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(* Database provides key-generation and table-instantiation, | |
* so that a key can be associated to various properties. | |
*) | |
(* This is for a fully-controlled specification... | |
* | |
* module Db = Database.Make (Database.IntKey) | |
* module Prop = Db.MultiInherit | |
* module PropHash = Prop.Table(Database.Hash) | |
* module Size = (val PropHash.create ~default:0 () : Db.Sig with type t = int) |