Here’s a project that providing an Xcode 6 playground with examples of a number patterns that you can use within your own projects, or just for learning called Design-Patterns-In-Swift from Oktawian Chojnacki.
Some of the design patterns included are:
- Singleton
- Builder
- Abstract Factory
- Prototype
- Facade
- Strategy
There are more design patterns being added to the project.
You can find Design-Patterns-In-Swift on Github here.
A nice set of examples on implanting Swift design patterns.