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 <print>
#include <vector>
#include <ranges>
int main()
{
std::vector coll{47, 11, 2, 8, 16, 10, 11};
std::println("{}", coll);
for (const auto& sub : coll | std::views::chunk_by(std::less{})) {
std::println("- process {}", sub);
sub.front() *= 10; // OK compiles and modifies elements of coll
}
std::println("{}\n", coll);
}