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kotlinlang

Hi, is there a way to cancel/close a `ReceiveChannel` without clearing its buffer? I'd like to stop an underlying items generation, and get what was processed so far as a list. I used `cancel()` in the past, but it seems it now clears the buffer, and I'm looking for an alternative.

`cancel` - clears. It is used by _receiver_ to indicate that it does not plan to receive anything anymore.
`close` - dose not clear. It is used by _sender_ to indicate that it does not plan to send anymore.

It makes it a bit hard to receive elements only for a time duration, but I could solve my problem with an `async` block calling `toList()`, then cancelling before awaiting the result of the `async` block. Thank you!