std::ranges::adjacent_view<V,N>::adjacent_view

#include <iostream>
#include <ranges>
#include <string>
#include <tuple>
template<class... Ts>
void print(std::tuple<Ts...> const& tuple)
{
    std::apply([&](auto&& arg, auto&&... args)
    {
        std::cout << arg;
        ((std::cout << args), ...);
    }, tuple);
    std::cout << '\n';
}
int main()
{
    const std::string v{"ABCDEF"};
    constexpr int window_size{4};
    std::cout << "v: " << v << '\n';
    auto view = std::views::adjacent<window_size>(v); // перегрузка (2)
    for (auto const& tuple : view)
        print(tuple);
}