lib/raingrams/ngram.rb in raingrams-0.1.0 vs lib/raingrams/ngram.rb in raingrams-0.1.1

@@ -68,11 +68,15 @@
 
     def include?(obj)
       super(obj.to_gram)
     end
 
-    def includes?(*grams)
-      (self & grams) == grams
+    def includes_any?(*grams)
+      grams.any? { |gram| include?(gram) }
+    end
+
+    def includes_all?(*grams)
+      grams.all? { |gram| include?(gram) }
     end
 
     def flatten
       self.dup
     end