comment on last line does not kill scanner

janet/scanner.janet

@@ -250,7 +250,7 @@
 (defn- add-comment [char scanner]
   (defn recur [scanner comm]
     (let [char (current-char scanner)]
-      (if (= "\n" char)
+      (if (or (= "\n" char) (at-end? scanner))
         scanner # for now, we don't do anything with comments; can be added later
         (recur (advance scanner) (buffer/push comm char)))))
   (recur scanner (buffer char)))
@@ -341,5 +341,9 @@
       (recur (-> scanner (scan-token) (next-token)))))
   (recur (new-scanner source input)))
 
-(def source `print! ("hello")`)
+(def source `
+a :b "c"
+& thing
+`)
+
 (pp ((scan source) :tokens))