Subscripting requires runtime support in the form of `-[NSDictionary objectForKeyedSubscript:]` and pals , available only in iOS6 and above:
http://developer.apple.com/library/ios/documentation/cocoa/r...:
https://developer.apple.com/library/ios/#releasenotes/Object...
Subscripting requires runtime support in the form of `-[NSDictionary objectForKeyedSubscript:]` and pals , available only in iOS6 and above:
http://developer.apple.com/library/ios/documentation/cocoa/r...: