@property
    def last_buffer_search(self):
        return self.settings.window['_vintageous_last_buffer_search'] or ''
Change the content of C{key} only if the C{cas} value matches the
dataset/ETHPy150Open guillermooo/Vintageous/state.py/State.last_buffer_search--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/protocols/memcache.py/MemCacheProtocol.checkAndSet