--- /dev/null
+(*
+ ||M|| This file is part of HELM, an Hypertextual, Electronic
+ ||A|| Library of Mathematics, developed at the Computer Science
+ ||T|| Department, University of Bologna, Italy.
+ ||I||
+ ||T|| HELM is free software; you can redistribute it and/or
+ ||A|| modify it under the terms of the GNU General Public License
+ \ / version 2 or (at your option) any later version.
+ \ / This software is distributed as is, NO WARRANTY.
+ V_______________________________________________________________ *)
+
+module E = BrgEnvironment
+module R = BrgReduction
+module T = BrgType
+
+(* Interface functions ******************************************************)
+
+let type_check f g = function
+ | None -> f None
+ | Some ((_, _, _, t) as obj) ->
+ let f tt obj = f (Some (tt, obj)) in
+ let f tt = E.set_obj (f tt) obj in
+ T.type_of f g R.empty_context t