@@ -311,6 +311,7 @@ import GHC.Exts (Constraint)
311-- First, this is a piece of boilerplate that should be in place before you
311-- First, this is a piece of boilerplate that should be in place before you
312-- try the examples:
312-- try the examples:
314+-- > {-# LANGUAGE DeriveGeneric #-}
314-- > {-# LANGUAGE OverloadedStrings #-}
315-- > {-# LANGUAGE OverloadedStrings #-}
316-- > module Main (main) where
317-- > module Main (main) where