flat/flatmap1.cpp

The following code example is taken from the book
C++23 - The Complete Guide by Nicolai M. Josuttis, Leanpub, 2026
The code is licensed under a Creative Commons Attribution 4.0 International License.

---

// raw code

#include <iostream>
#include <string>
#include <flat_map>

int main()
{
  // create and initialize string/string dictionary:
  // - translating English words into German
  std::flat_map<std::string, std::string> dict {
    {"day", "Tag"},
    {"strange", "fremd"},
    {"car", "Auto"},
    {"smart", "klug"},
    {"night", "Nacht"},
    {"street", "Strasse"},
    {"sort", "sortieren"},
    {"heart", "Herz"},
    {"goal", "Ziel"},
  };

  // print elements:
  for (const auto& [key, val] : dict) {
    std::cout << key << " <-> " << val << "\n" ;
  }
}