godrm

struct InputView {
    enum Prompt : String {
        case height = "> 사다리 높이를 입력해주세요.\n> "
        case names = "> 참여할 사람 이름을 입력하세요.\n> "
    }
    
    static private func read(with prompt: Prompt) -> String {
        print(prompt.rawValue)
        let value = readLine() ?? ""
        return value

godrm

//
//  archiver.swift
//
//  Created by JK on 2020/02/27.
//  Copyright © 2020 codesquad. All rights reserved.
//

import Foundation

class NBeverage : NSObject, NSCoding, Codable {

godrm

import UIKit
import OctoKit
import AuthenticationServices

extension URL {
    /// Returns a new URL by adding the query items, or nil if the URL doesn't support it.
    /// URL must conform to RFC 3986.
    func appending(_ queryItems: [URLQueryItem]) -> URL? {
        guard var urlComponents = URLComponents(url: self, resolvingAgainstBaseURL: true) else {
            // URL is not conforming to RFC 3986 (maybe it is only conforming to RFC 1808, RFC 1738, and RFC 2732)

godrm

func countByCharacter(_ value: String) -> [Character: Int] {
    var countMap = [Character: Int]()
    for char in value {
        let count = countMap[char] ?? 0
        countMap[char] = count + 1
    }
    return countMap
}

godrm

import Cocoa

var str = "Hello, playground"
let ptr = UnsafeRawPointer(str)

let origin = CGPoint(x: 0, y: 0)
var other = origin
other.x += 10
var another = origin
another.y += 5

godrm

class PlayerRefreshController {
    var players: [String] = []
    var gameSession: GameSession
    var refreshQueue = DispatchQueue(label: "PlayerRefresh")

    internal func refreshPlayers(completion: (() -> Void)? = nil) {
        refreshQueue.async {
            self.gameSession.allPlayers { players in
                self.players = players.map(\.nickname)
                completion?()

godrm

actor class PlayerRefreshController {
  var players: [String] = []
  var gameSession: GameSession

  func refreshPlayers() async { ... }
}

godrm

@UIActor
class PlayerRefreshController {
  var players: [String] = []
  var gameSession: GameSession
    
  func refreshPlayers() async {  ...  }
}

godrm

func makeDinner() async throws -> Meal {
  async let veggies = try chopVegetables()
  async let meat = marinateMeat()
  async let oven = try preheatOven(temperature: 350)

  let dish = Dish(ingredients: await [veggies, meat])
  return await try oven.cook(dish, duration: .hours(3))
}

godrm

actor class MyActor {
  let immutable: String = "42"
  var mutableArray: [String] = []

  func synchronousFunction() {
    mutableArray += ["syncFunction called"]
  }
}

extension MyActor {