{"id":45435,"date":"2023-12-21T21:45:57","date_gmt":"2023-11-18T23:10:09","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45435-2\/"},"modified":"2024-05-04T14:43:21","modified_gmt":"2024-05-04T06:43:21","slug":"45435-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45435-2\/","title":{"rendered":""},"content":{"rendered":"

rssss \u3092 Rust 2018 \u5bfe\u5fdc\u3057\u305f\u5099\u5fd8\u3002<\/p>\n

Cargo.toml \u306b edition = “2018” \u306e\u6307\u5b9a\u3092\u8ffd\u52a0<\/h3>\n
diff --git a\/backend\/Cargo.toml b\/backend\/Cargo.toml\r\nindex 9b330a4..bf555a8 100644\r\n<\/span>--- a\/backend\/Cargo.toml\r\n<\/span>+++ b\/backend\/Cargo.toml\r\n<\/span>@@ -2,6 +2,7 @@<\/span>\r\n name = \"rssss\"\r\n version = \"0.1.0\"\r\n authors = [\"zaneli <shun.otani@gmail.com>\"]\r\n+edition = \"2018\"\r\n<\/span>\r\n [dependencies]\r\n actix = \"0.7\"\r\n<\/code><\/pre>\n
rustc \u306e\u66f4\u65b0<\/h3>\n
\u4e00\u65e6 cargo run \u3057\u3066\u307f\u308b\u3002<\/p>\n
> cargo run\r\n   Compiling rssss v0.1.0 (\/Users\/zaneli\/ws\/github.com\/zaneli-sandbox\/rssss\/backend)\r\nerror: Edition 2018 is unstable and only available for nightly builds of rustc.\r\n<\/code><\/pre>\n
\u624b\u5143\u306e rustc \u304c\u53e4\u3044\uff1f<\/p>\n
> rustc --version\r\nrustc 1.30.0 (da5f414c2 2018-10-24)\r\n<\/code><\/pre>\n
rustup \u3067 rustc \u3092\u66f4\u65b0\u3057\u3066\u307f\u308b\u3002<\/p>\n
rustup update\r\ninfo: syncing channel updates for 'stable-x86_64-apple-darwin'\r\ninfo: latest update on 2019-04-25, rust version 1.34.1 (fc50f328b 2019-04-24)\r\ninfo: downloading component 'rustc'\r\n 78.9 MiB \/  78.9 MiB (100 %)   1.9 MiB\/s ETA:   0 s\r\ninfo: downloading component 'rust-std'\r\n 51.1 MiB \/  51.1 MiB (100 %)   1.8 MiB\/s ETA:   0 s\r\ninfo: downloading component 'cargo'\r\n  3.4 MiB \/   3.4 MiB (100 %)   2.0 MiB\/s ETA:   0 s\r\ninfo: downloading component 'rust-docs'\r\n 10.2 MiB \/  10.2 MiB (100 %)   2.5 MiB\/s ETA:   0 s\r\ninfo: downloading component 'rustfmt-preview'\r\ninfo: downloading component 'rust-analysis'\r\ninfo: downloading component 'rls-preview'\r\n  5.8 MiB \/   5.8 MiB (100 %)   2.9 MiB\/s ETA:   0 s\r\ninfo: downloading component 'rust-src'\r\ninfo: removing component 'rustc'\r\ninfo: removing component 'rust-std'\r\ninfo: removing component 'cargo'\r\ninfo: removing component 'rust-docs'\r\ninfo: removing component 'rustfmt-preview'\r\ninfo: removing component 'rust-analysis'\r\ninfo: removing component 'rls-preview'\r\ninfo: removing component 'rust-src'\r\ninfo: installing component 'rustc'\r\ninfo: installing component 'rust-std'\r\ninfo: installing component 'cargo'\r\ninfo: installing component 'rust-docs'\r\ninfo: installing component 'rustfmt-preview'\r\ninfo: installing component 'rust-analysis'\r\ninfo: installing component 'rls-preview'\r\ninfo: installing component 'rust-src'\r\ninfo: checking for self-updates\r\ninfo: downloading self-update\r\n\r\n  stable-x86_64-apple-darwin updated - rustc 1.34.1 (fc50f328b 2019-04-24)\r\n<\/code><\/pre>\n
\u518d\u5ea6\u30d0\u30fc\u30b8\u30e7\u30f3\u78ba\u8a8d\u3002<\/p>\n
> rustc --version\r\nrustc 1.34.1 (fc50f328b 2019-04-24)\r\n<\/code><\/pre>\n
\u518d\u5ea6 cargo run\u3002\u5225\u306e\u30a8\u30e9\u30fc\u304c\u51fa\u308b\u4e8b\u3092\u78ba\u8a8d\u3002<\/p>\n
