drewmccormack

import SwiftSyntax
import SwiftSyntaxMacros
import SwiftCompilerPlugin

public enum SerialError: Error, CustomStringConvertible {
    case invalidInput
    case invalidOutput

    public var description: String {
        switch self {

drewmccormack

/// A queue that executes async functions in order, and atomically.
/// That is, each enqueued func executes fully before the next one is started.
struct AsyncSerialQueue {
    typealias Block = () async throws -> [Int]

    private struct Item {
        let block: Block
        let continuation: CheckedContinuation<[Int], Error>
    }

drewmccormack

import AppStoreConnect_Swift_SDK

func updateMetadata(forBundleID bundleID: String) async throws {
    let configuration = try! APIConfiguration(issuerID: "...", privateKeyID: "...", privateKey: "...")
    let provider = APIProvider(configuration: configuration)
    
    // Get app
    let appRequest = APIEndpoint.v1
        .apps
        .get(parameters: .init(filterBundleID: [bundleID], include: [.appInfos, .appStoreVersions]))

drewmccormack

actor Queue {
    private var tasks: [() async -> Void] = []
    
    func enqueue(_ task: @escaping () async -> Void) {
        tasks.append(task)
        Task { await runNext() }
    }
    
    private func runNext() async {
        guard !tasks.isEmpty else { return }

drewmccormack

struct Label: Hashable {
    var label: String
}

protocol LabelUniquing {
    var label: Label { get }
}

extension LabelUniquing {

drewmccormack

//
// Lightweight but powerful state machine.
//
// Usage:
//     enum TrafficLight: State {
//         case red, orange, green
//     }
//
//     var trafficLights = StateMachine<TrafficLight>(initialState: .red)
//     trafficLights.addRoute(from: .red, to: .green)

drewmccormack

import Foundation
import SwiftUI
import Combine

let dateFormatter: DateFormatter = {
    let dateFormatter = DateFormatter()
    dateFormatter.locale = Locale(identifier: "en_US_POSIX")
    dateFormatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ssZ"
    return dateFormatter
}()

drewmccormack

#!/usr/bin/env python

import sys, os.path
import os
import json
from xml.dom.minidom import parse

rootdir = os.getcwd()
lgPaths = ["iOS/AuthKitUI.lg", "iOS/CalendarUIKit.lg", "iOS/iCloudDriveSettings.lg", "iOS/MobileNotes.lg", "macOS/CalendarUI.lg", "macOS/Finder_FE.lg", "macOS/Finder_FinderKit.lg", "macOS/iCloudPrefPane.lg", "macOS/Notes.lg", "macOS/Reminders.lg", "macOS/TextEdit.lg"]
languageDirs = ["Dutch", "French"]

drewmccormack

Here is some SwiftUI code I have.
------
NavigationView {
    List(translations) { translation in
        Button(action: {
            self.dataSource.selectedTranslationId = translation.id
        }) {
            TranslationCell(translation: translation)
        }
    }

drewmccormack

import Foundation

struct Small {
    var i: Int
    var j: Int
}

var s = Small(i: 1, j: 2)

DispatchQueue.global(qos: .background).async {