add method
- T data
override
Adds event to the controller's stream.
As StreamController.add, but must not be called while an event is being added by add, addError or close.
Implementation
void add(T data);
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Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dart.dev/stable/2.13.0/dart-async/SynchronousStreamController/add.html