id: cpp-no-printf
valid:
  - |
    void report(int count) {
        std::cout << "count: " << count << "\n";
    }
  - |
    void log(const char* msg) {
        fprintf(stderr, "%s\n", msg);
    }
invalid:
  - |
    void report(int count) {
        printf("count: %d\n", count);
    }
  - |
    void report(int count) {
        std::printf("count: %d\n", count);
    }