Add function and prefer .iter()

src/db/errors.rs

@@ -1,5 +1,5 @@
-use actix_web::HttpResponse;
 use actix_web::http::StatusCode;
+use actix_web::HttpResponse;
 use serde::ser::SerializeStruct;
 use serde::{Serialize, Serializer};
 
@@ -18,7 +18,7 @@ impl DatabaseError {
         match self {
             DatabaseError::NotFound => StatusCode::NOT_FOUND,
             DatabaseError::Protected => StatusCode::FORBIDDEN,
-            _ => StatusCode::INTERNAL_SERVER_ERROR
+            _ => StatusCode::INTERNAL_SERVER_ERROR,
         }
     }
 }