Discover what StreamController is and how BLoC uses them in its architecture.

The StreamController is a type of stream that allows developers to control the flow of data within a stream. They allow pausing and resuming the flow of data, as well as control the flow of data by adding values to the stream. This level of control is often necessary when dealing with asynchronous data.

How to use StreamController

Using StreamController is relatively straightforward. The following example demonstrates how to create a StreamController and add values to it:

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