(use prcc) (use test) (test-begin "one-of") (define p0 ( (char #\a) (one-of "abc"))) (test (list "a" "a") (parse-string "aa" p0)) (test (list "a" "b") (parse-string "ab" p0)) (test (list "a" "c") (parse-string "ac" p0)) (test-end "one-of")