error: expected one of `:` or `@`, found `,`\r\n   --> src\/rss.rs:114:48\r\n    |\r\n114 |     fn parse_start_element(&mut self, OwnedName, Vec<OwnedAttribute>);\r\n    |                                       ---------^ expected one of `:` or `@` here\r\n    |                                       |\r\n    |                                       help: explicitly ignore parameter: `_: OwnedName`\r\n    |\r\n    = note: anonymous parameters are removed in the 2018 edition (see RFC 1685)\r\n\r\nerror: expected one of `:` or `@`, found `)`\r\n   --> src\/rss.rs:115:39\r\n    |\r\n115 |     fn parse_content(&mut self, String);\r\n    |                                 ------^ expected one of `:` or `@` here\r\n    |                                 |\r\n    |                                 help: explicitly ignore parameter: `_: String`\r\n    |\r\n    = note: anonymous parameters are removed in the 2018 edition (see RFC 1685)\r\n\r\nerror: expected one of `:` or `@`, found `)`\r\n   --> src\/rss.rs:116:46\r\n    |\r\n116 |     fn parse_end_element(&mut self, OwnedName);\r\n    |                                     ---------^ expected one of `:` or `@` here\r\n    |                                     |\r\n    |                                     help: explicitly ignore parameter: `_: OwnedName`\r\n    |\r\n    = note: anonymous parameters are removed in the 2018 edition (see RFC 1685)\r\n\r\nerror[E0432]: unresolved import `error`\r\n --> src\/rss.rs:2:5\r\n  |\r\n2 | use error::{Error, InvalidRssError};\r\n  |     ^^^^^ did you mean `crate::error`?\r\n  |\r\n  = note: `use` statements changed in Rust 2018; read more at <https:\/\/doc.rust-lang.org\/edition-guide\/rust-2018\/module-system\/path-clarity.html>\r\n\r\n(\u7565)\r\n\r\nerror: aborting due to 16 previous errors\r\n<\/code><\/pre>\n
\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u5bfe\u5fdc<\/h3>\n
trait \u5f15\u6570\u306e\u5909\u6570\u540d\u304c\u7701\u7565\u4e0d\u53ef\uff1f\u306b\u306a\u3063\u305f\u3088\u3046\u306a\u306e\u3067\u5bfe\u5fdc\u3002<\/p>\n
diff --git a\/backend\/src\/rss.rs b\/backend\/src\/rss.rs\r\nindex 8151425..1680886 100644\r\n<\/span>--- a\/backend\/src\/rss.rs\r\n<\/span>+++ b\/backend\/src\/rss.rs\r\n<\/span>@@ -111,9 +111,9 @@<\/span> fn parse(buf: &bytes::Bytes, parser: &mut RssParser) -> Result<Vec<Rss>, Error>\r\n }\r\n trait RssParser {\r\n-    fn parse_start_element(&mut self, OwnedName, Vec<OwnedAttribute>);\r\n-    fn parse_content(&mut self, String);\r\n-    fn parse_end_element(&mut self, OwnedName);\r\n<\/span>+    fn parse_start_element(&mut self, _: OwnedName, _: Vec<OwnedAttribute>);\r\n+    fn parse_content(&mut self, _: String);\r\n+    fn parse_end_element(&mut self, _: OwnedName);\r\n<\/span>     fn verify_rss(&self) -> Result<(), Error>;\r\n     fn get_results(&self) -> Vec<Rss>;\r\n }\r\n<\/code><\/pre>\n
\u3053\u306e\u6642\u70b9\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u304c\u901a\u308b\u4e8b\u3092\u78ba\u8a8d\u3002<\/p>\n
extern crate \u3068 #[macro_use] \u3092\u524a\u9664\u3057\u3001 use \u3092\u4f7f\u7528<\/h3>\n
main.rss \u306b\u66f8\u3044\u3066\u3044\u305f extern crate \u3092\u4e00\u5f8b\u524a\u9664\u3002
\n#[macro_use] \u3068 extern crate \u3092\u66f8\u3044\u3066\u3044\u305f\u3082\u306e\u306f\u305d\u306e\u307e\u307e\u3067\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u304c\u901a\u3089\u306a\u304f\u306a\u308b\u306e\u3067\u3001 use \u3092\u8ffd\u8a18\u3002<\/p>\n
#[macro_use]<\/span>\r\nextern<\/span> crate<\/span> log<\/span>;<\/span>\r\n#[macro_use]<\/span>\r\nextern<\/span> crate<\/span> serde_derive<\/span>;<\/span>\r\n<\/code><\/pre>\n
use<\/span> log<\/span>::<\/span>info<\/span>;<\/span>\r\nuse<\/span> serde_derive<\/span>::{<\/span>Deserialize<\/span>,<\/span> Serialize<\/span>};<\/span>\r\n<\/code><\/pre>\n
\u4ee5\u4e0a\u3002
\n\u5dee\u5206\u306f\u3053\u306e\u901a\u308a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
