push-defclass-extra-form

Arguments: form

Returns form, and as a side-effect causes form to be pushed onto a list of extra forms which will then appear close to the end of the expanded defclass form. If this function is called while not processing a defclass-embellisher class's meta-data (see the defclass-embellisher-class), then an error will be signaled. The appearence of forms will be in the same order as the calls to this function.

The example in Metaclasses for embellishing class definitions in implementation.htm has an example of this function being used.

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This page is new in the 10.1 release.
Created 2019.8.20.