Variant_and_record_intf.M
module X : sig ... end
module Tag_internal : sig ... end
module Tag : sig ... end
Witness of a tag, that is an item in a variant type, also called an "applied variant Constructor"
module Variant_internal : sig ... end
module Variant : sig ... end
module Field_internal : sig ... end
module Field : sig ... end
Witness of a field, that is an item in a record type. The first parameter is the record type, the second is the type of the field. Example:
module Record_internal : sig ... end
module Record : sig ... end