X-Git-Url: http://git.hcoop.net/hcoop/portal.git/blobdiff_plain/9953bee7978169008d661880ebe93ffa14028401..daaa0de7fc21561fd324cbc93fc99d69646b537f:/util.sig

diff --git a/util.sig b/util.sig
index 1f46916..f8c38d4 100644
--- a/util.sig
+++ b/util.sig
@@ -15,8 +15,12 @@ sig
     val makeSet : ('a -> string) -> 'a list -> string
     val neg : real -> real
     val add : real * real -> real
+    val sub : real * real -> real
     val mult : int * real -> real
 
+    val lt : real * real -> bool
+    val ge : real * real -> bool
+
     val validHost : string -> bool
     val validDomain : string -> bool
     val validEmail : string -> bool
@@ -32,4 +36,6 @@ sig
 
     val allLower : string -> string
     val normEmail : string -> string
+
+    val diffFromNow : Time.time -> string
 end