X-Git-Url: http://git.hcoop.net/hcoop/portal.git/blobdiff_plain/aaa50197ad95b7f5e3aca4293ec4f0201e0f30fc..950a4fad9c7e5e41cc65c5f12a4031ec23203854:/util.sig

diff --git a/util.sig b/util.sig
index 5a5697b..d6f9d5c 100644
--- a/util.sig
+++ b/util.sig
@@ -15,6 +15,7 @@ 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 validHost : string -> bool
@@ -29,4 +30,9 @@ sig
     val readFile : string -> string
 
     val mem : ''a * ''a list -> bool
+
+    val allLower : string -> string
+    val normEmail : string -> string
+
+    val diffFromNow : Time.time -> string
 end