Use simple comma-join when listing items in a room.

diff --git a/mudsync/room.scm b/mudsync/room.scm
index 8dc1d847fa6637d654eb4e729a62486382e9c00e..877e2fa564589cff7a2ae5bf4353f618b1a82bc6 100644 (file)
--- a/mudsync/room.scm
+++ b/mudsync/room.scm
@@ -134,23 +134,6 @@
 
 ;;; look commands
 
-(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))))))
-
 (define (room-player-looks-around room player-id)
   "Handle looking around the room"
   ;; Get the room text
@@ -180,7 +163,8 @@
     (if (eq? occupant-names-filtered '())
         #f
         (format #f "You see here: ~a.\n"
-                (list-words-as-string occupant-names-filtered))))
+                (string-join occupant-names-filtered
+                             ", "))))
 
   (define final-text
     (if occupant-names-string