X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Ftactics%2FproofEngineTypes.mli;h=d50707f7344f898068df21d29809a9f22729f6d7;hb=a423d321a98c6f31dab56505fe7acf0110df38e8;hp=f45d681c198b216cf65564f95368b81597d70c48;hpb=c334523c4ff9b584ac108097fa6430e29f935e8f;p=helm.git

diff --git a/helm/ocaml/tactics/proofEngineTypes.mli b/helm/ocaml/tactics/proofEngineTypes.mli
index f45d681c1..d50707f73 100644
--- a/helm/ocaml/tactics/proofEngineTypes.mli
+++ b/helm/ocaml/tactics/proofEngineTypes.mli
@@ -59,13 +59,16 @@ type lazy_reduction =
 val const_lazy_reduction: reduction -> lazy_reduction
 
  (** what, hypothesis patterns, conclusion pattern *)
-type pattern = lazy_term option * (string * Cic.term) list * Cic.term
+type ('term, 'lazy_term) pattern =
+  'lazy_term option * (string * 'term) list * 'term option
+
+type lazy_pattern = (Cic.term, lazy_term) pattern
 
  (** conclusion_pattern [t] returns the pattern (t,[],%) *)
-val conclusion_pattern : Cic.term option -> pattern
+val conclusion_pattern : Cic.term option -> lazy_pattern
 
   (** tactic failure *)
-exception Fail of string
+exception Fail of string Lazy.t
 
 val apply_tactic: tactic -> status ->  proof * goal list