BTW Someone has managed to add a sort of "Playground " like functionality to Objective-C It 's...

[G+_Donald Burr]

BTW Someone has managed to add a sort of "Playground" like functionality to Objective-C. It's kind of a hack, but it works. :)  https://github.com/krzysztofzablocki/KZPlayground

https://github.com/krzysztofzablocki/KZPlayground