something worked

src/errors.rs

@@ -181,7 +181,7 @@ impl From<Error> for Diagnostic<usize> {
                         Label::primary(*file_id, *offset..*offset).with_message("this is related")
                     ])
                     .with_message(format!("Internal error: {}", string)),
-            }
+            },
         }
     }
 }