lib/net/dns/rr/null.rb in net-dns-0.9.0 vs lib/net/dns/rr/null.rb in net-dns-0.20.0

@@ -21,14 +21,12 @@
         def get_inspect
           @null.to_s
         end
 
         def subclass_new_from_hash(args)
-          if args.key? :null
-            @null = args[:null]
-          else
-            raise ArgumentError, ":null field is mandatory but missing"
-          end
+          raise ArgumentError, ":null field is mandatory but missing" unless args.key? :null
+
+          @null = args[:null]
         end
 
         def subclass_new_from_string(str)
           @null = str.strip
         end