240 发简信
IP属地:北京
  • Collection Iteration with Closures

    Closure basics Shorthand syntax Shorthand syntax Closures with no return...

  • Sets

    CREATING SETS let setOne: Set let someArray = [1, 2, 3, 1] var someSet: ...

  • Dictionaries

    CREATING DICTIONARIES var namesAndScores = ["Anna": 2, "Brian": 2, "Crai...

  • Arrays

    CREATING ARRAYS ACCESSING ELEMENTS MANIPULATING ELEMENTS REMOVING ELEMEN...

  • Optionals

    Optionals var name = "Matt Galloway"var age = 30var occupation = "Softwa...