1 (* Copyright (C) 2000, HELM Team.
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4 * Library of Mathematics, developed at the Computer Science
5 * Department, University of Bologna, Italy.
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15 * GNU General Public License for more details.
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28 (* This module implements the Query interface to the Coercion Graph *)
30 type coercion_search_result =
31 | SomeCoercion of Cic.term list
34 | NotHandled of string Lazy.t
36 val look_for_coercion :
37 Cic.term -> Cic.term -> coercion_search_result
39 val look_for_coercion' :
40 CoercDb.coerc_carr -> CoercDb.coerc_carr -> coercion_search_result
42 val is_a_coercion: Cic.term -> bool
43 val is_a_coercion_to_funclass: Cic.term -> int option
45 (* checks if term is a constant or
46 * a constant applyed that is marked with (`Class `Coercion) *)
47 val is_composite: Cic.term -> bool
49 val source_of: Cic.term -> Cic.term
51 val generate_dot_file: unit -> string
54 CoercDb.coerc_carr -> CoercDb.coerc_carr ->
55 CoercDb.coerc_carr list