Module TypeCore.IVarMap

module IVarMap: Fix.IMPERATIVE_MAPS  with type key = var
This is an imperative version of VarMap, in the form expected by Fix.

type key 
type 'data t 
val create : unit -> 'data t
val clear : 'data t -> unit
val add : key -> 'data -> 'data t -> unit
val find : key -> 'data t -> 'data
val iter : (key -> 'data -> unit) ->
'data t -> unit