Sys.Immediate64This module allows to define a type t with the immediate64 attribute. This attribute means that the type is immediate on 64 bit architectures. On other architectures, it might or might not be immediate.
module type Non_immediate = { ... };module type Immediate = { ... };module Make: 
   (Immediate: Immediate) =>
   (Non_immediate: Non_immediate) =>
  { ... };