onLoading method
void
onLoading(})
Implementation
void onLoading(
Future<T> Function() body, {
T? initialData,
String? errorMessage,
MError? error,
bool useEmpty = true,
}) {
_body = body;
_initialData = initialData;
_error = errorMessage != null ? MError(message: errorMessage) : error;
_useEmpty = useEmpty;
_onLoading(body, initialData: initialData, error: _error, useEmpty: useEmpty);
}