hamber
2020-01-29
t.0 和 t.1 可以改成 t.key 和 t.value
九三
2019-12-02
老师，字典遍历打印出来的每次顺序不一样， 不像数组是顺序打印， 字典不也是map的kv形式吗？oc的字典是顺序打印的
作者回复: 对，顺序是不一样的。 看下set和dictionary底层探秘的那两节课，他们底层数据结构是共用的
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