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-rw-r--r--pretyping/typeclasses.mli17
1 files changed, 12 insertions, 5 deletions
diff --git a/pretyping/typeclasses.mli b/pretyping/typeclasses.mli
index ee28ec173b..b80c287117 100644
--- a/pretyping/typeclasses.mli
+++ b/pretyping/typeclasses.mli
@@ -1,9 +1,11 @@
(************************************************************************)
-(* v * The Coq Proof Assistant / The Coq Development Team *)
-(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2017 *)
+(* * The Coq Proof Assistant / The Coq Development Team *)
+(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *)
+(* <O___,, * (see CREDITS file for the list of authors) *)
(* \VV/ **************************************************************)
-(* // * This file is distributed under the terms of the *)
-(* * GNU Lesser General Public License Version 2.1 *)
+(* // * This file is distributed under the terms of the *)
+(* * GNU Lesser General Public License Version 2.1 *)
+(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
open Names
@@ -93,7 +95,12 @@ val no_goals : evar_filter
val no_goals_or_obligations : evar_filter
(** Resolvability.
- Only undefined evars can be marked or checked for resolvability. *)
+ Only undefined evars can be marked or checked for resolvability.
+ They represent type-class search roots.
+
+ A resolvable evar is an evar the type-class engine may try to solve
+ An unresolvable evar is an evar the type-class engine will NOT try to solve
+*)
val set_resolvable : Evd.Store.t -> bool -> Evd.Store.t
val is_resolvable : evar_info -> bool