{"id":22014125,"url":"https://github.com/laqudee/use-derive-macro","last_synced_at":"2025-03-23T08:27:08.802Z","repository":{"id":191369503,"uuid":"684494599","full_name":"laqudee/use-derive-macro","owner":"laqudee","description":null,"archived":false,"fork":false,"pushed_at":"2023-08-29T09:22:01.000Z","size":7,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-01-28T15:18:53.297Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":"Rust","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/laqudee.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null}},"created_at":"2023-08-29T08:45:02.000Z","updated_at":"2023-08-29T08:47:02.000Z","dependencies_parsed_at":null,"dependency_job_id":"b1ac8afd-12e5-4af7-b278-37070455cbae","html_url":"https://github.com/laqudee/use-derive-macro","commit_stats":null,"previous_names":["laqudee/use-derive-macro"],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/laqudee%2Fuse-derive-macro","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/laqudee%2Fuse-derive-macro/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/laqudee%2Fuse-derive-macro/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/laqudee%2Fuse-derive-macro/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/laqudee","download_url":"https://codeload.github.com/laqudee/use-derive-macro/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":245075319,"owners_count":20556907,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2024-11-30T03:26:25.318Z","updated_at":"2025-03-23T08:27:08.770Z","avatar_url":"https://github.com/laqudee.png","language":"Rust","funding_links":[],"categories":[],"sub_categories":[],"readme":"# use-derive-macro\n\n- 声明宏\n    - macro_rules!定义\n    \n    ```rust\n    // 定义一个声明宏my_vec\n    macro_rules! my_vec {\n    \t( $( $x:expr ), * ) =\u003e {\n    \t\t{\n    \t\t\tlet mut temp_vec = Vec:new();\n    \t\t\t$(\n    \t\t\t\ttemp_vec.push($x);\n    \t\t\t)*\n    \t\t\ttemp_vec\n    \t\t}\n    \t};\n    }\n    \n    fn main() {\n        let v = my_vec![1, 2, 3];  // 使用声明宏 my_vec！\n        println!(\"v: = {:?}\", v);\n    }\n    ```\n    \n- 过程宏\n    - 接收Rust代码作为输入，在这些代码上进行操作，然后产生另一些代码作为输出\n    - 声明宏则是匹配对应模式然后以另一部分代码替换当前代码\n- 过程宏分类：\n    - **自定义derive宏**，在结构体、enum等类型上通过#[derive()]指定derive属性，添加代码；\n    - **类属性宏**，定义可用于任意项的自定义属性\n    - **类函数宏**，看起来像函数但是作用于作为参数传递的Token\n- 使用自定义derive宏涉及到三部分代码：\n    - 要生成的目标代码\n    - 为类型生成目标代码的代码\n    - 在类型上标注的#[derive(xx属性)]\n \n- [notion 宏笔记](https://www.notion.so/Learn-Rust-Easy-chapter3-3-22-3-23-f44427273f6c4b9fa16aaef3f4223f6f?pvs=4)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flaqudee%2Fuse-derive-macro","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Flaqudee%2Fuse-derive-macro","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flaqudee%2Fuse-derive-macro/lists"}