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Modifying constructor for statement-decrement structures.
(change-statement-decrement x
[:mapping <mapping>]
[:index <index>]
[:amount <amount>])
This is an often useful alternative to make-statement-decrement.
We construct a new statement-decrement structure that is a copy of
This is an ordinary
Macro:
(defmacro change-statement-decrement (x &rest args) (std::change-aggregate 'statement-decrement x args '((:mapping . statement-decrement->mapping) (:index . statement-decrement->index) (:amount . statement-decrement->amount)) 'change-statement-decrement 'nil))