robertmryan

extension Task {    
    static func bar() {
        Task<Void, Error> {
            try await foo()
        }
    }
}

extension Task where Success == Void, Failure == Error {    
    static func baz() {

robertmryan

class PetAnnotation: MKPointAnnotation {
    let type: PetType

    init(_ type: PetType, title: String? = nil, subtitle: String? = nil, latitude: Double, longitude: Double) {
        self.type = type

        super.init()

        self.title = title
        self.subtitle = subtitle

robertmryan

let regex = Regex {
    Capture {
        ZeroOrMore {
            OneOrMore(.word)
            "."
        }
        OneOrMore(.word)
    }
    "@"
    Capture {

robertmryan

let emailRegex = /((?:[a-z0-9!#$%&'*+\/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+\/=?^_`{|}~-]+)*|"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*"))@((?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|\[(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?|[a-z0-9-]*[a-z0-9]:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])+)\]))/

let redactText = "…"
let maxUserNameLength = 24

func redactEmail(for line: String) -> String {
    line.replacing(emailRegex) { match in
        let (_, name, domain) = match.output
        // If the username is too long, it might be a false positive for an email.
        return name.count > maxUserNameLength ? "\(name)@\(domain)" : redactText

robertmryan

@discardableResult
public func send(_ action: Action) async throws -> State {
    try Task.checkCancellation()
    
    let effect = await reducer.reduce(into: &viewState, action: action)

    if let nextAction = await effect.run() {
        return try await send(nextAction)
    }
    

robertmryan

class ViewController: UIViewController {
    override func viewDidLoad() {
        super.viewDidLoad()

        let label1 = addLabel(with: "I am a dynamic object")
        let spacer1 = addSpacer()
        let label2 = addLabel(with: "Me too.")
        let spacer2 = addSpacer()
        let label3 = addLabel(with: "Me three")
        let spacer3 = addSpacer()

robertmryan

Task {
    await withDiscardingTaskGroup { group in // or, `withTaskGroup(of: Void.self) { group in … }`
        for destination in pingResults.keys {
            let hostname = destination.hostname
            group.addTask { [self] in
                do {
                    let averagePing = try await getAveragePing(hostname: hostname, interval: 1, timeout: 2, attempts: 5)
                    
                    pingResults[destination] = .success(averagePing)
                    processingFirstResult = false

robertmryan

var task: Task<Void, Error>?
let (stream, continuation) = AsyncStream.makeStream(of: URL.self)

task = Task {
    for await url in stream {
        do {
            print("Sending request to \(url)")
            let (data, response) = try await URLSession.shared.data(from: url)
            // do something with data & response

robertmryan

class ViewController: NSViewController {
    let calendar = Calendar.autoupdatingCurrent
    var previousIdentifier: String = Calendar.current.timeZone.identifier

    override func viewDidLoad() {
        super.viewDidLoad()

        // poll to see if the identifier changed

        Timer.scheduledTimer(withTimeInterval: 1, repeats: true) { [weak self] timer in

robertmryan

import Foundation

class ViewController: NSViewController {
    private let scrollView = NSScrollView()
    private let tableView = NSTableView()
    private let arrayController = NSArrayController()
    private var observers: [NSKeyValueObservation] = []

    // Your data source array
    @objc dynamic var people: [Person] = [