The following code example is taken from the book
C++20 - The Complete Guide
by Nicolai M. Josuttis,
Leanpub, 2021
The code is licensed under a
Creative Commons Attribution 4.0 International License.
// raw code
#include <iostream>
#include <string>
#include <sstream>
#include <ranges>
void print(std::ranges::input_range auto&& coll)
{
for (const auto& elem : coll) {
std::cout << elem << " ";
}
std::cout << '\n';
}
int main()
{
std::string s{"2 4 6 8 Motorway 1977 by Tom Robinson"};
std::istringstream mystream1{s};
std::ranges::istream_view<std::string> vs{mystream1};
print(vs);
std::istringstream mystream2{s};
auto vi = std::views::istream<int>(mystream2);
print(vi);
}