Pros and Cons of Swift Programming Language | AltexSoft
Can't use Swift classes inside Objective-C - Stack Overflow
Moving Projects from Obj-C to Swift
iOS Handbook | Miscellaneous / Swift-Objective C interoperability and best practices
iOS Tests working with Objective-C and Swift class together | by MonGuNare | If let swift = Programming! | Medium
Calling Hidden/Private API from Swift in Style | The Startup
Lesson 2: Creating Custom Classes in Objective-C | by Will Harrison | Introduction to iPhone Application Development | Medium
clang: clang::ObjCInterfaceDecl Class Reference
objc' can only be applied to an extension of a class , calling extension method from swift to objective c - Stack Overflow
UIViewController + NSNotification extension protocol based @objc issue - Stack Overflow
FrameworkName' is not a member type of 'FrameworkName' errors inside swiftinterface - Using Swift - Swift Forums
C syntax - Wikipedia
Swift 3 protocol extension using selector error - Stack Overflow
Working with Objects
Swift vs. Objective-C: 10 reasons the future favors Swift | InfoWorld
Some best practices for designing and coding Swift classes – iOS Brain
Add '@objcMembers' attribute to all class declarations – Swiftify
Calling Hidden/Private API from Swift in Style | The Startup
Chapter 4. Objective-C Classes
Lesson 2: Creating Custom Classes in Objective-C | by Will Harrison | Introduction to iPhone Application Development | Medium
clang: clang::ObjCInterfaceDecl Class Reference
objc' can only be applied to an extension of a class , calling extension method from swift to objective c - Stack Overflow
Advanced Swift · objc.io
