- (NSString *)uuid
{
     CFUUIDRef uuidRef = CFUUIDCreate(NULL);
     CFStringRef uuidStringRef = CFUUIDCreateString(NULL, uuidRef);
     CFRelease(uuidRef);
     return [NSMakeCollectable(uuidStringRef) autorelease];
}

the receiver of this -uuid message is a NSString _instance_ – is there any reason why this could not be implemented as a class method

+ (NSString *)uuid { /* same as above */ }

or as a free function

NSString * MYuuid() { /* same as above */ }

?

Klaus

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