Solution: Proxy (Rounding Thermometer)

Rounding Sensor (Proxy) Implementation

/trainings/material/soup/cxx/cxx-code/design-patterns-proxy/sensors/sensor-round.h

#pragma once

#include "sensor.h"

#include <cmath>


class RoundingSensor : public Sensor
{
public:
    RoundingSensor(Sensor* sensor) : _sensor(sensor) {}

    virtual double get_temperature()
    {
        double value = _sensor->get_temperature();
        return std::round(value);
    }

private:
    Sensor* _sensor;
};