Replace manual expressions with map_or[_else]()

This fixes the only occurrence of `clippy::option_if_let_else` and the
only occurrence of `clippy::map_unwrap_or`

Author: jfrimmel

src/blogs.rs

@@ -140,8 +140,7 @@ fn load_recursive(base: &Path, current: &Path, blogs: &mut Vec<Blog>) -> eyre::R
                 if file_name == MANIFEST_FILE {
                     let prefix = parent
                         .strip_prefix(base)
-                        .map(|p| p.to_path_buf())
-                        .unwrap_or_else(|_| PathBuf::new());
+                        .map_or_else(|_| PathBuf::new(), Path::to_path_buf);
                     blogs.push(Blog::load(prefix, parent)?);
                 }
             }

src/posts.rs

@@ -114,25 +114,21 @@ impl Post {
         }
 
         // If they supplied team, it should look like `team-text <team-url>`
-        let (team, team_url) = match team_string {
-            Some(s) => {
-                lazy_static::lazy_static! {
-                    static ref R: Regex = Regex::new(r"(?P<name>[^<]*) <(?P<url>[^>]+)>").unwrap();
-                }
-                let Some(captures) = R.captures(&s) else {
-                    panic!(
-                        "team from path `{}` should have format `$name <$url>`",
-                        path.display()
-                    )
-                };
-                (
-                    Some(captures["name"].to_string()),
-                    Some(captures["url"].to_string()),
-                )
+        let (team, team_url) = team_string.map_or((None, None), |s| {
+            lazy_static::lazy_static! {
+                static ref R: Regex = Regex::new(r"(?P<name>[^<]*) <(?P<url>[^>]+)>").unwrap();
             }
-
-            None => (None, None),
-        };
+            let Some(captures) = R.captures(&s) else {
+                panic!(
+                    "team from path `{}` should have format `$name <$url>`",
+                    path.display()
+                )
+            };
+            (
+                Some(captures["name"].to_string()),
+                Some(captures["url"].to_string()),
+            )
+        });
 
         Ok(Self {
             filename,