From a3309e797c42dae9bccdeb17ce52fcababbaff8a Mon Sep 17 00:00:00 2001 From: Simon Marlow Date: Fri, 22 Jul 2016 02:55:04 -0700 Subject: Disable NFData instances for GHC types when GHC >= 8.2 --- haddock-api/src/Haddock/Types.hs | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/haddock-api/src/Haddock/Types.hs b/haddock-api/src/Haddock/Types.hs index 1a7a0b6f..5220e6e9 100644 --- a/haddock-api/src/Haddock/Types.hs +++ b/haddock-api/src/Haddock/Types.hs @@ -1,4 +1,4 @@ -{-# LANGUAGE DeriveDataTypeable, DeriveFunctor, DeriveFoldable, DeriveTraversable, StandaloneDeriving, TypeFamilies, RecordWildCards #-} +{-# LANGUAGE CPP, DeriveDataTypeable, DeriveFunctor, DeriveFoldable, DeriveTraversable, StandaloneDeriving, TypeFamilies, RecordWildCards #-} {-# LANGUAGE FlexibleContexts #-} {-# LANGUAGE UndecidableInstances #-} -- Note [Pass sensitive types] -- in module GHC.PlaceHolder @@ -451,10 +451,12 @@ instance (NFData a, NFData mod) DocExamples a -> a `deepseq` () DocHeader a -> a `deepseq` () - +#if __GLASGOW_HASKELL__ < 801 +-- These were added to GHC itself in 8.2.1 instance NFData Name where rnf x = seq x () instance NFData OccName where rnf x = seq x () instance NFData ModuleName where rnf x = seq x () +#endif instance NFData id => NFData (Header id) where rnf (Header a b) = a `deepseq` b `deepseq` () -- cgit v1.2.3