<RefEntry id="map">
<!-- This file is generated automatically from the DSSSL source. -->
<!-- Do not edit this file! -->
<?html-filename map.html>

<RefMeta>
  <RefEntryTitle>map</RefEntryTitle>
  <RefMiscInfo Role="file">dblib.dsl</RefMiscInfo>
</RefMeta>

<RefNameDiv>
  <RefName>map</RefName>
  <RefPurpose>Implements map</RefPurpose>
</RefNameDiv>

<RefSynopsisDiv><Title>Synopsis</Title>
<Synopsis>
(map f #!rest xs)
</Synopsis>
</RefSynopsisDiv>

<RefSect1><Title>Description</Title>

<para>
Implements map</para>


</RefSect1>

<RefSect1><Title>Author</Title>

<para>
From Mulberry Tech. site (need better attribution)</para>
</RefSect1>
<RefSect1><Title>Source Code</Title>

<ProgramListing>
(define (map f #!rest xs)
  ;; Implements map
  (let ((map1 (lambda (f xs)           ; bootstrap version for unary F
		(let loop ((xs xs))
		  (if (null? xs)
		      '()
		      (cons (f (car xs))
			    (loop (cdr xs))))))))
    (cond ((null? xs)
	   '())
	  ((null? (cdr xs))
	   (map1 f (car xs)))
	  (else
	   (let loop ((xs xs))
	     (if (null? (car xs))
		 '()
		 (cons (apply f (map1 car xs))
		       (loop (map1 cdr xs)))))))))
</ProgramListing>
</RefSect1>

</RefEntry>