lib/dentaku/token.rb in dentaku-2.0.11 vs lib/dentaku/token.rb in dentaku-3.0.0

@@ -14,9 +14,13 @@
 
     def length
       raw_value.to_s.length
     end
 
+    def empty?
+      length.zero?
+    end
+
     def grouping?
       is?(:grouping)
     end
 
     def is?(c)