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 <string>
#include <string_view>
#include <print>
#include <vector>
#include <generator>
std::generator<std::string_view, std::string> genStringViews(auto& coll)
{
for (std::string_view sv : coll) {
co_yield sv;
}
}
int main()
{
std::vector<std::string> vec{"tic", "tac", "toe"};
for (auto&& s : genStringViews(vec)) {
static_assert(std::same_as<decltype(s), std::string_view&&>);
std::println(" main(): s: {}", s);
}
}