X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Flambda-delta%2Fcommon%2Fhierarchy.mli;h=04feaf92981b1ab4ee3beae9a76e7b49d1cc6c3c;hb=a3b9fc77770f42070632bcb575546678025e09b2;hp=a0bd1862ecff883a4bc469254955f77ad9f681b0;hpb=689118326fbe47231865b26c66ae89144459be6a;p=helm.git

diff --git a/helm/software/lambda-delta/common/hierarchy.mli b/helm/software/lambda-delta/common/hierarchy.mli
index a0bd1862e..04feaf929 100644
--- a/helm/software/lambda-delta/common/hierarchy.mli
+++ b/helm/software/lambda-delta/common/hierarchy.mli
@@ -20,3 +20,5 @@ val set_graph: string -> bool
 val string_of_graph: unit -> string
 
 val apply: int -> int
+
+val clear: unit -> unit