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stream-check-eof-no-hang

Description

The generic function stream-check-eof-no-hang determines if the data source of the stream is at end of file, without hanging.

stream should be an instance of a subclass of buffered-stream.

result is :eof if stream is at end of file and nil otherwise.

There is a built-in method specialized on buffered-stream which returns :eof in all cases.


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