356     def make_key(cls, args, kwds, kwd_mark = (object(),),  argument
362         if kwds:
405         def caching_wrapper(*args, **kwds):  argument
413             kwds['target'] = _implicit_target or gettg()
414             return c_setdef(key, fn(*args, **kwds))
416         def cached(*args, **kwds):  argument
421         def caching_wrapper(*args, **kwds):  argument
425             c_key  = make_key(args, kwds)
438             kwds['target'] = _implicit_target or gettg()
439             return tg_d.setdefault(c_key, fn(*args, **kwds))
441         def cached(*args, **kwds):  argument
445             return tg_d and tg_d.get(make_key(args, kwds), sentinel) != sentinel