Method utf8_count

include/stringzilla/stringzilla.hpp:4179–4184

* @brief Count UTF-8 characters in the string (not bytes). * @return The number of UTF-8 codepoints. */

     *  @return The number of UTF-8 codepoints.
     */
    size_type utf8_count() const noexcept {
        sz_ptr_t start;
        sz_size_t length;
        sz_string_range(&string_, &start, &length);
        return sz_utf8_count(start, length);
    }

    /**
     *  @brief Find the byte offset of the nth UTF-8 character.