X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_kernel%2FnReference.mli;h=d7f87e57c1712e63cba89dd1ea29d49d00893c14;hb=20427121e8114fa60b64bd1669a0fc734bf39205;hp=1de23ad8b9b6bd647cca4f07c589471d9412559b;hpb=8e65e5eb59904848a24506ffe55323fdcc8bf975;p=helm.git

diff --git a/helm/software/components/ng_kernel/nReference.mli b/helm/software/components/ng_kernel/nReference.mli
index 1de23ad8b..d7f87e57c 100644
--- a/helm/software/components/ng_kernel/nReference.mli
+++ b/helm/software/components/ng_kernel/nReference.mli
@@ -23,7 +23,10 @@ type spec =
 
 type reference = private Ref of NUri.uri * spec
 
+val reference_of_spec: NUri.uri -> spec -> reference
+
 val eq: reference -> reference -> bool
+val compare: reference -> reference -> int
 val string_of_reference: reference -> string 
 val reference_of_string: string -> reference