make-two-way-stream

make-two-way-stream Function

Syntax:

make-two-way-stream input-stream output-stream → two-way-stream

Arguments and Values:

input-stream—a stream.

output-stream—a stream.

two-way-stream—a two-way stream.

Description:

Returns a two-way stream that gets its input from input-stream and sends its output to output-stream.

Examples:

(with-output-to-string (out) 
  (with-input-from-string (in "input...") 
    (let ((two (make-two-way-stream in out))) 
      (format two "output...") 
      (setq what-is-read (read two))))) → "output..." 
what-is-read → INPUT... 

Exceptional Situations:

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

^{two-way-stream-input-stream, two-way-stream} output-stream Function

Syntax:

two-way-stream-input-stream two-way-stream → input-stream

two-way-stream-output-stream two-way-stream → output-stream

Arguments and Values:

two-way-stream—a two-way stream.

input-stream—an input stream.

output-stream—an output stream.

Description:

two-way-stream-input-stream returns the stream from which two-way-stream receives input. two-way-stream-output-stream returns the stream to which two-way-stream sends output.

^{echo-stream-input-stream, echo-stream-output} stream Function

Syntax:

echo-stream-input-stream echo-stream → input-stream

echo-stream-output-stream echo-stream → output-stream

Arguments and Values:

echo-stream—an echo stream.

input-stream—an input stream.

output-stream—an output stream.

Description:

echo-stream-input-stream returns the input stream from which echo-stream receives input. echo-stream-output-stream returns the output stream to which echo-stream sends output.

Expanded Reference: make-two-way-stream

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(make-two-way-stream )