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• Get-option

Get-option-entry

Returns the first occurrence of an option entry for option in l.

Definitions and Theorems

Function: get-option-entry

(defun get-option-entry (option l)
  (declare (xargs :guard (and (keywordp option)
                              (keyword-option-listp l))))
  (cond ((atom l) 'nil)
        (((lambda (x)
            (or (eq option x)
                (and (consp x) (eq option (car x)))))
          (car l))
         ((lambda (x) x) (car l)))
        (t (get-option-entry option (cdr l)))))