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make-synonym-stream

make-synonym-stream Function

Syntax:

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:

Section 21.1 (Stream Concepts)

Expanded Reference: make-synonym-stream​

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