X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fprelude%2FTysWiredIn.lhs;h=87c216599be2853c20b67fad8ac5ca7b0dfc7c7e;hb=dfcbc18e016540cb136ec3298a07a4a55b488db0;hp=436b121adcf2862129cd4d86814f92d3710462d4;hpb=b00b5bc04ff36a551552470060064f0b7d84ca30;p=ghc-hetmet.git diff --git a/compiler/prelude/TysWiredIn.lhs b/compiler/prelude/TysWiredIn.lhs index 436b121..87c2165 100644 --- a/compiler/prelude/TysWiredIn.lhs +++ b/compiler/prelude/TysWiredIn.lhs @@ -40,7 +40,6 @@ module TysWiredIn ( unboxedPairTyCon, unboxedPairDataCon, unitTy, - voidTy, -- parallel arrays mkPArrTy, @@ -308,22 +307,6 @@ unboxedPairDataCon = tupleCon Unboxed 2 %************************************************************************ \begin{code} --- The Void type is represented as a data type with no constructors --- It's a built in type (i.e. there's no way to define it in Haskell; --- the nearest would be --- --- data Void = -- No constructors! --- --- ) It's lifted; there is only one value of this --- type, namely "void", whose semantics is just bottom. --- --- Haskell 98 drops the definition of a Void type, so we just 'simulate' --- voidTy using (). -voidTy = unitTy -\end{code} - - -\begin{code} charTy = mkTyConTy charTyCon charTyCon = pcNonRecDataTyCon charTyConName [] [charDataCon] @@ -495,7 +478,7 @@ done by enumeration\srcloc{lib/prelude/InTup?.hs}. mkTupleTy :: Boxity -> Int -> [Type] -> Type mkTupleTy boxity arity tys = mkTyConApp (tupleTyCon boxity arity) tys -unitTy = mkTupleTy Boxed 0 [] +unitTy = mkTupleTy Boxed 0 [] \end{code} %************************************************************************