lang/structbind2.cpp

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.

---

// raw code

#include "structbind2.hpp"
#include <iostream>

int main()
{
  Customer c{"Tim", "Starr", 42};
  auto [f, l, v] = c;
  std::cout << "f/l/v:    " << f << ' ' << l << ' ' << v << '\n';

  // modify structured bindings via references:
  auto&& [f2, l2, v2] = c;
  std::string s{std::move(f2)};
  f2 = "Ringo";
  v2 += 10;
  std::cout << "f2/l2/v2: " << f2 << ' ' << l2 << ' ' << v2 << '\n';
  std::cout << "c:        " << c.firstname() << ' '
            << c.lastname() << ' ' << c.value() << '\n';
  std::cout << "s:        " << s << '\n';
}