🔰Attributes

• #available - 用於 code block

• @available - 用於 method 或 class 前面

📘 手冊

• Swift Language Reference ⟩ Attributes

  • Declaration Attributes

  • Type Attributes

  • Switch Case Attributes

📗 參考

• Hacking with Swift - Availability checking in Swift

• Better Programming - 10 Powerful @Attributes in Swift

👥 相關

• Compiler Directives

• Result Builders (declaration attribute)

declaration attributes

• available

• discardableResult

• dynamicCallable

• dynamicMemberLookup

• frozen

• ...

• propertyWrapper

• resultBuilder

• ...

type attributes

• autoclosure

• escaping

• convention

switch case attributes

• unknown