make-broadcast-stream [Function]

make-broadcast-stream {&rest streams} => broadcast-stream

Arguments and Values::

stream---an output stream.

broadcast-stream---a broadcast stream.

Description::

Returns a broadcast stream.

Examples::

 (setq a-stream (make-string-output-stream)
        b-stream (make-string-output-stream)) =>  #<String Output Stream>
 (format (make-broadcast-stream a-stream b-stream)
          "this will go to both streams") =>  NIL
 (get-output-stream-string a-stream) =>  "this will go to both streams"
 (get-output-stream-string b-stream) =>  "this will go to both streams"

Exceptional Situations::

Should signal an error of type type-error if any stream is not an output stream.

See Also::

section broadcast-stream-streams [Function]

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