> Am 11.03.2017 um 04:57 schrieb sergio ruiz <sergio....@gmail.com>: > > I have a simple one, but i need to understand what is going on.. > > i have something like > > Tree > > with a class method > > trees > ^ trees ifNil: [OrderedCollection new] > > i initially ran into trouble with it locking my image up because i wrote it > as: > > trees > ^ self trees ifNil: [OrderedCollection new] > > what is the semantic difference between these two calls? > The first one accesses the instance variable. The second one calls the method tress (same method) which results in an endless loop.
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