A generic function that determines if a stream has been closed.
common-lisp
open-stream-p stream => result
stream⇩ |
A stream. |
result |
A generalized boolean. |
The generic function open-stream-p
implements the standard function. There is a method with stream specialized on fundamental-stream that returns t
if close has not been called on the stream.
open-stream-p in the Common Lisp HyperSpec
close
fundamental-stream
LispWorks® User Guide and Reference Manual - 01 Dec 2021 19:30:30