#define variant_CONFIG_SELECT_VARIANT 1
#include <variant>
#include "nonstd/variant.hpp"
#include <string>


struct tag_t {};

struct myvisitor {
  const std::string& operator()(const int&) const { throw std::exception(); }
  const std::string& operator()(const tag_t&) const { throw std::exception(); }
  const std::string& operator()(const std::string& s) const { return s; }
};

void test_std() {
   std::variant<int, tag_t, std::string> v("hello");
   std::visit(myvisitor(), v);
}

void test_nonstd() {
   nonstd::variant<int, tag_t, std::string> v("hello");
   nonstd::visit(myvisitor(), v);
}

int main() {
   test_std();
   test_nonstd();
}