small code style fixes

Author: lovasoa

src/webserver/http.rs

@@ -415,7 +415,7 @@ async fn process_sql_request(
         .sql_file_cache
         .get(app_state, &sql_path)
         .await
-        .with_context(|| format!("Unable to get SQL file {:?}", sql_path))
+        .with_context(|| format!("Unable to get SQL file {sql_path:?}"))
         .map_err(anyhow_err_to_actix)?;
     let response = render_sql(&mut req, sql_file).await?;
     Ok(req.into_response(response))
@@ -443,7 +443,7 @@ async fn serve_file(
             .file_system
             .modified_since(state, path.as_ref(), since, false)
             .await
-            .with_context(|| format!("Unable to get modification time of file {:?}", path))
+            .with_context(|| format!("Unable to get modification time of file {path:?}"))
             .map_err(anyhow_err_to_actix)?;
         if !modified {
             return Ok(HttpResponse::NotModified().finish());
@@ -453,7 +453,7 @@ async fn serve_file(
         .file_system
         .read_file(state, path.as_ref(), false)
         .await
-        .with_context(|| format!("Unable to read file {:?}", path))
+        .with_context(|| format!("Unable to read file {path:?}"))
         .map_err(anyhow_err_to_actix)
         .map(|b| {
             HttpResponse::Ok()

tests/index.rs

@@ -72,7 +72,7 @@ async fn test_files() {
             );
         } else if stem.starts_with("error_") {
             let rest = stem.strip_prefix("error_").unwrap();
-            let expected_str = rest.replace("_", " ");
+            let expected_str = rest.replace('_', " ");
             assert!(
                 lowercase_body.contains(&expected_str),
                 "{req_str}\n{body}\nexpected to contain: {expected_str}"