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-rw-r--r--lib/util.ml2
-rw-r--r--lib/util.mli1
2 files changed, 3 insertions, 0 deletions
diff --git a/lib/util.ml b/lib/util.ml
index 8410367f96..567c8edb69 100644
--- a/lib/util.ml
+++ b/lib/util.ml
@@ -231,6 +231,8 @@ let list_except_assoc e =
in
except_e
+let list_join_map f l = List.flatten (List.map f l)
+
(* Arrays *)
diff --git a/lib/util.mli b/lib/util.mli
index e0de343dfb..e0743627d5 100644
--- a/lib/util.mli
+++ b/lib/util.mli
@@ -72,6 +72,7 @@ val list_map_append : ('a -> 'b list) -> 'a list -> 'b list
val list_map_append2 : ('a -> 'b -> 'c list) -> 'a list -> 'b list -> 'c list
val list_share_tails : 'a list -> 'a list -> 'a list * 'a list * 'a list
val list_except_assoc : 'a -> ('a * 'b) list -> ('a * 'b) list
+val list_join_map : ('a -> 'b list) -> 'a list -> 'b list
(*s Arrays. *)