Support for Networking TS about act HOT 1 OPEN

template<class Coro, class... T>
auto cont(Coro& coro, T&... src)
{
    return [&, coro = std::move(coro)](T... dst) mutable
    {
        bool _[] = {true, (src = std::move(dst), true)...};
        coro();
    };
}

std::error_code ec;
std::size_t len;
CO2_SUSPEND([&](auto& coro)
{
    sock.async_read_some(buf, cont(coro, ec, len))
});

std::error_code ec;
std::size_t len;
co_await suspend([&](auto& coro)
{
    sock.async_read_some(buf, cont(coro, ec, len))
});