Merged stand-alone deriving with FC stuff.

[ghc-hetmet.git] / compiler / typecheck / TcType.lhs

diff --git a/compiler/typecheck/TcType.lhs b/compiler/typecheck/TcType.lhs
index 3f1810f..cd4c4c7 100644 (file)
--- a/compiler/typecheck/TcType.lhs
+++ b/compiler/typecheck/TcType.lhs
@@ -673,6 +673,7 @@ tcSplitPhiTy ty = split ty ty []
        | Just p <- tcSplitPredTy_maybe arg = split res res (p:ts)
   split orig_ty ty             ts = (reverse ts, orig_ty)
 
+tcSplitSigmaTy :: Type -> ([TyVar], ThetaType, Type)
 tcSplitSigmaTy ty = case tcSplitForAllTys ty of
                        (tvs, rho) -> case tcSplitPhiTy rho of
                                        (theta, tau) -> (tvs, theta, tau)