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import Foundation
import UIKit

// From an example view hierarchy...
// 1 -> 2 -> 3 -> 4 -> 5
//      |
//      ---> 6
// Find the least common ancestor of 2 views.

// Input

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find /Applications -name "*.app" -user old-user -maxdepth 1 | tr \\n \\0 | xargs -0 sudo chown -R $USER

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import Foundation

// Allows defining CodingKey from String
struct DynamicCodingKey: CodingKey {
  var intValue: Int?
  var stringValue: String

  init?(intValue: Int) {
    assertionFailure("Not implemented")
    return nil

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import Foundation

public extension Array {
  // Iterate through all elements in pair tuples
  // e.g. [1, 2, 3, 4].allPairs = [(1, 2), (2, 3), (3, 4)]
  var allPairs: [(Element, Element)] {
    var array: [(Element, Element)] = []
    for i in 0..<self.count - 1 {
      array.append((self[i], self[i+1]))
    }

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import UIKit

public extension UIColor {
  convenience init(hex: String) {
    let r, g, b, a: CGFloat

    var hex = hex
    if hex.hasPrefix("#") { hex = String(hex.dropFirst()) }

    if hex.count == 6 {

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import Foundation
import XcodeKit

class SourceEditorCommand: NSObject, XCSourceEditorCommand {

  // Reverses code on selected lines
  func perform(with invocation: XCSourceEditorCommandInvocation, completionHandler: @escaping (Error?) -> Void ) -> Void {

    let lines = invocation.buffer.lines as? [String] ?? []

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  @State private var showModal = false

  var body: some View {
    Button(action: { self.showModal.toggle() }) {
      HStack {
        Text("Show MODAL")
        Spacer()
        Text("〉")
      }
    }.sheet(isPresented: $showModal) {

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let data = """
{
  "response": [
    {
      "name": "Kitty",
    },
    {
      "name": "Doggy",
    }
  ]

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let exampleData = """
[
  {
    "type": "cat",
    "name": "Kitty",
  },
  {
    "type": "dog",
    "name": "Doggy",
  }

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struct LossyArray<Element: Decodable>: Decodable {
  private(set) var elements: [Element]

  init(from decoder: Decoder) throws {
    var container = try decoder.unkeyedContainer()
    var elements = [Element]()

    if let count = container.count {
      elements.reserveCapacity(count)
    }