Functor Datatype.Polymorphic.Make

module Make: 
functor (T : Datatype.S-> Datatype.S with type t = T.t poly

Create a datatype for a monomorphic instance of the polymorphic type.

Parameters:
T : Datatype.S

include Datatype.S_no_copy
val copy : Datatype.t -> Datatype.t

Deep copy: no possible sharing between x and copy x.