example1_basic_usage.cpp

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#include <iostream>
#include <variant>
#include <string>

int main() {
    std::variant<int, float, std::string> v;
    
    v = 42;
    std::cout << std::get<int>(v) << std::endl;
    
    v = 3.14f;
    std::cout << std::get<float>(v) << std::endl;
    
    v = "hello";
    std::cout << std::get<std::string>(v) << std::endl;
    
    return 0;
}