Fix clippy warnings

Author: senekor

src/category.rs

@@ -31,7 +31,7 @@ impl<'r> FromParam<'r> for Category {
         if is_category(&url) {
             Ok(Category { name: url })
         } else {
-            Err(format!("No category called <{}>", url))
+            Err(format!("No category called <{url}>"))
         }
     }
 }

src/i18n.rs

@@ -22,7 +22,7 @@ fn add_bundle_functions(bundle: &mut FluentBundle<&'static FluentResource>) {
                 Some(FluentValue::String(s)) => s,
                 _ => return FluentValue::None,
             };
-            FluentValue::String(format!("<a href='mailto:{0}' lang='en-US'>{0}</a>", email).into())
+            FluentValue::String(format!("<a href='mailto:{email}' lang='en-US'>{email}</a>").into())
         })
         .expect("could not add function");
 
@@ -32,7 +32,7 @@ fn add_bundle_functions(bundle: &mut FluentBundle<&'static FluentResource>) {
                 Some(FluentValue::String(s)) => s,
                 _ => return FluentValue::None,
             };
-            FluentValue::String(format!("<span lang='en-US'>{0}</span>", text).into())
+            FluentValue::String(format!("<span lang='en-US'>{text}</span>").into())
         })
         .expect("could not add function");
 }

src/main.rs

@@ -125,7 +125,7 @@ fn baseurl(lang: &str) -> String {
     if lang == "en-US" {
         String::new()
     } else {
-        format!("/{}", lang)
+        format!("/{lang}")
     }
 }
 
@@ -274,13 +274,13 @@ fn hash_css(css: &str) -> String {
 }
 
 fn compile_sass(filename: &str) -> String {
-    let scss_file = format!("./src/styles/{}.scss", filename);
+    let scss_file = format!("./src/styles/{filename}.scss");
 
     let css = compile_file(&scss_file, Options::default())
         .unwrap_or_else(|_| panic!("couldn't compile sass: {}", &scss_file));
 
     let css_sha = format!("{}_{}", filename, hash_css(&css));
-    let css_file = format!("./static/styles/{}.css", css_sha);
+    let css_file = format!("./static/styles/{css_sha}.css");
 
     fs::write(&css_file, css.into_bytes())
         .unwrap_or_else(|_| panic!("couldn't write css file: {}", &css_file));
@@ -291,7 +291,7 @@ fn compile_sass(filename: &str) -> String {
 fn concat_vendor_css(files: Vec<&str>) -> String {
     let mut concatted = String::new();
     for filestem in files {
-        let vendor_path = format!("./static/styles/{}.css", filestem);
+        let vendor_path = format!("./static/styles/{filestem}.css");
         let contents = fs::read_to_string(vendor_path).expect("couldn't read vendor css");
         concatted.push_str(&contents);
     }
@@ -307,7 +307,7 @@ fn concat_vendor_css(files: Vec<&str>) -> String {
 fn concat_app_js(files: Vec<&str>) -> String {
     let mut concatted = String::new();
     for filestem in files {
-        let vendor_path = format!("./static/scripts/{}.js", filestem);
+        let vendor_path = format!("./static/scripts/{filestem}.js");
         let contents = fs::read_to_string(vendor_path).expect("couldn't read app js");
         concatted.push_str(&contents);
     }
@@ -354,7 +354,7 @@ async fn render_governance(
             Ok(Template::render(page, context))
         }
         Err(err) => {
-            eprintln!("error while loading the governance page: {}", err);
+            eprintln!("error while loading the governance page: {err}");
             Err(Status::InternalServerError)
         }
     }
@@ -377,7 +377,7 @@ async fn render_team(
             if err.is::<teams::TeamNotFound>() {
                 Err(Status::NotFound)
             } else {
-                eprintln!("error while loading the team page: {}", err);
+                eprintln!("error while loading the team page: {err}");
                 Err(Status::InternalServerError)
             }
         }
@@ -392,7 +392,7 @@ fn render_subject(category: Category, subject: &str, lang: String) -> Result<Tem
     // To work around the problem we check whether the template exists beforehand.
     let path = Path::new("templates")
         .join(category.name())
-        .join(format!("{}.html.hbs", subject));
+        .join(format!("{subject}.html.hbs"));
     if !path.is_file() {
         return Err(Status::NotFound);
     }

src/redirect.rs

@@ -121,10 +121,10 @@ pub(crate) fn maybe_redirect(path: Path) -> Option<Redirect> {
     if let Some((_, dest)) = EXTERNAL_REDIRECTS.iter().find(|(src, _)| *src == path) {
         Some(Redirect::permanent(*dest))
     } else if let Some((_, dest)) = PAGE_REDIRECTS.iter().find(|(src, _)| *src == path) {
-        let dest = format!("/{}", dest);
+        let dest = format!("/{dest}");
         match locale {
             Locale::Present("en-US") | Locale::NotSpecified => Some(Redirect::permanent(dest)),
-            Locale::Present(locale) => Some(Redirect::permanent(format!("/{}{}", locale, dest))),
+            Locale::Present(locale) => Some(Redirect::permanent(format!("/{locale}{dest}"))),
             Locale::SpecifiedButMissing => Some(Redirect::temporary(dest)),
         }
     } else {

src/teams.rs

@@ -254,7 +254,7 @@ impl Cached for RustTeams {
         self.1
     }
     async fn fetch() -> Result<Self, Box<dyn Error + Send + Sync>> {
-        let resp: Teams = reqwest::get(format!("{}/teams.json", BASE_URL))
+        let resp: Teams = reqwest::get(format!("{BASE_URL}/teams.json"))
             .await?
             .error_for_status()?
             .json()
@@ -332,8 +332,8 @@ mod tests {
             ],
             alumni: Vec::new(),
             website_data: Some(TeamWebsite {
-                name: format!("Team {}", name),
-                description: format!("Description of {}", name),
+                name: format!("Team {name}"),
+                description: format!("Description of {name}"),
                 page: name.into(),
                 email: None,
                 repo: None,