[commit: template-haskell] master: The unit tuple is defined in a different module to other tuples (oddly) (0923cdc)

[Simon Peyton Jones]

Repository : ssh://darcs.haskell.org//srv/darcs/packages/template-haskell

On branch  : master

http://hackage.haskell.org/trac/ghc/changeset/0923cdc6ba600e67987f88c67ca80bf2d7a05400

>---------------------------------------------------------------

commit 0923cdc6ba600e67987f88c67ca80bf2d7a05400
Author: Simon Peyton Jones <simonpj at microsoft.com>
Date:   Wed Aug 17 07:58:36 2011 +0100

    The unit tuple is defined in a different module to other tuples (oddly)
    
    Fixes Trac #5409

>---------------------------------------------------------------

 Language/Haskell/TH/Syntax.hs |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/Language/Haskell/TH/Syntax.hs b/Language/Haskell/TH/Syntax.hs
index 18f6029..31e1300 100644
--- a/Language/Haskell/TH/Syntax.hs
+++ b/Language/Haskell/TH/Syntax.hs
@@ -582,8 +582,9 @@ mk_tup_name n_commas space
   = Name occ (NameG space (mkPkgName "ghc-prim") tup_mod)
   where
     occ = mkOccName ('(' : replicate n_commas ',' ++ ")")
-    -- XXX Should it be GHC.Unit for 0 commas?
-    tup_mod = mkModName "GHC.Tuple"
+    tup_mod | n_commas ==0 = mkModName "GHC.Unit"
+            | otherwise    = mkModName "GHC.Tuple"
+    -- Oddly () is in a different module than the other tuples
 
 -- Unboxed tuple data and type constructors
 unboxedTupleDataName :: Int -> Name    -- ^ Data constructor