Most warnings turned into errors and avoided

[helm.git] / matita / components / ng_refiner / nCicMetaSubst.ml

diff --git a/matita/components/ng_refiner/nCicMetaSubst.ml b/matita/components/ng_refiner/nCicMetaSubst.ml
index 0207c9231e058b15d5ab820d21b0bf1719ca2cca..beeeeeb6b288a6c22cc0d8bfe28efd67c31066ef 100644 (file)
--- a/matita/components/ng_refiner/nCicMetaSubst.ml
+++ b/matita/components/ng_refiner/nCicMetaSubst.ml
@@ -53,7 +53,7 @@ let newmeta,maxmeta,pushmaxmeta,popmaxmeta =
   (fun () -> incr maxmeta; !maxmeta),
   (fun () -> !maxmeta),
   (fun () -> pushedmetas := !maxmeta::!pushedmetas; maxmeta := 0),
-  (fun () -> match !pushedmetas with [] -> assert false | hd::tl -> pushedmetas := tl)
+  (fun () -> match !pushedmetas with [] -> assert false | _hd::tl -> pushedmetas := tl)
 ;;
 
 exception NotFound of [`NotInTheList | `NotWellTyped];;
@@ -525,8 +525,7 @@ let delift status ~unify metasenv subst context n l t =
          raise (NotFound `NotWellTyped)
       | TypeNotGood
       | NCicTypeChecker.AssertFailure _
-      | NCicReduction.AssertFailure _
-      | NCicTypeChecker.TypeCheckerFailure _ ->
+      | NCicReduction.AssertFailure _ ->
          raise (NotFound `NotWellTyped))
    with NotFound reason ->
       (* This is the case where we fail even first order unification. *)