Swift - Protocol oriented programming

Perkenalan Swift - Protocol oriented programming

Transcript

1. Protocol Oriented Programming in Swift
2. "Crusty" is an old-school programmer who doesn't trust IDE's, debuggers and he doesn’t do OOP
3. Classes are Awesome • Encapsulation • Access Control • Abstraction • Namespace • Expressive Syntax • Extensibility
4. Classes are Awesome • Encapsulation • Access Control • Abstraction • Namespace • Expressive Syntax • Extensibility You can do all that with structs and enums!
5. Classes are Awesome Inheritance
6. Classes are Awesome Inheritance
7. Classes are Awesome Inheritance
8. Crusty's 3 complaints about classes 1. Implicit sharing 2. Inheritance is too intrusive 3. Lost type relationships
9. Implicit Sharing
10. Implicit Sharing
11. Implicit Sharing
12. Inheritance too intrusive • You can only have 1 super class • Bloating your super class • If superclass have stored properties ◦ You have to accept them, which bloat it ◦ You have to initialize it ◦ Make sure that you understand how to interact with your superclass
13. Lost Type Relationships
14. Protocol Solves the Problems