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stream-check-eof-no-hang

Generic Function
Summary

Determines whether a stream is at end of file.

Package

stream

Signature

stream-check-eof-no-hang stream => result

Arguments

stream

An input stream.

Values

result

nil or :eof.

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.

See also

buffered-stream


LispWorks User Guide and Reference Manual - 13 Feb 2015

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