[Workers] Fix various Rust example formatting issues (#23650)

Author: samscott89

src/content/docs/workers/examples/basic-auth.mdx

@@ -260,21 +260,22 @@ export default {
 ```
 
 </TabItem> <TabItem label="Rust" icon="seti:rust">
+
 ```rs
 use base64::prelude::*;
 use worker::*;
 
 #[event(fetch)]
 async fn fetch(req: Request, env: Env, _ctx: Context) -> Result<Response> {
-let basic_user = "admin";
-// You will need an admin password. This should be
-// attached to your Worker as an encrypted secret.
-// Refer to https://developers.cloudflare.com/workers/configuration/secrets/
-let basic_pass = match env.secret("PASSWORD") {
-Ok(s) => s.to_string(),
-Err(_) => "password".to_string(),
-};
-let url = req.url()?;
+    let basic_user = "admin";
+    // You will need an admin password. This should be
+    // attached to your Worker as an encrypted secret.
+    // Refer to https://developers.cloudflare.com/workers/configuration/secrets/
+    let basic_pass = match env.secret("PASSWORD") {
+        Ok(s) => s.to_string(),
+        Err(_) => "password".to_string(),
+    };
+    let url = req.url()?;
 
     match url.path() {
         "/" => Response::ok("Anyone can access the homepage."),
@@ -328,10 +329,10 @@ let url = req.url()?;
         }
         _ => Response::error("Not Found.", 404),
     }
-
 }
 
-````
+```
+
 </TabItem> <TabItem label="Hono" icon="seti:typescript">
 
 ```ts
@@ -346,17 +347,17 @@ import { basicAuth } from "hono/basic-auth";
 
 // Define environment interface
 interface Env {
-  Bindings: {
+	Bindings: {
 		USERNAME: string;
-    PASSWORD: string;
-  };
+		PASSWORD: string;
+	};
 }
 
 const app = new Hono<Env>();
 
 // Public homepage - accessible to everyone
 app.get("/", (c) => {
-  return c.text("Anyone can access the homepage.");
+	return c.text("Anyone can access the homepage.");
 });
 
 // Admin route - protected with Basic Auth
@@ -365,19 +366,19 @@ app.get(
 	async (c, next) => {
 		const auth = basicAuth({
 			username: c.env.USERNAME,
-			password: c.env.PASSWORD
-		})
+			password: c.env.PASSWORD,
+		});
 
 		return await auth(c, next);
 	},
 	(c) => {
 		return c.text("🎉 You have private access!", 200, {
 			"Cache-Control": "no-store",
 		});
-	}
+	},
 );
 
 export default app;
-````
+```
 
 </TabItem> </Tabs>

src/content/docs/workers/examples/cors-header-proxy.mdx

@@ -583,67 +583,69 @@ async def on_fetch(request):
 ```
 
