SebastianBoldt

extension ViewController {
    func addItems(items: [Item], to section: Section) {
        var snapshot = dataSource.snapshot()
        snapshot.appendSections([section])
        snapshot.appendItems(items, toSection: section)
        dataSource.apply(snapshot)
    }
}

SebastianBoldt

import UIKit

enum Section {
    case section1
    case section2
}

struct Item: Hashable {
    let color: UIColor
}

SebastianBoldt

@main
struct MainApp {
    static func main() async {
        await asyncFunction()
    }
}

SebastianBoldt

struct ContentView: View {
    var body: some View {
        VStack {
          Button("Async") {
            Task {
              await asyncFunction()
            }
          }
        }
    }

SebastianBoldt

enum SomeError: Error {
   case foo
}

func completionFunction(completion: @escaping ([Data], error: @escaping (Error) -> Void) -> Void) {
   getData(complete: completion)
}

func asyncFunctionWrapper() async -> Data {
    await withCheckedThrowingContinuation { continuation in

SebastianBoldt

func fetchItems() async throws {
    for try await item in getAsyncSequence() {
        print("Received item: \(item)")
    }
}

try? await fetchItems()

SebastianBoldt

func printData() async throws {
    var iterator = getAsyncIterator()

    if let item = try await iterator.next() {
        print("The first item is \(item)")
    }

    while let item = try await iterator.next() {
         print("\(item)")   
    }

SebastianBoldt

let loadDataTask = Task(priority: .medium) { () -> Data
  let url = URL(string: "https://hws.dev/headlines.json")!
  let (data, _) = try await URLSession.shared.data(from: url)
  return data
}

let data = try await loadDataTask.value

SebastianBoldt

let loadDataTask = Task { () -> Data? in
  let url = URL(string: "https://www.sebastianboldt.com")!
  let (data, _) = try await URLSession.shared.data(from: url)
  return data
}

let result = try await loadDataTask.result
    
switch result {
    case let .success(data):

SebastianBoldt

func createText() async throws -> String {
    // ....
}