make-broadcast-stream - ANSI Common Lisp

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make-broadcast-stream (Function)

Syntax:

— 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 stream is not an output stream.

See Also:

broadcast-stream-streams