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-rw-r--r--src/tac2ffi.mli4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/tac2ffi.mli b/src/tac2ffi.mli
index 33b1010213..cf1d7e81a1 100644
--- a/src/tac2ffi.mli
+++ b/src/tac2ffi.mli
@@ -83,3 +83,7 @@ val val_projection : Projection.t Val.tag
val val_univ : Univ.universe_level Val.tag
val val_kont : (Exninfo.iexn -> valexpr Proofview.tactic) Val.tag
val val_free : Id.Set.t Val.tag
+
+val val_exn : Exninfo.iexn Tac2dyn.Val.tag
+(** Toplevel representation of OCaml exceptions. Invariant: no [LtacError]
+ should be put into a value with tag [val_exn]. *)