Method inverted

include/stringzilla/stringzilla.hpp:318–322

    inline sz_byteset_t const &raw() const noexcept { return bitset_; }
    inline bool contains(char_type c) const noexcept { return sz_byteset_contains(&bitset_, sz_bitcast_(sz_u8_t, c)); }
    inline basic_byteset inverted() const noexcept {
        basic_byteset result = *this;
        sz_byteset_invert(&result.bitset_);
        return result;
    }
};

using byteset = basic_byteset<char>;