Minor refactoring

[ghc-hetmet.git] / compiler / prelude / TysWiredIn.lhs

diff --git a/compiler/prelude/TysWiredIn.lhs b/compiler/prelude/TysWiredIn.lhs
index 16ebf58..3689479 100644 (file)
--- a/compiler/prelude/TysWiredIn.lhs
+++ b/compiler/prelude/TysWiredIn.lhs
@@ -38,7 +38,7 @@ module TysWiredIn (
        mkListTy,
 
        -- * Tuples
-       mkTupleTy,
+       mkTupleTy, mkBoxedTupleTy,
        tupleTyCon, tupleCon, 
        unitTyCon, unitDataCon, unitDataConId, pairTyCon, 
        unboxedSingletonTyCon, unboxedSingletonDataCon,
@@ -539,6 +539,10 @@ mkTupleTy :: Boxity -> [Type] -> Type
 mkTupleTy boxity [ty] | Boxed <- boxity = ty
 mkTupleTy boxity tys = mkTyConApp (tupleTyCon boxity (length tys)) tys
 
+-- | Build the type of a small tuple that holds the specified type of thing
+mkBoxedTupleTy :: [Type] -> Type
+mkBoxedTupleTy tys = mkTupleTy Boxed tys
+
 unitTy :: Type
 unitTy = mkTupleTy Boxed []
 \end{code}