Looking here (https://developer.apple.com/library/ios/documentation/Cocoa/Conceptual/ProgrammingWithObjectiveC/WorkingwithBlocks/WorkingwithBlocks.html https://

Looking here (https://developer.apple.com/library/ios/documentation/Cocoa/Conceptual/ProgrammingWithObjectiveC/WorkingwithBlocks/WorkingwithBlocks.html https://developer.apple.com/library/ios/documentation/Cocoa/...) for the details, I think this is going to largely be a matter of opinion. I prefer the C++ syntax, especially when it comes to capture by reference, for which the Apple syntax seems to require the __block storage type modifier.