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Swift 6.4 语法:5分钟快速复习

  • 2026-10-01 04:16:57
Swift 6.4 语法:5分钟快速复习

Swift 6.4 语法：5分钟快速复习

上次系统学复习swift应该是很多年前了
当时swift还是4.x吧
转眼就来到6.x了
最近写代码都是用flutter
SO swift写得少，语法都写乱了
最近各大语言的功能越来越趋同
或者说就是互相学习

马上代码都是AI写了
自己学得这些还有机会用到不
如果一个开发人员不懂代码
仅仅是让AI编写了代码
那出了bug也只能由Ai来解决
自身是没有能力解决的
这样会存在一个问题
可能AI产生了很多电子垃圾
很多重复无用的代码
等到一段时间后，程序就要崩塌了

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浙江,38分钟前,
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  1. CONNECT:[ UseTime:0.000474s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000747s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000378s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000373s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000520s ]
  6. SELECT * FROM `set` [ RunTime:0.000267s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000625s ]
  8. SELECT * FROM `article` WHERE `id` = 518259 LIMIT 1 [ RunTime:0.000396s ]
  9. UPDATE `article` SET `lasttime` = 1790805911 WHERE `id` = 518259 [ RunTime:0.001064s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000326s ]
  11. SELECT * FROM `article` WHERE `id` < 518259 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000467s ]
  12. SELECT * FROM `article` WHERE `id` > 518259 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000414s ]
  13. SELECT * FROM `article` WHERE `id` < 518259 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000531s ]
  14. SELECT * FROM `article` WHERE `id` < 518259 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000631s ]
  15. SELECT * FROM `article` WHERE `id` < 518259 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000662s ]
0.088695s