recursive_equal  3842 array.c            return rb_exec_recursive_paired(recursive_equal, ary1, ary2, ary2);
recursive_equal   171 range.c            return rb_exec_recursive_paired(recursive_equal, range, obj, obj);
recursive_equal  1045 struct.c           return rb_exec_recursive_paired(recursive_equal, s, s2, s2);