--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/mono_fooify.sig	Mon Sep 21 16:07:35 2015 -0400
@@ -0,0 +1,38 @@
+signature MONO_FOOIFY = sig
+
+(* TODO: don't expose raw references if possible. *)
+val nextPvar : int ref
+val pvarDefs : ((string * int * (string * int * Mono.typ option) list) list) ref
+
+datatype foo_kind = Attr | Url
+
+structure Fm : sig
+    type t
+
+    type vr = string * int * Mono.typ * Mono.exp * string
+
+    val empty : int -> t
+
+    val lookup : t -> foo_kind -> int -> (int -> t -> vr * t) -> t * int
+    val lookupList : t -> foo_kind -> Mono.typ -> (int -> t -> vr * t) -> t * int
+    val enter : t -> t
+    val decls : t -> Mono.decl list
+
+    val freshName : t -> int * t
+
+    (* Set at the end of [Monoize]. *)
+    val canonical : t ref
+end
+
+(* General form used in [Monoize]. *)
+val fooifyExp : foo_kind
+                -> (int -> Mono.typ * string)
+                -> (int -> string * (string * int * Mono.typ option) list)
+                -> Fm.t
+                -> Mono.exp * Mono.typ
+                -> Mono.exp * Fm.t
+
+(* Easy-to-use special case used in [Sqlcache]. *)
+val urlify : MonoEnv.env -> Mono.exp * Mono.typ -> Mono.exp
+
+end