3 ms·
Many Cocoa classes are immutable (NSString, NSDictionary, NSArray). You can use the mutable versions (i.e. NSMutableString, NSMutableDictionary, NSMutableArray)
by robterrell 13y ago
Many Cocoa classes are immutable (NSString, NSDictionary, NSArray). You can use the mutable versions (i.e. NSMutableString, NSMutableDictionary, NSMutableArray) but there's no reason to if the immutable versions are a better fit for clojurem.