| Class Variable | _NO_RESULT |
The result used to represent the fact that there is no result. Never ever ever use this as an actual result for a Deferred. You have been warned. |
| Class Variable | _CONTINUE |
A marker left in Deferred.callbacks to indicate a Deferred chain. Always accompanied by a Deferred instance in the args tuple pointing at the Deferred which is chained to the Deferred which has this marker. |
Deferred.callbacks to indicate a Deferred chain. Always accompanied by a Deferred instance in the args tuple pointing at the Deferred which is chained to the Deferred which has this marker.