Category on NSBlock to add the type signature to the description
BlockTypeDescription adds a block’s type signature to its description. It makes debugging more transparent, and turns an otherwise useless description into a useful one.
Objective-C Blocks Quiz
Do you really know how blocks work in Objective-C? Take this quiz to find out.
BlocksKit
Blocks in C and Objective-C are downright magical. They make coding easier and potentially quicker, not to mention faster on the front end with multithreading and Grand Central Dispatch. BlocksKit hopes to facilitate this kind of programming by removing some of the annoying - and, in some cases, impeding - limits on coding with blocks.
BlocksKit is a framework and static library for iOS 4.0+ and Mac OS X 10.6+.
BlockRuntime project allows to use blocks on iOS < 4
BlockRuntime project on github
