| // Expect 1 error | |
| // Straightforward mutual recursion (not allowed) | |
| bool is_even(int n); | |
| bool is_odd (int n) { return n == 0 ? false : is_even(n - 1); } | |
| bool is_even(int n) { return n == 0 ? true : is_odd (n - 1); } | |
| /*%%* | |
| potential recursion (function call cycle) not allowed: | |
| bool is_odd(int n) | |
| bool is_even(int n) | |
| bool is_odd(int n) | |
| *%%*/ |