def create_int_mfr(): return create_mfr_with_builtin(int, _BUILTIN_FCT)
def create_bool_mfr(): return create_mfr_with_builtin(bool, _BUILTIN_FCT)
def create_float_mfr(): return create_mfr_with_builtin(float, _BUILTIN_FCT)
def create_dict_mfr(): return create_mfr_with_builtin(dict, _BUILTIN_FCT)
def create_str_mfr(): return create_mfr_with_builtin(str, _BUILTIN_FCT)
def create_tuple_mfr(): return create_mfr_with_builtin(tuple, _BUILTIN_FCT)
def create_list_mfr(): return create_mfr_with_builtin(list, _BUILTIN_FCT)