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21.2.38 make-synonym-stream [Function]

make-synonym-stream symbol => synonym-stream

Arguments and Values::

symbol—a symbol that names a dynamic variable.

synonym-stream—a synonym stream.

Description::

Returns a synonym stream whose synonym stream symbol is symbol.

Examples::
      (setq a-stream (make-string-input-stream "a-stream")
             b-stream (make-string-input-stream "b-stream"))
     =>  #<String Input Stream>
      (setq s-stream (make-synonym-stream 'c-stream))
     =>  #<SYNONYM-STREAM for C-STREAM>
      (setq c-stream a-stream)
     =>  #<String Input Stream>
      (read s-stream) =>  A-STREAM
      (setq c-stream b-stream)
     =>  #<String Input Stream>
      (read s-stream) =>  B-STREAM
Exceptional Situations::

Should signal type-error if its argument is not a symbol.

See Also::

Stream Concepts