diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/util.ml | 8 | ||||
| -rw-r--r-- | lib/util.mli | 5 |
2 files changed, 13 insertions, 0 deletions
diff --git a/lib/util.ml b/lib/util.ml index 6983410978..fb50d1e4e5 100644 --- a/lib/util.ml +++ b/lib/util.ml @@ -259,6 +259,14 @@ type ('a,'b) union = Inl of 'a | Inr of 'b module Intset = Set.Make(struct type t = int let compare = compare end) +type time_stamp = float + +let get_time_stamp () = Unix.time() + +let compare_time_stamps t1 t2 = + let dt = t2 -. t1 in + if dt < 0.0 then -1 else if dt = 0.0 then 0 else 1 + (* Pretty-printing *) let pr_spc () = [< 'sPC >];; diff --git a/lib/util.mli b/lib/util.mli index 2d764d4999..98296264f9 100644 --- a/lib/util.mli +++ b/lib/util.mli @@ -72,6 +72,11 @@ type ('a,'b) union = Inl of 'a | Inr of 'b module Intset : Set.S with type elt = int +type time_stamp + +val get_time_stamp : unit -> time_stamp +val compare_time_stamps : time_stamp -> time_stamp -> int + (*s Pretty-printing. *) val pr_spc : unit -> std_ppcmds |