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-rw-r--r--src/tac2core.ml10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/tac2core.ml b/src/tac2core.ml
index 4a4f9afd88..0fe4bc5fde 100644
--- a/src/tac2core.ml
+++ b/src/tac2core.ml
@@ -366,6 +366,15 @@ let prm_constr_kind : ml_tactic = function
end
| _ -> assert false
+let prm_constr_substnl : ml_tactic = function
+| [subst; k; c] ->
+ let subst = Value.to_list Value.to_constr subst in
+ let k = Value.to_int k in
+ let c = Value.to_constr c in
+ let ans = EConstr.Vars.substnl subst k c in
+ return (Value.of_constr ans)
+| _ -> assert false
+
(** Patterns *)
let prm_pattern_matches : ml_tactic = function
@@ -653,6 +662,7 @@ let () = Tac2env.define_primitive (pname "string_set") prm_string_set
let () = Tac2env.define_primitive (pname "constr_type") prm_constr_type
let () = Tac2env.define_primitive (pname "constr_equal") prm_constr_equal
let () = Tac2env.define_primitive (pname "constr_kind") prm_constr_kind
+let () = Tac2env.define_primitive (pname "constr_substnl") prm_constr_substnl
let () = Tac2env.define_primitive (pname "pattern_matches") prm_pattern_matches
let () = Tac2env.define_primitive (pname "pattern_matches_subterm") prm_pattern_matches_subterm