X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Ftypecheck%2FTcUnify.lhs-boot;h=e7ad4181fc31f0ebc190a752e827a52be26c337b;hp=b39573e0766660feee35422fb32f22088e27712e;hb=HEAD;hpb=ad192ab08564152e226535c179778a896598eac2

diff --git a/compiler/typecheck/TcUnify.lhs-boot b/compiler/typecheck/TcUnify.lhs-boot
index b39573e..e7ad418 100644
--- a/compiler/typecheck/TcUnify.lhs-boot
+++ b/compiler/typecheck/TcUnify.lhs-boot
@@ -1,11 +1,11 @@
 \begin{code}
 module TcUnify where
-import TcType	( TcTauType, BoxySigmaType )
+import TcType	( TcTauType )
 import TcRnTypes( TcM )
+import Coercion (Coercion)
 
 -- This boot file exists only to tie the knot between
 --		TcUnify and TcSimplify
 
-unifyType :: TcTauType -> TcTauType -> TcM ()
-zapToMonotype :: BoxySigmaType -> TcM TcTauType
+unifyType :: TcTauType -> TcTauType -> TcM Coercion
 \end{code}