Question: The pattern looks l i k e ((?if code) . r e s t ) . (and (progv (mapcar #'car bindings) (mapcar #'cdr bindings)
The pattern looks l i k e ((?if code) . r e s t ) . "
(and (progv (mapcar #'car bindings)
(mapcar #'cdr bindings)
(eval (second (fi r s t pattern) 1)
(pat-match (rest pattern) input bindings)))
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