namespace structural_clean {

static long boundedIncrement(long value) { return value < 100 ? value + 1 : value; }

long useHelper(long value, bool enabled) { return enabled ? boundedIncrement(value) : value; }

class Reader {
  public:
    long read(long value, long fallback) { return value > 0 ? value : fallback; }
    bool ready(unsigned value) { return value != 0; }
};

class Writer {
  public:
    double write(double value) { return value * 1.5; }
    unsigned height(unsigned value, unsigned ceiling) {
        return value < ceiling ? ceiling - value : value / 2;
    }
};

} // namespace structural_clean