hash_proxy.rb in mongoo-0.5.5

- old
+ new

@@ -7,9 +7,10 @@
         @hash  = hash
         @klass = klass
       end
 
       def build(hash, k=nil)
+        return nil if hash.nil?
         @klass.new(@doc, hash, k)
       end
 
       def raw
         @hash
\ No newline at end of file