Видео ютуба по тегу How To Use Extention To Adopt A Protocol In Swift

Chapter 8. Protocols and Extensions: A Swift Lesson in Protocol - Part 4
Chapter 8. Protocols and Extensions: A Swift Lesson in Protocol - Part 4
Chapter 8. Protocols and Extensions: A Swift Lesson in Protocol - Part 3
Chapter 8. Protocols and Extensions: A Swift Lesson in Protocol - Part 3
Chapter 8. Protocols and Extensions: A Swift Lesson in Protocol - Part 1
Chapter 8. Protocols and Extensions: A Swift Lesson in Protocol - Part 1
Chapter 8. Protocols and Extensions: A Swift Lesson in Protocol - Part 2
Chapter 8. Protocols and Extensions: A Swift Lesson in Protocol - Part 2
Swift Tutorials - Part 32, Protocols through Extension
Swift Tutorials - Part 32, Protocols through Extension