2021 idioms

src/config.rs

@@ -417,7 +417,7 @@ mod read_config {
       Err(BunBunError::ConfigTooLarge(size))
         if size as usize == size_to_write => {}
       Err(BunBunError::ConfigTooLarge(size)) => {
-        panic!("Mismatched size: {} != {}", size, size_to_write)
+        panic!("Mismatched size: {size} != {size_to_write}")
       }
       res => panic!("Wrong result, got {res:#?}"),
     }

src/error.rs

@@ -25,7 +25,7 @@ impl fmt::Display for BunBunError {
       Self::Parse(e) => e.fmt(f),
       Self::Watch(e) => e.fmt(f),
       Self::LoggerInit(e) => e.fmt(f),
-      Self::CustomProgram(msg) => write!(f, "{}", msg),
+      Self::CustomProgram(msg) => msg.fmt(f),
       Self::NoValidConfigPath => write!(f, "No valid config path was found!"),
       Self::InvalidConfigPath(path, reason) => {
         write!(f, "Failed to access {path:?}: {reason}")

src/routes.rs

@@ -123,7 +123,7 @@ pub async fn hop(
           .status(StatusCode::OK)
           .body(boxed(Full::new(Bytes::from(body)))),
         Err(e) => {
-          error!("Failed to redirect user for {}: {}", path, e);
+          error!("Failed to redirect user for {path}: {e}");
           Response::builder()
             .status(StatusCode::INTERNAL_SERVER_ERROR)
             .body(boxed(Full::from("Something went wrong :(\n")))
@@ -173,7 +173,7 @@ fn resolve_hop<'a>(
     let args = if args.is_empty() { &[] } else { &args[1..] }.join(" ");
     let arg_count = arg_count - 1;
     if check_route(route, arg_count) {
-      debug!("Resolved {} with args {}", route, args);
+      debug!("Resolved {route} with args {args}");
       return RouteResolution::Resolved { route, args };
     }
   }
@@ -183,7 +183,7 @@ fn resolve_hop<'a>(
     if let Some(route) = routes.get(route) {
       if check_route(route, arg_count) {
         let args = args.join(" ");
-        debug!("Using default route {} with args {}", route, args);
+        debug!("Using default route {route} with args {args}");
         return RouteResolution::Resolved { route, args };
       }
     }