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Ah yes, deep inheritance chains and throw in some multithreading as well and you have the perfect storm!
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No need for monotheism; both have their benefits. Keep classes specialized & thin, reduces inheritance problems.
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Deep hierarchies are also successful in libraries built to be extended by others. Different extrinsic pressures.
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when taught me that composition was more important than subclassing in cocoa I'm glad I listened
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Are you arguing that favouring composition over inheritance is extreme? Or against the fragile base class problem?
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