From 54468d1e60cb10093120137766cfc9dd91671c98 Mon Sep 17 00:00:00 2001
From: Sylvain Henry <sylvain@haskus.fr>
Date: Wed, 12 Aug 2020 10:56:32 +0200
Subject: Remove Ord FastString instance

---
 haddock-api/src/Haddock/Interface/Specialize.hs | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

(limited to 'haddock-api/src/Haddock/Interface/Specialize.hs')

diff --git a/haddock-api/src/Haddock/Interface/Specialize.hs b/haddock-api/src/Haddock/Interface/Specialize.hs
index 66627c15..28806f04 100644
--- a/haddock-api/src/Haddock/Interface/Specialize.hs
+++ b/haddock-api/src/Haddock/Interface/Specialize.hs
@@ -178,19 +178,25 @@ parseTupleArity _ = Nothing
 -- not converted to 'String' or alike to avoid new allocations. Additionally,
 -- since it is stored mostly in 'Set', fast comparison of 'FastString' is also
 -- quite nice.
-type NameRep = FastString
+newtype NameRep
+   = NameRep FastString
+   deriving (Eq)
+
+instance Ord NameRep where
+   compare (NameRep fs1) (NameRep fs2) = uniqCompareFS fs1 fs2
+
 
 getNameRep :: NamedThing name => name -> NameRep
-getNameRep = getOccFS
+getNameRep = NameRep . getOccFS
 
 nameRepString :: NameRep -> String
-nameRepString = unpackFS
+nameRepString (NameRep fs) = unpackFS fs
 
 stringNameRep :: String -> NameRep
-stringNameRep = mkFastString
+stringNameRep = NameRep . mkFastString
 
 setInternalNameRep :: SetName name => NameRep -> name -> name
-setInternalNameRep = setInternalOccName . mkVarOccFS
+setInternalNameRep (NameRep fs) = setInternalOccName (mkVarOccFS fs)
 
 setInternalOccName :: SetName name => OccName -> name -> name
 setInternalOccName occ name =
-- 
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