The following code example is taken from the book
C++17 - The Complete Guide by Nicolai M. Josuttis, Leanpub, 2017
The code is licensed under a Creative Commons Attribution 4.0 International License. Creative Commons License

// raw code

#include "tracknew.hpp"
#include <iostream>
#include <string>

int main()
  std::string s = "string value with 26 chars";
  auto p1 = new std::string{"an initial value with even 35 chars"};
  auto p2 = new(std::align_val_t{64}) std::string[4];
  auto p3 = new std::string[4] { "7 chars", "x", "or 11 chars",
                                 "a string value with 28 chars" };
  delete p1;
  delete[] p2;
  delete[] p3;