Method utf8_count

include/stringzilla/stringzilla.hpp:2336–2336

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

     *  @return Number of UTF-8 codepoints.
     */
    size_type utf8_count() const noexcept { return sz_utf8_count(start_, length_); }

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