Rel_kit.Id
Types for table identifier.
TODO. It's not exactly what we want yet.
module type Base = sig ... end
Base signature
module Make (Base : Base) () : ID with type t = Base.t
Make (Base) () are identifiers from the base type Base.
Make (Base) ()
Base
module MakeInt () : INTABLE_ID
Rel.Type.int identifiers (XXX this should be abstract)
Rel.Type.int