• https://developer.apple.com/library/mac/releasenotes/ObjectiveC/ModernizationObjC/AdoptingModernObjective-C/AdoptingModernObjective-C.html#//apple_ref/doc/uid/TP40014150
• http://qiita.com/makoto_kw/items/d86fada0e38e9245912a
• BlocksKitの利用を検討する

NSDictionary

before

NSDictionary *aDictionary = [NSDictionary dictionaryWithObjectsAndKeys:
                                value, @"Key",
                                [NSNumber numberWithBOOL:YES], @"OtherKey", nil];

after

objectivec:afterNSDictionary *aDictionary = @{ @"Key" : value, @"OtherKey" : @YES };