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 (* $Id: nCicRefiner.mli 9227 2008-11-21 16:00:06Z tassi $ *)
19 method set_coerc_db: db -> 'self
20 method set_coercion_status: <coerc_db: db; ..> -> 'self
25 (* index (\x.c ?? x ??): A -> B
26 index_coercion db c A B \arity_left(c ??x??) \position(x,??x??)
30 NCic.term -> NCic.term -> NCic.term -> int -> int -> 'status
32 (* gets the old imperative coercion DB (list format) *)
33 val index_old_db: CoercDb.coerc_db -> (#status as 'status) -> 'status
35 val look_for_coercion:
37 NCic.metasenv -> NCic.substitution -> NCic.context ->
38 (* inferred type, expected type *)
39 NCic.term -> NCic.term ->
40 (* enriched metasenv, new term, its type, metavriable to
41 * be unified with the old term *)
42 (NCic.metasenv * NCic.term * NCic.term * NCic.term) list