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Q1: typedef NS_ENUMQ2: 复杂的宏改何去何从?A1: 使用函数替换宏A2: 稍微多几个参数的宏定义Q3: 结构体转换Tip:从OC头文件显示转换成Swift接口文件参考资料:
Q1: typedef NS_ENUM
OC中的枚举被转换成了swif中的枚举:
typedef NS_ENUM(NSInteger, PersonSexType) {PersonSexTypeMale,PersonSexTypeFemale,PersonSexTypeNeuter};public enum PersonSexType : Int {case Malecase Femalecase Neuter}public class Person : NSObject {public var sexType: PersonSexType}
Q2: 复杂的宏改何去何从?
Complex Macros
Complex macros are used in C and Objective-C but have no counterpart in Swift.(不兼容) Complex macros are macros that do not define constants, including parenthesized, function-like macros. You use complex macros in C and Objective-C to avoid type-checking constraints or to avoid retyping large amounts of boilerplate code. However, macros can make debugging and refactoring difficult. In Swift, you can use functions and generics to achieve the same results without any compromises.(替代方法就是使用函数和泛型手段实现这些宏的功能) Therefore, the complex macros that are in C and Objective-C source files are not made available to your Swift code.
http://stackoverflow.com/questions/24133695/how-to-use-objective-c-code-with-define-macros-in-swift
http://blog.koder.me/ios/2015/11/13/ObjectiveC-Macros-to-swift-constants.html
