1 files changed, 4 insertions, 3 deletions
diff --git a/hashtable.sig b/hashtable.sig
index b714fd6..b96bfb3 100644
--- a/hashtable.sig
+++ b/hashtable.sig
@@ -1,10 +1,11 @@
 signature HASHTABLE = sig
   type 'a t
 
-  exception HashtableFull
-  exception Exists
+  exception Full and Exists
 
-  val create: int -> 'a t
+  val createLog: int -> 'a t
   val insert: 'a t -> string -> 'a -> unit
   val lookup: 'a t -> string -> 'a option
+  val lookup2: 'a t -> string ->
+        ('a -> 'a option * 'b) -> (unit -> 'b) -> 'b
 end