rssss \u3092 Rust 2018 \u5bfe\u5fdc\u3057\u305f\u5099\u5fd8\u3002 Cargo.toml \u306b edition = &#8220 […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45435","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n- Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/45435-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"rssss \u3092 Rust 2018 \u5bfe\u5fdc\u3057\u305f\u5099\u5fd8\u3002 Cargo.toml \u306b edition = &#8220 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/45435-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-11-18T23:10:09+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-05-04T06:43:21+00:00\" \/>\n<meta name=\"author\" content=\"\u79d1, \u9896\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u79d1, \u9896\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/45435-2\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/45435-2\/\",\"name\":\"- Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-11-18T23:10:09+00:00\",\"dateModified\":\"2024-05-04T06:43:21+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/8ca01ba7f7362ad4edb7da206a12f29e\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/45435-2\/\"]}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/8ca01ba7f7362ad4edb7da206a12f29e\",\"name\":\"\u79d1, \u9896\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/8a6fb3cc7ba2f69d2189ba532aec4633ea7ed75ac0af162ec367cb3abc0fb2af?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/8a6fb3cc7ba2f69d2189ba532aec4633ea7ed75ac0af162ec367cb3abc0fb2af?s=96&d=mm&r=g\",\"caption\":\"\u79d1, \u9896\"},\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/author\/keying\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/45435-2\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"- Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/zh\/blog\/45435-2\/","og_locale":"zh_CN","og_type":"article","og_description":"rssss \u3092 Rust 2018 \u5bfe\u5fdc\u3057\u305f\u5099\u5fd8\u3002 Cargo.toml \u306b edition = “ […]","og_url":"https:\/\/www.silicloud.com\/zh\/blog\/45435-2\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2023-11-18T23:10:09+00:00","article_modified_time":"2024-05-04T06:43:21+00:00","author":"\u79d1, \u9896","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u79d1, \u9896","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"3 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/zh\/blog\/45435-2\/","url":"https:\/\/www.silicloud.com\/zh\/blog\/45435-2\/","name":"- Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website"},"datePublished":"2023-11-18T23:10:09+00:00","dateModified":"2024-05-04T06:43:21+00:00","author":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/8ca01ba7f7362ad4edb7da206a12f29e"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/zh\/blog\/45435-2\/"]}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website","url":"https:\/\/www.silicloud.com\/zh\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/8ca01ba7f7362ad4edb7da206a12f29e","name":"\u79d1, \u9896","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/8a6fb3cc7ba2f69d2189ba532aec4633ea7ed75ac0af162ec367cb3abc0fb2af?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/8a6fb3cc7ba2f69d2189ba532aec4633ea7ed75ac0af162ec367cb3abc0fb2af?s=96&d=mm&r=g","caption":"\u79d1, \u9896"},"url":"https:\/\/www.silicloud.com\/zh\/blog\/author\/keying\/"},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/45435-2\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/45435","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/comments?post=45435"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/45435\/revisions"}],"predecessor-version":[{"id":98939,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/45435\/revisions\/98939"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/media?parent=45435"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/categories?post=45435"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/tags?post=45435"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}