lib/expressive.rb in expressive-0.0.29 vs lib/expressive.rb in expressive-0.0.30

@@ -18,10 +18,10 @@
     @parser ||= ::ExpressiveParser.new
     @parser.parse(expressions)
   end
 
   def self.all_symbols
-    %w(+ - * / = set sum $sub post >= > < <= and or if date datetime get put lookup $lookup $head $tail $reverse round $round $days_ago $hours_ago $minutes_ago $append $id $hash $concat $split $sms $hval)
+    %w(+ - * / = set sum $sub post >= > < <= and or if date datetime get put lookup $lookup $head $tail $reverse round $round $days_ago $hours_ago $minutes_ago $append $id $hash $concat $split $sms $hval $index)
   end
 
   module Boolean
     def eval(scope = nil)
      'true' == text_value