
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updatedArray.append(contentsOf: other)
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return updatedArray
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}
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func removing(index: Int) -> [Element] {
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var updatedArray: [Element] = self
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updatedArray.remove(at: index)
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return updatedArray
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}
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mutating func popFirst() -> Element? {
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guard !self.isEmpty else { return nil }
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return self.removeFirst()
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}
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func inserting(_ other: Element?, at index: Int) -> [Element] {
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guard let other: Element = other else { return self }
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var updatedArray: [Element] = self
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updatedArray.insert(other, at: index)
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return updatedArray
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}
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func inserting(contentsOf other: [Element]?, at index: Int) -> [Element] {
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guard let other: [Element] = other else { return self }
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var updatedArray: [Element] = self
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updatedArray.insert(contentsOf: other, at: 0)
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return updatedArray
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}
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func grouped<Key: Hashable>(by keyForValue: (Element) throws -> Key) -> [Key: [Element]] {
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return ((try? Dictionary(grouping: self, by: keyForValue)) ?? [:])
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}
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}
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public extension Array where Element: Hashable {
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func asSet() -> Set<Element> {
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return Set(self)
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}
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}
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public extension Array where Element == String {
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func reversed(if flag: Bool) -> [Element] {
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guard flag else { return self }
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return self.reversed()
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}
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}
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