2 ||M|| This file is part of HELM, an Hypertextual, Electronic
3 ||A|| Library of Mathematics, developed at the Computer Science
4 ||T|| Department, University of Bologna, Italy.
6 ||T|| HELM is free software; you can redistribute it and/or
7 ||A|| modify it under the terms of the GNU General Public License
8 \ / version 2 or (at your option) any later version.
9 \ / This software is distributed as is, NO WARRANTY.
10 V_______________________________________________________________ *)
12 module E = BrgEnvironment
13 module R = BrgReduction
16 (* Interface functions ******************************************************)
18 let type_check f g = function
20 | Some ((_, _, _, t) as obj) ->
21 let f tt obj = f (Some (tt, obj)) in
22 let f tt = E.set_obj (f tt) obj in
23 T.type_of f g R.empty_context t