Do we need to drain a buffered channel after closing it?

I have been working with buffered channels. I have stumbled upon a scenario where buffered channel will be closed and the receiver of the channel terminates before consuming all the elements in the buffer. So my question is will there be any issue regarding Garbage Collection of channel which eventually leads to memory or resource leaks because of the left out items in the buffer? or any other concerns that I must be aware of?

The whole process should be ended in the consumer, when it gets all the data from the producer. So maybe you can add a “signal” channel to let consumer know that the producer is done with its work.

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Thank you, This helps