NSHipster/articles — pull request #89 by rydermackay (2014-02-12 23:21:50+00:00)
Title: Remove @dynamic from sample implementation

The `@dynamic` keyword indicates that the accessors will be provided dynamically at runtime, but the sample code already provides them at compile time. See:
https://developer.apple.com/library/mac/documentation/cocoa/conceptual/ObjCRuntimeGuide/Articles/ocrtDynamicResolution.html