better error reporting in Extraction.v

[coq-hetmet.git] / src / HaskWeakToCore.v

diff --git a/src/HaskWeakToCore.v b/src/HaskWeakToCore.v
index 7d0fac4..88c6830 100644 (file)
--- a/src/HaskWeakToCore.v
+++ b/src/HaskWeakToCore.v
@@ -20,7 +20,7 @@ Variable mkCoreLet : @CoreBind CoreVar -> @CoreExpr CoreVar -> @CoreExpr CoreVar
   Extract Inlined Constant mkCoreLet => "MkCore.mkCoreLet".
 
 Variable sortAlts  : forall {a}{b}, list (@triple AltCon a b) -> list (@triple AltCon a b).
-  Extract Inlined Constant mkCoreLet => "sortAlts".
+  Extract Inlined Constant sortAlts => "sortAlts".
   Implicit Arguments sortAlts [[a][b]].
 
 Variable trustMeCoercion           : CoreCoercion.
@@ -88,5 +88,7 @@ Definition weakCoercionToCoreCoercion : WeakCoercion -> CoreCoercion :=
   end.
 
 
+Instance weakExprToString : ToString WeakExpr  :=
+  { toString := fun we => toString (weakExprToCoreExpr we) }.