Formatting

src/main.rs

 async fn read_all_posts() -> Result<Vec<Post>, Error> {
     let path = match get_posts_directory() {
         Ok(p) => Ok(p),
-        Err(_) => Err(Error::new(ErrorKind::Other, "POSTS_DIR variable is not set"))
+        Err(_) => Err(Error::new(
+            ErrorKind::Other,
+            "POSTS_DIR variable is not set",
+        )),
     }?;
     let mut posts: Vec<Post> = vec![];
 
     let files = match read_dir(path) {
         Ok(f) => Ok(f),
-        Err(_) => Err(Error::new(ErrorKind::Other, "Posts directory does not exist"))
+        Err(_) => Err(Error::new(
+            ErrorKind::Other,
+            "Posts directory does not exist",
+        )),
     }?;
 
     for file in files {
         if let Some("json") = file.path().extension().and_then(OsStr::to_str) {
             let contents = match read_to_string(file.path()).await {
                 Ok(c) => Ok(c),
-                Err(_) => Err(Error::new(ErrorKind::Other, format!("Error reading post {:?}", file.path())))
+                Err(_) => Err(Error::new(
+                    ErrorKind::Other,
+                    format!("Error reading post {:?}", file.path()),
+                )),
             }?;
             let mut post: Post = match serde_json::from_str(&contents) {
                 Ok(p) => Ok(p),
-                Err(_) => Err(Error::new(ErrorKind::Other, format!("Error deserializing post")))
+                Err(_) => Err(Error::new(
+                    ErrorKind::Other,
+                    format!("Error deserializing post"),
+                )),
             }?;
             post.body = post.body.replace("\n", "<br>");
             posts.push(post);
                 Ok(tide::Redirect::new("/"))
             } else {
                 req.session_mut().remove("logged_in");
-                req.session_mut().insert("flash_error", "Invalid credentials")?;
+                req.session_mut()
+                    .insert("flash_error", "Invalid credentials")?;
                 Ok(tide::Redirect::new("/login"))
             }
         });
 
-    app.at("/logout").get(|mut req: tide::Request<()>| async move {
-        req.session_mut().remove("logged_in");
-        req.session_mut().insert("logged_in", false)?;
-        Ok(tide::Redirect::new("/"))
-    });
+    app.at("/logout")
+        .get(|mut req: tide::Request<()>| async move {
+            req.session_mut().remove("logged_in");
+            req.session_mut().insert("logged_in", false)?;
+            Ok(tide::Redirect::new("/"))
+        });
 
     app.listen("127.0.0.1:8080").await?;