X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Flambda-delta%2Fbasic_rg%2FbrgEnvironment.ml;h=5a4cf3cb6d0875cbda2ea881e68fb4c0160ba0d4;hb=89e21dbecca75a5320f50ecb53a39699f8ace8f1;hp=29c6dd4754b86fc75875fe8148ee2e3d0bd26d64;hpb=0dc347a7742e40a828fa98acba70078dd2d7cbd5;p=helm.git

diff --git a/helm/software/lambda-delta/basic_rg/brgEnvironment.ml b/helm/software/lambda-delta/basic_rg/brgEnvironment.ml
index 29c6dd475..5a4cf3cb6 100644
--- a/helm/software/lambda-delta/basic_rg/brgEnvironment.ml
+++ b/helm/software/lambda-delta/basic_rg/brgEnvironment.ml
@@ -11,20 +11,24 @@
 
 module U = NUri
 module H = U.UriHash
+module Y = Entity
 module B = Brg
 
 let hsize = 7000 
 let env = H.create hsize
-let entry = ref 1
 
 (* Internal functions *******************************************************)
 
+let get_age = 
+   let age = ref 0 in
+   fun () -> incr age; !age
+
 (* Interface functions ******************************************************)
 
-let set_obj f obj =
-   let _, uri, b = obj in
-   let obj = !entry, uri, b in
-   incr entry; H.add env uri obj; f obj
+let set_entity f (a, uri, b) =
+   let age = get_age () in
+   let entity = (Y.Apix age :: a), uri, b in
+   H.add env uri entity; f entity
 
-let get_obj err f uri =
+let get_entity err f uri =
    try f (H.find env uri) with Not_found -> err ()