message: Remove unneeded closure
diff: @@ -59,7 +59,7 @@ impl<'a> Metadata<'a> {
  if !schema["properties"]["id"].is_null() {
  let id_type = id_renames
  .get(&schema_name)
  - .unwrap_or_else(|| &schema_name)
  + .unwrap_or(&schema_name)
  .replace('.', "_")
  .to_camel_case()
  + "Id";
  