summaryrefslogtreecommitdiff
path: root/compiler/typecheck/TcUnify.lhs-boot
diff options
context:
space:
mode:
Diffstat (limited to 'compiler/typecheck/TcUnify.lhs-boot')
-rw-r--r--compiler/typecheck/TcUnify.lhs-boot11
1 files changed, 11 insertions, 0 deletions
diff --git a/compiler/typecheck/TcUnify.lhs-boot b/compiler/typecheck/TcUnify.lhs-boot
new file mode 100644
index 0000000000..8a1847e671
--- /dev/null
+++ b/compiler/typecheck/TcUnify.lhs-boot
@@ -0,0 +1,11 @@
+\begin{code}
+module TcUnify where
+import TcType ( TcTauType, BoxyType )
+import TcRnTypes( TcM )
+
+-- This boot file exists only to tie the knot between
+-- TcUnify and TcSimplify
+
+unifyType :: TcTauType -> TcTauType -> TcM ()
+zapToMonotype :: BoxyType -> TcM TcTauType
+\end{code}