Function encoded

include/boost/parser/detail/text/transcode_iterator.hpp:708–712

    template<typename Iter>
    constexpr detail::enable_utf8_cp_t<Iter, bool> encoded(
        Iter first, Iter last)
    {
        return v1::find_invalid_encoding(first, last) == last;
    }

    template<typename Iter>
    constexpr detail::enable_utf16_cp_t<Iter, bool> encoded(