 </TabItem> <TabItem label="Rust" icon="seti:rust">
+
 ```rs
 use std::{borrow::Cow, collections::HashMap};
 use worker::*;
 
-fn raw*html_response(html: &str) -> Result<Response> {
-Response::from_html(html)
+fn raw_html_response(html: &str) -> Result<Response> {
+    Response::from_html(html)
 }
 async fn handle_request(req: Request, api_url: &str) -> Result<Response> {
-let url = req.url().unwrap();
-let mut api_url2 = url
-.query_pairs()
-.find(|x| x.0 == Cow::Borrowed("apiurl"))
-.unwrap()
-.1
-.to_string();
-if api_url2 == String::from("") {
-api_url2 = api_url.to_string();
-}
-let mut request = req.clone_mut()?;
-\*request.path_mut()? = api_url2.clone();
-if let url::Origin::Tuple(origin, *, _) = Url::parse(&api_url2)?.origin() {
-(\*request.headers_mut()?).set("Origin", &origin)?;
-}
-let mut response = Fetch::Request(request).send().await?.cloned()?;
-let headers = response.headers_mut();
-if let url::Origin::Tuple(origin, _, \_) = url.origin() {
-headers.set("Access-Control-Allow-Origin", &origin)?;
-headers.set("Vary", "Origin")?;
-}
+    let url = req.url().unwrap();
+    let mut api_url2 = url
+        .query_pairs()
+        .find(|x| x.0 == Cow::Borrowed("apiurl"))
+        .unwrap()
+        .1
+        .to_string();
+    if api_url2 == String::from("") {
+        api_url2 = api_url.to_string();
+    }
+    let mut request = req.clone_mut()?;
+    *request.path_mut()? = api_url2.clone();
+    if let url::Origin::Tuple(origin, _, _) = Url::parse(&api_url2)?.origin() {
+        (*request.headers_mut()?).set("Origin", &origin)?;
+    }
+    let mut response = Fetch::Request(request).send().await?.cloned()?;
+    let headers = response.headers_mut();
+    if let url::Origin::Tuple(origin, _, _) = url.origin() {
+        headers.set("Access-Control-Allow-Origin", &origin)?;
+        headers.set("Vary", "Origin")?;
+    }
 
     Ok(response)
-
 }
 
-fn handle*options(req: Request, cors_headers: &HashMap<&str, &str>) -> Result<Response> {
-let headers: Vec<*> = req.headers().keys().collect();
-if [
-"access-control-request-method",
-"access-control-request-headers",
-"origin",
-]
-.iter()
-.all(|i| headers.contains(&i.to_string()))
-{
-let mut headers = Headers::new();
-for (k, v) in cors_headers.iter() {
-headers.set(k, v)?;
-}
-return Ok(Response::empty()?.with_headers(headers));
+fn handle_options(req: Request, cors_headers: &HashMap<&str, &str>) -> Result<Response> {
+    let headers: Vec<_> = req.headers().keys().collect();
+    if [
+        "access-control-request-method",
+        "access-control-request-headers",
+        "origin",
+    ]
+    .iter()
+    .all(|i| headers.contains(&i.to_string()))
+    {
+        let mut headers = Headers::new();
+        for (k, v) in cors_headers.iter() {
+            headers.set(k, v)?;
+        }
+        return Ok(Response::empty()?.with_headers(headers));
+    }
+    Response::empty()
 }
-Response::empty()
-} #[event(fetch)]
-async fn fetch(req: Request, \_env: Env, \_ctx: Context) -> Result<Response> {
-let cors_headers = HashMap::from([
-("Access-Control-Allow-Origin", "*"),
-("Access-Control-Allow-Methods", "GET,HEAD,POST,OPTIONS"),
-("Access-Control-Max-Age", "86400"),
-]);
-let api_url = "https://examples.cloudflareworkers.com/demos/demoapi";
-let proxy_endpoint = "/corsproxy/";
-let demo_page = format!(
+
+#[event(fetch)]
+async fn fetch(req: Request, _env: Env, _ctx: Context) -> Result<Response> {
+    let cors_headers = HashMap::from([
+        ("Access-Control-Allow-Origin", "*"),
+        ("Access-Control-Allow-Methods", "GET,HEAD,POST,OPTIONS"),
+        ("Access-Control-Max-Age", "86400"),
+    ]);
+    let api_url = "https://examples.cloudflareworkers.com/demos/demoapi";
+    let proxy_endpoint = "/corsproxy/";
+    let demo_page = format!(
 r#"
 
 <!DOCTYPE html>
@@ -696,7 +698,7 @@ return response.json()
 </body>
 </html>
 "#
-);
+    );
 
     if req.url()?.path().starts_with(proxy_endpoint) {
         match req.method() {
@@ -708,7 +710,6 @@ return response.json()
     raw_html_response(&demo_page)
 
 }
-
 ```
 </TabItem> </Tabs>
-```
+

src/content/docs/workers/examples/logging-headers.mdx

@@ -59,16 +59,17 @@ async def on_fetch(request):
 ```
 
 </TabItem> <TabItem label="Rust" icon="seti:rust">
+
 ```rs
 use worker::*;
 
 #[event(fetch)]
-async fn fetch(req: HttpRequest, \_env: Env, \_ctx: Context) -> Result<Response> {
-console_log!("{:?}", req.headers());
-Response::ok("hello world")
+async fn fetch(req: HttpRequest, _env: Env, _ctx: Context) -> Result<Response> {
+    console_log!("{:?}", req.headers());
+    Response::ok("hello world")
 }
+```
 
-````
 </TabItem> <TabItem label="Hono" icon="seti:typescript">
 
 ```ts
@@ -98,7 +99,7 @@ app.get('*', (c) => {
 });
 
 export default app;
-````
+```
 
 </TabItem> </Tabs>
 

src/content/docs/workers/examples/security-headers.mdx

@@ -258,6 +258,7 @@ async def on_fetch(request):
 ```
 
 </TabItem> <TabItem label="Rust" icon="seti:rust">
+
 ```rs
 use std::collections::HashMap;
 use worker::*;
@@ -329,7 +330,8 @@ async fn fetch(req: Request, _env: Env, _ctx: Context) -> Result<Response> {
 
 }
 
-````
+```
+
 </TabItem> <TabItem label="Hono" icon="seti:typescript">
 
 ```ts