1. Playing with
Playgrounds
eurico@phybbit.com

2. Overview
• Introduction
• Interface
• Quick Look
• Value History
• Opinion

3. Introduction
• Comes bundled with Xcode6
• Supports Swift for iOS and OSX
• (Almost) no need for project configuration

4. Introduction
• Playground is like a shell-interpreter but more
convenient
!
• Swift REPL (xcrun swift)
!
• Playgrounds

5. Interface
• Text editor

6. Interface
• Quick look

7. Interface
• Value History

8. Quick Look
• Almost all basic types have either a quick look
support
• Or, they are displayed the same way they are in
the debugger

9. Value History
• Visualize how values changed over time
• Example: implement a couple of tweening
functions

10. Opinion
• Good:
• Quick Look & Value History
• Quick start, no setup
• Easy learning curve
• Not so good:
• Xcode6 crashes a lot… (still in beta)
• No user input
• Slow
• iOS playgrounds seems to be much less robust than OSX

11. eurico@phybbit.com
Thank you!
Questions?
!
Reference:
https://developer.apple.com/videos/wwdc/2014/