Global Variables

code

// excerpted from Swift Tutorials
var landmarks: [Landmark] = load("landmarkData.json")

// excerpted from 彼得潘
var grade = 0

📗 參考

• 彼得潘 ⟩ Swift 的 global variable / constant

• Swift Tutorials ⟩ Create a Landmark Model

📘 手冊

• Swift ⟩ Global and Local Variables

🗣 討論

• How to create a global variable?

• 任何檔案皆可存取 global variable。

• global variable 寫在哪個檔案都可以。

• Global constants and variables are always computed lazily.

  👉 Lazy Stored Properties

• Global variables are defined outside of any function, method, closure, or type context.