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[oeasy]rust12-函数声明和调用 函数返回值 参数列表
[oeasy]rust12-函数声明和调用 函数返回值 参数列表 表达式expression
oeasy教你玩转rust编程语言入门12/75
![[oeasy]rust11-复合类型tup 数组array](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/ca33f05f066b4bce90201d36403b677a~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=fBHdtgp139TwLSfvcTnqpsR6Yng%3D)
App08:33![[oeasy]rust12-函数声明和调用 函数返回值 参数列表](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/253bd275c8d44a3997d9a40351508a95~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=R9gdd46Zi5TxsdwrquyWgW2rJG8%3D)
App09:32![[oeasy]rust13-注释 if 条件语句 条件表达式 静态变量](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/d008857ac3b6492180e194e3796b1b52~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=VlyvmDT8s1TL6vbe5OAsj%2Fv9Svs%3D)
App07:51![[oeasy]rust14 循环语句 for while loop break 递归](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/55cdf7776537428fa44760c45990397b~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=W7d2aqqBTzobeqKmnWVMnZQND6g%3D)
App14:04![[oeasy]rust15 OwnerShip Scope 作用域 所有权 heap stack 传递](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/86dd48366fcc4e04bde12c7582dda905~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=Ftkshy8IYukIfpqzwWEUcUYWv1Y%3D)
App19:38![[oeasy]rust16 borrow reference 引用 传址](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/87479e17a3844487b85307485d699d3b~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=fYdaZNmFEosfKnk0rzNKFfV49Ik%3D)
App12:50![[oeasy]rust17slices slice 片段 数组片段 字符串片段](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/e2d48cd77210441e835f366d67ca9d6c~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=hQOirqvWSBYHWlBm12jwOkDNxwo%3D)
App17:56![[oeasy]rust18 struct 结构体 成员](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/b73edbf44df544bfb11f06e24587b390~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=POmPODpif6F9zhjedoy0N7cq4lI%3D)
App07:25![[oeasy]rust19method 结构体成员方法 关联方法](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/9064e2128dcc4b75b6c4b0f7ebee8b96~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=0oFleJALrU5eAZFD7Mmq4R8e60E%3D)
App16:25![[oeasy]rust20 enum 枚举类型 复杂枚举类型 match方法](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/ff83d0516c2a494d8fa8c6213f16acf6~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=STxd7y%2FZzcBPpHJfI8pjtsccyxc%3D)
App25:19![[oeasy]rust21 Option类 Some方法](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/1919e31c95fe42cba3be73b31e5f2568~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=zqE%2BxzlsjRDbTdHF3w3cvAHtAa8%3D)
App12:52![[oeasy]rust22 match option 分支 None 默认](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/906f7f8ad6f8464e8b78b6912405a78a~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=ITg8XqM7Q39m2RDVwWvxgnZYt7Q%3D)
App07:55![[oeasy]rust23if let 条件分支语句](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/11bacfdf025f4f30b23203c76af0b7a2~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=hwg7B7YSAg%2BAa4vYI1pbLJfITp8%3D)
App06:03![[oeasy]rust24 包 use pub 模块 module](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/6994ebd2708b420f8a8ed88709c5b9a6~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=J3L73g4r0DgoDZ%2FR8hOWac7JmBU%3D)
App17:07![[oeasy]rust24 包 引入 extern crate lib toml cargo](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/c7d7c3f29a68486eadda3734f52ca943~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=VEO%2FYA3LmZ6HVAkY5yVHAnnKiHQ%3D)
App10:19![[oeasy]rust25 pub privacy 公有 私有 访问权限](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/ddc2a19403484edfafe25ec31b4deeda~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=YmyHfh5enXYyaqM9GcIYuAJlgLU%3D)
App11:39![[oeasy]rust26 use super scope 作用域 enum](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/a4459c4a867b4b6d9a2d57cf5b80941c~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=GhoR55WouP%2BQVZBPXimRkaYlArA%3D)
App07:00![[oeasy]rust27 Collection 集合 vector 向量 容器](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/5437a1f549854a74b5f10b8d72774d67~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=QthLK8aB%2BTg0abcPNP16dZII%2FQs%3D)
App25:16![[oeasy]rust28-string 遍历 utf-8 字符串存储本质](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/cf0d336a57ef447b964d75f7c2203b6d~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=cn18GUi48Kv%2Bg9UNlqxt6CqRag4%3D)
App20:41![[oeasy]rust29 hashtable 哈希表 hash 名值对](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/5b5608c4092d4726a5d0a91f54470089~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=vp7bYkw9s8sG8xLTahAFEn3Ayh8%3D)
App13:02![[oeasy]rust31 Result Error Propagating 繁殖错误 问号](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/6b5c4ca32a8e4df4ae20ad377c95eb85~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=rVtefxbdUWsg40GLmSzx5bQXuCM%3D)
App16:30![[oeasy]rust32 panic result 提示 报错 提醒](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/04e059faecff4b5f855670f3fc1e1cf3~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=TkeRgkCJ62CFRfDbgqPMZg1suIs%3D)
App09:56![[oeasy]rust33 抽象函数 duplicate 抽象成方法](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/f5b95a5acff34ab9858b3b5135cc3988~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=AQYkGh93%2BnMltrt6hCg9dZ0Jp4w%3D)
App04:02![[oeasy]rust34 模版类 模版方法 generic type trait Particial](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/3297a873a2b34996b8f5a032a46bf083~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=bHPzbiEOZWC5Eo0wJ%2F68pLYmxCY%3D)
App08:44![[oeasy]rust35 结构体 模版方法 枚举类型 模版类 模版方法](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/c7ac8a88052240e9b6fd19a5a3a1a3fa~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=7XQy1voXDvFGN4vyS8LVD2p8fjE%3D)
App11:57![[oeasy]rust36 实现接口 trait where for 模版类 模版函数特性](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/1a67a3981f5c41aeaec5a724a856cb3d~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=HH04IhIOUWI8ATf9glQ23XNsCMc%3D)
App18:15![[oeasy]rust37 lifetime 生命周期 borrow checker 空引用检查](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/40aecbdba34b4ed9a2854dc49dbac6ed~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=mq6jNeKkNIjC9siEsD317H4fips%3D)
App21:21![[oeasy]rust38 assert assert_eq 断言 测试 test should_panic](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/55e0c89fc0fd4c1b8f6d28b2efbf09cb~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=ybkyec6ik6AbZLrqaR9682Xuu0U%3D)
App20:44![[oeasy]rust39 ignore 条件测试 测试细节](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/53501abb087f458cb455420277af338e~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=R1qZpJjbZBNyqLtghDOKx%2BFXv8Q%3D)
App05:54![[oeasy]rust40 unit test 单元测试](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/f21b29c5c68740c6843bd6bafbe42039~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=amc7t18MMkJ%2FqOhMRJ2iPlTphJU%3D)
App01:54![[oeasy]rust41 integrated test 整合测试 综合测试 外部api测试](http://p26-sign.bdxiguaimg.com/tos-cn-p-0000/c6125fb042d94a39a191e32c0fe09c8b~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501192212412F2D4F0C61ED59C2F3B4&requestFrom=704&version_code=80402&x-expires=1768831962&x-signature=gvMUcOo2xX4ADtYpBETipPBFkGc%3D)
App07:08打开App观看
