#include <Arduino.h>

#include <variant>

using Setting = std::variant<int, String>;

void testSetting(const String& name, Setting& value) {
    Serial.print(name);
    Serial.print(": ");

    bool isInt = std::holds_alternative<int>(value);
    if (isInt) Serial.println(std::get<int>(value));

    bool isString = std::holds_alternative<String>(value);
    if (isString) Serial.println(std::get<String>(value));
}


void setup() {
    Serial.begin(115200);
    Setting s;

    s = "Arthur Dent";
    testSetting("Name", s);
    s = 42;
    testSetting("Answer to life, universe and everything", s);
}

void loop() {
}