(** creates an opaque tactic from a status->proof*goal list function *)
let mk_tactic t = t
+ (** what, hypothesis patterns, conclusion pattern *)
+type pattern = Cic.term option * (string * Cic.term) list * Cic.term
+let conclusion_pattern t = t,[],Cic.Implicit (Some `Hole)
+
(** tactic failure *)
exception Fail of string