https://blog.youkuaiyun.com/ocUi2Sj9Nzh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163312387https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163312387ocUi2Sj9NWed, 29 Jul 2026 20:07:20 +0800https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163312361https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163312361ocUi2Sj9NWed, 29 Jul 2026 20:05:03 +0800https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163273222https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163273222ocUi2Sj9NTue, 28 Jul 2026 14:13:09 +0800https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163242920https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163242920ocUi2Sj9NMon, 27 Jul 2026 14:29:00 +0800https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163197620https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163197620ocUi2Sj9NSat, 25 Jul 2026 20:04:42 +0800https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163197602https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163197602ocUi2Sj9NSat, 25 Jul 2026 20:03:34 +0800https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163194160https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163194160ocUi2Sj9NSat, 25 Jul 2026 15:09:16 +0800https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163194138https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163194138ocUi2Sj9NSat, 25 Jul 2026 15:07:50 +0800https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163165834https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163165834ocUi2Sj9NFri, 24 Jul 2026 16:37:33 +0800https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163165774https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163165774ocUi2Sj9NFri, 24 Jul 2026 16:35:12 +0800https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163134866https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163134866ocUi2Sj9NThu, 23 Jul 2026 14:52:26 +0800https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163134837https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163134837ocUi2Sj9NThu, 23 Jul 2026 14:51:22 +0800https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163106031https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163106031ocUi2Sj9NWed, 22 Jul 2026 14:32:06 +0800https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163105984https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163105984ocUi2Sj9NWed, 22 Jul 2026 14:31:03 +0800https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163077371https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163077371ocUi2Sj9NTue, 21 Jul 2026 14:30:32 +0800, 这个代表我们从外部传递进来一个生命周期 'a, 参数 a 和 b 的生命周期是这个 'a. 所以, 在这个函数中, 参数 a 和参数 b 的生命周期是一样的.而两个不同的生命周期, 在 rustc 的眼中, 它们的类型其实是不一样的. 也就是说, &'a str 和 &'b str 是两个不同的类型.所以, 我们可以看到, 若 T 为引用类型, 纵然 &'a T 的生命周期 'a 被协变了, 但是 T 是不能变成比它更小的生命周期的.生命周期到底是什么?]]>https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163077352https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163077352ocUi2Sj9NTue, 21 Jul 2026 14:29:49 +0800https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163055116https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163055116ocUi2Sj9NMon, 20 Jul 2026 21:43:10 +0800https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163055103https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163055103ocUi2Sj9NMon, 20 Jul 2026 21:42:32 +0800https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163020830https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163020830ocUi2Sj9NSun, 19 Jul 2026 15:30:08 +0800https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163020815https://blog.youkuaiyun.com/ocUi2Sj9N/article/details/163020815ocUi2Sj9NSun, 19 Jul 2026 15:29:21 +0800