lib/virtus/attribute/set.rb in virtus-0.5.2 vs lib/virtus/attribute/set.rb in virtus-0.5.3

@@ -13,9 +13,10 @@
     #   post = Post.new(:tags => %w(red green blue))
     #
     class Set < Collection
       primitive       ::Set
       coercion_method :to_set
+      default         primitive.new
 
       include Collection::MemberCoercion
 
     end # class Set
   end # class Attribute