loader revisited

pkg/error/generic.go

@@ -192,6 +192,11 @@ func (ge GenericError) Error() string {
 	return msg
 }
 
+// Unwrap returns the underlying error wrapped by GenericError, if any.
+func (ge GenericError) Unwrap() error {
+	return ge.err
+}
+
 func newGenericError(code int, arg ...any) error {
 	e := &GenericError{Code: code}
 	if len(arg) > 0 {
@@ -207,7 +212,7 @@ func newGenericError(code int, arg ...any) error {
 			e.subject = asString(arg[i])
 		}
 	}
-	return *e
+	return e
 }
 
 func asString(v any) string {