Jimmy-Prime

protocol P {
    func test()
}

private struct Object {
    let index: Int
}

extension Object: P {
    fileprivate func test() {

Jimmy-Prime

class OAO {
    let concurrent = DispatchQueue(label: "OAO", attributes: .concurrent)
    let arrayQueue = DispatchQueue(label: "OAO.array", attributes: .concurrent)

    // Thread-Safe
    private var _array: [Int] = []

    private var array: [Int] {
        get {

Jimmy-Prime

// Model

typealias ChannelID = Int

struct ChannelGroup {
    var name: String
    var channels: [ChannelID]
}

// View's Model

Jimmy-Prime

// designated init
init() {}

// designated init label
init(label: Type) {}

// convenience init
convenience init() {}

// convenience init label

Jimmy-Prime

@objc class SettingsViewController: UITableViewController {
    @objc convenience init() {
        self.init(categories: SettingCategory.allCases)
    }

    init(categories: [SettingCategory]) {
        super.init(nibName: nil, bundle: nil)
    }

    required init?(coder: NSCoder) {

Jimmy-Prime

class SettingsViewController: UITableViewController {}

func showSettings() {
    let vc = SettingsViewController()
    let nav = UINavigationController(rootViewController: vc)
    self.present(nav, animated: true)
}

Jimmy-Prime

import UIKit

protocol DropdownMenuItem {
    var appearance: UIListContentConfiguration { get }
}

protocol DropdownMenuSection {
    associatedtype Item: DropdownMenuItem

    var appearance: UIListContentConfiguration? { get }

Jimmy-Prime

class Channel {
  final int id;

  bool isStarred;
  bool isJoined;
  bool isEncrypted;

  Channel.fromJson(Map<String, dynamic> json)
      : id = json['channel_id'],
        isStarred = json['is_star'],

Jimmy-Prime

import Foundation

// valid JSON format
// 1. null
// 2. String
// 3. Number
// 4. { "key": JSON, "key": JSON, ... }
// 5. [JSON, JSON, ...]

enum Status {

Jimmy-Prime

// Because Label's size don't match, transition looks weird.

import SwiftUI

struct FloatingLabelTextField: View {
    @Namespace private var namespace

    let placeholder: String
    @Binding var text: String
    @State private var isTextFieldFirstResponder: Bool = false