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-rw-r--r--lib/system.mli3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/system.mli b/lib/system.mli
index f13fd30923..6dd1eb5a84 100644
--- a/lib/system.mli
+++ b/lib/system.mli
@@ -102,9 +102,10 @@ type time
val get_time : unit -> time
val time_difference : time -> time -> float (** in seconds *)
+
val fmt_time_difference : time -> time -> Pp.t
-val with_time : batch:bool -> ('a -> 'b) -> 'a -> 'b
+val with_time : batch:bool -> header:Pp.t -> ('a -> 'b) -> 'a -> 'b
(** [get_toplevel_path program] builds a complete path to the
executable denoted by [program]. This involves: