xor.rb in attestor-0.4.0

- old
+ new

@@ -23,10 +23,10 @@
       #   composition.validate
       #   # => Policy::InvalidError
       #
       # @return [undefined]
       def validate
-        return if any_valid? && any_invalid?
+        return if detect(&:valid?) && detect(&:invalid?)
         super
       end
 
     end # class Xor
 