python singleton 4种单例
摘要:
``` def singleton(cls, *args, **kwargs): instances = {} def inner(cls, *args, **kwargs): if cls not in instances: instances[cls] = cls(*args, **kwargs) return instances[cls] return inner @singleton cl 阅读全文
posted @ 2019-08-09 20:36 jwang106 阅读(197) 评论(0) 推荐(0) 编辑