* (sb-kernel:get-lisp-obj-address t)
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* (sb-kernel:get-lisp-obj-address nil)
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* (sb-kernel:get-lisp-obj-address '())
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* (sb-kernel:get-lisp-obj-address (cdr (list 1)))
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Ehhh so () isn't a value but an actual thing, using 0 for () was causing problems in my lithp as it made () disjoint from other types (making it need special handling)