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(all (A) (-> (list-t A) (-> A bool-t) (list-t A)))
Filter elements that satisfy the predicate.
(list-filter (@list 'a 1 'b 2) int?) ;; => (@list 1 2) (list-filter (@list 0 1 -1 2) int-non-negative?) ;; => (@list 0 1 2)