NewDispatcher method will return a dispatcher object.

NewTaskQueue will create a new taskqueue of buffered job channel.

NewWorker method will create a worker object and return it.

Dispatcher struct contains the necessary data to spawn the workers and start each worker, it contains a worker pool channel of fixed size ie buffered.

Task struct is just a wrapper for sync.WaitGroup.

TaskQueue should be used when you want to limit the number of tasks you want to process in background.

Worker struct holds the information regarding the worker.

Job interface.