Function main

03.17-rangesProjection1/main.cpp:10–24

#include <vector>

int main()
{
  struct Book {
    std::string title;
    std::string isbn;
  };

  std::vector<Book> books{
    {"Functional Programming in C++", "978-3-20-148410-0"},
    {"Effective C++", "978-3-16-148410-0"}};

  std::ranges::sort(books, {}, &Book::title);

  for(const auto& book : books) { std::cout << book.title << '\n'; }
}