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 <ranges>
int main()
{
for (const auto& elem : std::views::repeat("hello", 4)) {
std::cout << elem << ' '; // prints: hello hello hello hello
}
std::cout << '\n';
for (int i : std::views::repeat(42)) {
std::cout << i << ' '; // prints: 42 42 42 ... (unlimited)
}
std::cout << '\n';
}