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 <format>
#include <print>
#include <vector>
#include <ranges>
int main()
{
std::vector<int> coll{0, 8, 15, 47, 11, -1, 42};
// print whole collection:
std::cout << std::format("coll: {}\n", coll); // output range with format()
std::print("coll: {}\n", coll); // output range with print()
std::println("coll: {}", coll); // output range with println()
// print view with every second element:
std::println("every 2nd: {}", coll | std::views::stride(2)); // output view
}