+{-# LANGUAGE CPP
+ , NoImplicitPrelude
+ , RecordWildCards
+ , BangPatterns
+ , PatternGuards
+ , NondecreasingIndentation
+ , MagicHash
+ , ForeignFunctionInterface
+ #-}
{-# OPTIONS_GHC -fno-warn-name-shadowing #-}
{-# OPTIONS_GHC -fno-warn-unused-matches #-}
{-# OPTIONS_HADDOCK hide #-}
-{-# LANGUAGE NoImplicitPrelude, RecordWildCards, BangPatterns #-}
-----------------------------------------------------------------------------
-- |