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  ANSI Common Lisp   21 Streams   21.2 Dictionary of Streams

21.2.41 make-broadcast-stream Function

Syntax:
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:
broadcast-stream-streams

Allegro CL Implementation Details:
None.

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