# wx.lib.pubsub.core.topicutils.WeakNone¶

Pretend to be a weak reference to nothing. Used by ArgsInfos to refer to parent when None so no if-else blocks needed.

## Class Hierarchy¶

Inheritance diagram for class WeakNone:

## Class API¶

class WeakNone

Pretend to be a weak reference to nothing. Used by ArgsInfos to refer to parent when None so no if-else blocks needed.