You can search for identifiers within the package.
in-package search v0.2.0
type t = Uwt_base.Iovec_write.t =
| Bigarray of buf * int * int
| String of string * int * int
| Bytes of bytes * int * int
val drop : t list -> int -> t list
type ts =
| Invalid
| Empty
| All_ba of t array * t list
val prep_for_cstub : t list -> ts
val length : t -> int