#include <any>
#include <vector>
#include <string>
#include <iostream>
using element = std::any;
using namespace std::string_literals;
int main()
{
std::vector<element> vec_of_any;
vec_of_any.emplace_back(1);
vec_of_any.emplace_back(2.0);
vec_of_any.emplace_back(std::vector<int>(2, 5));
vec_of_any.emplace_back("Hello"s);
for (const auto& elem : vec_of_any)
{
if (elem.type() == typeid(int)) {
std::cout << std::any_cast<int>(elem) << std::endl;
}
if (elem.type() == typeid(double)) {
std::cout << std::any_cast<double>(elem) << std::endl;
}
if (elem.type() == typeid(std::vector<int>)) {
const auto& vec = std::any_cast<const std::vector<int>&>(elem);
std::cout << "[";
for(auto i = 0; i < vec.size(); ++i) {
std::cout << vec.at(i);
if (i < (vec.size()-1)) {
std:: cout << ", ";
}
}
std::cout << "]\n";
}
if (elem.type() == typeid(std::string)) {
std::cout << std::any_cast<std::string>(elem) << std::endl;
}
}
}
