SwiftBeta

func divide(a: Int, b: Int?) -> Int? {
  guard let divisor = b, divisor != 0 else {
    return nil
  }
  return a / divisor
}
if let result = divide(a: 10, b: 2) {
  print(result)
}

SwiftBeta

let session = URLSession.shared
let url = "https://www.example.com"
let task = session.dataTask(with:URL(string: url)!){ data, response, error in 
    if let httpResponse = response as? HTTPURLResponse {
        print(httpResponse.statusCode)
    }
}
task.resume()

SwiftBeta

let number = 5
switch number {
    case 1:
        print("The number is 1")
    case 2:
        print("The number is 2")
    default:
        print("The number is not 1 or 2")
}

SwiftBeta

let foo = 10
var bar = 20
bar = 30
foo = 40
// Error: Cannot assign to 'let' value 'foo'

SwiftBeta

extension View {
    func myCustomModifier() -> some View {
        self
            .font(.headline)
            .foregroundColor(.red)
    }
}

SwiftBeta

let a = true
let b = false
let result = a && b

SwiftBeta

let url = URL(string: "https://www.example.com")
let task = URLSession.shared.dataTask(with: url!) {(data, response, error) in
  guard let data = data else { return }
  print(String(data: data, encoding: .utf8)!)
}
task.resume()

SwiftBeta

class Person { 
 	 lazy var name : String = "John" 
}

SwiftBeta

class CustomObject {
    var id: Int
    var value: String
    init(id: Int, value: String) {
        self.id = id
        self.value = value
    }
}
let objects = [CustomObject(id: 1, value: "c"), CustomObject(id: 3, value: "a"), CustomObject(id: 2, value: "b")]
let sortedObjects = objects.sorted { $0.id < $1.id }

SwiftBeta

class MyClass { 

  private var myProperty: Int 

  init(myProperty: Int) { 
    self.myProperty = myProperty 
  } 

}