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-rw-r--r--pretyping/reductionops.mli8
1 files changed, 4 insertions, 4 deletions
diff --git a/pretyping/reductionops.mli b/pretyping/reductionops.mli
index ad280d9f3..9256fa7ce 100644
--- a/pretyping/reductionops.mli
+++ b/pretyping/reductionops.mli
@@ -277,13 +277,13 @@ val check_conv : ?pb:conv_pb -> ?ts:transparent_state -> env -> evar_map -> con
otherwise returns false in that case.
*)
val infer_conv : ?catch_incon:bool -> ?pb:conv_pb -> ?ts:transparent_state ->
- env -> evar_map -> constr -> constr -> evar_map * bool
+ env -> evar_map -> constr -> constr -> evar_map option
(** Conversion with inference of universe constraints *)
val set_vm_infer_conv : (?pb:conv_pb -> env -> evar_map -> constr -> constr ->
- evar_map * bool) -> unit
+ evar_map option) -> unit
val vm_infer_conv : ?pb:conv_pb -> env -> evar_map -> constr -> constr ->
- evar_map * bool
+ evar_map option
(** [infer_conv_gen] behaves like [infer_conv] but is parametrized by a
@@ -291,7 +291,7 @@ conversion function. Used to pretype vm and native casts. *)
val infer_conv_gen : (conv_pb -> l2r:bool -> evar_map -> transparent_state ->
(Constr.constr, evar_map) Reduction.generic_conversion_function) ->
?catch_incon:bool -> ?pb:conv_pb -> ?ts:transparent_state -> env ->
- evar_map -> constr -> constr -> evar_map * bool
+ evar_map -> constr -> constr -> evar_map option
(** {6 Special-Purpose Reduction Functions } *)