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License: MIT License
Subclassable Objective-C singleton for Mac OSX and iOS
License: MIT License
Now you could check if your singleton subclass has already been initialized by checking isInitialized
before calling [super init]
because DOSingleton will set this property to YES in its init
method and your initialization never calls (if you follow convention).
Need some other method to check if singleton has been initialized in subclasses.
test issue
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