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-rw-r--r--lib/flags.ml4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/flags.ml b/lib/flags.ml
index 0378e11fb4..76ab9fe64b 100644
--- a/lib/flags.ml
+++ b/lib/flags.ml
@@ -8,8 +8,6 @@
(*i $Id$ i*)
-open Util
-
let with_option o f x =
let old = !o in o:=true;
try let r = f x in o := old; r
@@ -78,6 +76,8 @@ let print_hyps_limit () = !print_hyps_limit
(* A list of the areas of the system where "unsafe" operation
* has been requested *)
+module Stringset = Set.Make(struct type t = string let compare = compare end)
+
let unsafe_set = ref Stringset.empty
let add_unsafe s = unsafe_set := Stringset.add s !unsafe_set
let is_unsafe s = Stringset.mem s !unsafe_set