error.rb in sibit-0.18.5

- old
+ new

@@ -26,6 +26,9 @@
 # Copyright:: Copyright (c) 2019-2020 Yegor Bugayenko
 # License:: MIT
 class Sibit
   # The error.
   class Error < StandardError; end
+
+  # The operation is not supported.
+  class NotSupportedError < Error; end
 end