[project @ 2004-11-10 04:17:50 by wolfgang]

[ghc-hetmet.git] / ghc / compiler / basicTypes / Var.lhs

diff --git a/ghc/compiler/basicTypes/Var.lhs b/ghc/compiler/basicTypes/Var.lhs
index 350986e..d02b9ec 100644 (file)
--- a/ghc/compiler/basicTypes/Var.lhs
+++ b/ghc/compiler/basicTypes/Var.lhs
@@ -13,7 +13,7 @@ module Var (
        TyVar, mkTyVar, mkTcTyVar,
        tyVarName, tyVarKind,
        setTyVarName, setTyVarUnique,
-       tcTyVarRef, tcTyVarDetails,
+       tcTyVarDetails,
 
        -- Ids
        Id, DictId,
@@ -34,9 +34,8 @@ module Var (
 #include "HsVersions.h"
 
 import {-# SOURCE #-}  TypeRep( Type )
-import {-# SOURCE #-}  TcType( TyVarDetails )
-import {-# SOURCE #-}  IdInfo( GlobalIdDetails, notGlobalId,
-                               IdInfo, seqIdInfo )
+import {-# SOURCE #-}  TcType( TcTyVarDetails )
+import {-# SOURCE #-}  IdInfo( GlobalIdDetails, notGlobalId, IdInfo, seqIdInfo )
 
 import Name            ( Name, OccName, NamedThing(..),
                          setNameUnique, setNameOcc, nameUnique
@@ -45,7 +44,6 @@ import Kind           ( Kind )
 import Unique          ( Unique, Uniquable(..), mkUniqueGrimily, getKey# )
 import FastTypes
 import Outputable
-import DATA_IOREF
 \end{code}
 
 
@@ -71,11 +69,10 @@ data Var
        tyVarKind :: Kind }
 
   | TcTyVar {                          -- Used only during type inference
-       varName        :: !Name,        -- Could we get away without a Name?
+       varName        :: !Name,
        realUnique     :: FastInt,
        tyVarKind      :: Kind,
-       tcTyVarRef     :: IORef (Maybe Type),
-       tcTyVarDetails :: TyVarDetails }
+       tcTyVarDetails :: TcTyVarDetails }
 
   | GlobalId {                         -- Used for imported Ids, dict selectors etc
        varName    :: !Name,
@@ -180,12 +177,11 @@ mkTyVar name kind = TyVar { varName    = name
                          , tyVarKind  = kind
                        }
 
-mkTcTyVar :: Name -> Kind -> TyVarDetails -> IORef (Maybe Type) -> TyVar
-mkTcTyVar name kind details ref
+mkTcTyVar :: Name -> Kind -> TcTyVarDetails -> TyVar
+mkTcTyVar name kind details
   = TcTyVar {  varName    = name,
                realUnique = getKey# (nameUnique name),
                tyVarKind  = kind,
-               tcTyVarRef = ref,
                tcTyVarDetails = details
        }
 \end{code}