include rt; include run; include icon; fn main() { let q = run.tokens("if (1) { return 7; } else { return 9; }"); let pattern = run.tokens("if ($expr:condition) { $stmt:yes } else { $stmt:no }"); let replacement = run.tokens("if ($condition) { $no } else { $yes }"); let edited = icon.rewrite(q, pattern, replacement); rt.put_n(run.eval(edited)); rt.put_c(' '); rt.put_n(run.eval(q)); rt.put_c(10); return 0; }