Method begin

src/fl/stl/json/types.h:1163–1171

    }
    
    const_iterator begin() const FL_NOEXCEPT {
        if (is_object()) {
            auto ptr = data.ptr<const json_object>();
            if (!ptr) return const_iterator::from_iterator(json_object().begin());
            return const_iterator::from_iterator(ptr->begin());
        }
        // Use temporary empty object to avoid static initialization conflicts with Teensy
        return const_iterator::from_iterator(json_object().begin());
    }
    
    const_iterator end() const FL_NOEXCEPT {
        if (is_object()) {