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Diffstat (limited to 'pretyping/coercion.mli')
-rw-r--r-- | pretyping/coercion.mli | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/pretyping/coercion.mli b/pretyping/coercion.mli new file mode 100644 index 00000000..658844eb --- /dev/null +++ b/pretyping/coercion.mli @@ -0,0 +1,46 @@ +(************************************************************************) +(* v * The Coq Proof Assistant / The Coq Development Team *) +(* <O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud *) +(* \VV/ **************************************************************) +(* // * This file is distributed under the terms of the *) +(* * GNU Lesser General Public License Version 2.1 *) +(************************************************************************) + +(*i $Id: coercion.mli,v 1.20.14.2 2004/07/16 19:30:44 herbelin Exp $ i*) + +(*i*) +open Util +open Evd +open Names +open Term +open Sign +open Environ +open Evarutil +open Rawterm +(*i*) + +(*s Coercions. *) + +(* [inh_app_fun env isevars j] coerces [j] to a function; i.e. it + inserts a coercion into [j], if needed, in such a way it gets as + type a product; it returns [j] if no coercion is applicable *) +val inh_app_fun : + env -> evar_defs -> unsafe_judgment -> unsafe_judgment + +(* [inh_coerce_to_sort env isevars j] coerces [j] to a type; i.e. it + inserts a coercion into [j], if needed, in such a way it gets as + type a sort; it fails if no coercion is applicable *) +val inh_coerce_to_sort : + env -> evar_defs -> unsafe_judgment -> unsafe_type_judgment + +(* [inh_conv_coerce_to loc env isevars j t] coerces [j] to an object of type + [t]; i.e. it inserts a coercion into [j], if needed, in such a way [t] and + [j.uj_type] are convertible; it fails if no coercion is applicable *) +val inh_conv_coerce_to : loc -> + env -> evar_defs -> unsafe_judgment -> constr -> unsafe_judgment + +(* [inh_pattern_coerce_to loc env isevars pat ind1 ind2] coerces the Cases + pattern [pat] typed in [ind1] into a pattern typed in [ind2]; + raises [Not_found] if no coercion found *) +val inh_pattern_coerce_to : + loc -> cases_pattern -> inductive -> inductive -> cases_pattern |