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 <string>
#include <list>
#include <ranges>
int main()
{
std::list coll{1, 2, 3, 4};
// initialize views:
auto v1 = coll | std::views::slide(3);
auto v2 = coll | std::views::slide(4);
// apply views:
std::println("coll: {} =>", coll);
std::println(" slide(3): {}", v1);
std::println(" slide(4): {}\n", v2);
// modify underlying range:
coll.push_back(5);
// apply views again:
std::println("modified: {} =>", coll);
std::println(" slide(3): {}", v1);
std::println(" slide(4): {}\n", v2);
// create new views and apply them:
auto coll2 = coll;
auto v3 = coll | std::views::slide(3);
auto v4 = coll | std::views::slide(4);
std::println("new views: {} =>", coll);
std::println(" slide(3): {}", v3);
std::println(" slide(4): {}\n", v4);
}