From 5bbae8b9bc17d2166c7e03d5f42f2b12fadf70b7 Mon Sep 17 00:00:00 2001
From: Simon Peyton Jones <simonpj@microsoft.com>
Date: Fri, 1 May 2015 09:36:47 +0100
Subject: Track change in API of TyCon

---
 haddock-api/src/Haddock/Convert.hs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'haddock-api/src/Haddock')

diff --git a/haddock-api/src/Haddock/Convert.hs b/haddock-api/src/Haddock/Convert.hs
index 83173222..ce1ef8b6 100644
--- a/haddock-api/src/Haddock/Convert.hs
+++ b/haddock-api/src/Haddock/Convert.hs
@@ -338,8 +338,9 @@ synifyType :: SynifyTypeState -> Type -> LHsType Name
 synifyType _ (TyVarTy tv) = noLoc $ HsTyVar (getName tv)
 synifyType _ (TyConApp tc tys)
   -- Use non-prefix tuple syntax where possible, because it looks nicer.
-  | isTupleTyCon tc, tyConArity tc == length tys =
-     noLoc $ HsTupleTy (case tupleTyConSort tc of
+  | Just sort <- tyConTuple_maybe tc
+  , tyConArity tc == length tys
+  = noLoc $ HsTupleTy (case sort of
                           BoxedTuple      -> HsBoxedTuple
                           ConstraintTuple -> HsConstraintTuple
                           UnboxedTuple    -> HsUnboxedTuple)
-- 
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