LispWorks User Guide and Reference Manual > 14 The Metaobject Protocol > 14.1 Metaobject features incompatible with AMOP

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14.1.6 Generic Function Invocation Protocol

compute-applicable-methods-using-classes is not implemented.

compute-discriminating-function is implemented and returns the discriminator but:

Moreover add-method does not call compute-discriminating-function because this would be inefficient when doing multiple calls to add-method . Instead, compute-discriminating-function is called when the generic function is called.


LispWorks User Guide and Reference Manual - 22 Dec 2009

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