-(define (list-words-as-string words)
- "A little utility for listing a bunch of words in an English-style list"
- ;; TODO: This could be made faster by traversing the O(n)
- ;; list once, not twice
- (let ((word-length (length words)))
- (cond
- ((eqv? word-length 0) "")
- ((eqv? word-length 1) (car words))
- (else
- ;; TODO: and this is NOT efficient
- (string-append
- (string-join
- (drop-right words 1)
- ", ")
- " and "
- (last words))))))
-