diff options
Diffstat (limited to 'pretyping/coercion.mli')
| -rw-r--r-- | pretyping/coercion.mli | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/pretyping/coercion.mli b/pretyping/coercion.mli index 4c4725b3..f06f58f4 100644 --- a/pretyping/coercion.mli +++ b/pretyping/coercion.mli @@ -1,6 +1,6 @@ (************************************************************************) (* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2012 *) +(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2014 *) (* \VV/ **************************************************************) (* // * This file is distributed under the terms of the *) (* * GNU Lesser General Public License Version 2.1 *) @@ -18,11 +18,13 @@ open Glob_term module type S = sig (** {6 Coercions. } *) - (** [inh_app_fun env isevars j] coerces [j] to a function; i.e. it + (** [inh_app_fun resolve_tc 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 *) + type a product; it returns [j] if no coercion is applicable. + resolve_tc=false disables resolving type classes (as the last + resort before failing) *) val inh_app_fun : - env -> evar_map -> unsafe_judgment -> evar_map * unsafe_judgment + bool -> env -> evar_map -> unsafe_judgment -> evar_map * 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 @@ -40,13 +42,15 @@ module type S = sig val inh_coerce_to_prod : loc -> env -> evar_map -> type_constraint_type -> evar_map * type_constraint_type - (** [inh_conv_coerce_to loc env isevars j t] coerces [j] to an object of type + (** [inh_conv_coerce_to resolve_tc 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 -> + [j.uj_type] are convertible; it fails if no coercion is applicable. + resolve_tc=false disables resolving type classes (as the last + resort before failing) *) + val inh_conv_coerce_to : bool -> loc -> env -> evar_map -> unsafe_judgment -> type_constraint_type -> evar_map * unsafe_judgment - val inh_conv_coerce_rigid_to : loc -> + val inh_conv_coerce_rigid_to : bool -> loc -> env -> evar_map -> unsafe_judgment -> type_constraint_type -> evar_map * unsafe_judgment (** [inh_conv_coerces_to loc env isevars t t'] checks if an object of type [t] |