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(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2010 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
open Names
open Decl_kinds
open Term
open Sign
open Evd
open Environ
open Nametab
open Mod_subst
open Topconstr
open Util
open Libnames
type contexts = Parameters | Properties
type typeclass_error =
| NotAClass of constr
| UnboundMethod of global_reference * identifier located (** Class name, method *)
| NoInstance of identifier located * constr list
| UnsatisfiableConstraints of evar_map * (existential_key * hole_kind) option
| MismatchedContextInstance of contexts * constr_expr list * rel_context (** found, expected *)
exception TypeClassError of env * typeclass_error
val not_a_class : env -> constr -> 'a
val unbound_method : env -> global_reference -> identifier located -> 'a
val no_instance : env -> identifier located -> constr list -> 'a
val unsatisfiable_constraints : env -> evar_map -> evar option -> 'a
val mismatched_ctx_inst : env -> contexts -> constr_expr list -> rel_context -> 'a
val unsatisfiable_exception : exn -> bool
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