|
ANSI Common Lisp 21 Streams 21.2 Dictionary of Streams
21.2.42 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.
- Allegro CL Implementation Details:
-
None.
|