#include <string>
#include <iostream>
#include <memory>
 
 
struct Token
{
  int num;
  std::string val;
};
 
 
int main()
{
  Token t1{0, "myval 1"};
  Token t2;
  t2.val = "myval 2";
  auto t3 = std::unique_ptr<Token>(new Token());
  t3->val = "myval 3";
  auto t4 = std::make_shared<Token>();
  t4->val = "myval 4";
  Token* t5 = new Token();
  t5->val = "myval 5";
  std::cout << t1.val << "," << t2.val << "," << t3->val << "," << t4->val << "," << t5->val << "\n";
  delete t5;
}

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